STK: North American Conference Presentation
Original announcement by asx on
- Company
- Strickland Metals Limited
- Ticker
- STK
- Exchange
- ASX
- Region
- Serbia
- Primary commodity
- Gold
- Secondary commodities
- Copper, Silver, Lead, Zinc
- Document categories
- Resource update, Drill results
- Extracted
- 2026-09-23 00:26:34 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Strickland Metals Limited presented an update on its Rogozna Project in Serbia, showcasing a significant JORC 2012 Mineral Resource Estimate of 9.25 million ounces of gold equivalent (AuEq). The project, backed by strategic investor Zijin Mining, demonstrates substantial resource growth and is fully funded for Pre-Feasibility Studies and ongoing exploration. While the resource base is large, a considerable portion remains in the Inferred category, with the company focusing on infill drilling to upgrade confidence and further exploration.
Reasoning: The presentation highlights a substantial and growing JORC 2012 compliant gold-equivalent resource base of 9.25 Moz for the Rogozna Project, supported by a strategic investor and strong funding for PFS and exploration. New discoveries and open mineralization indicate significant upside potential. However, the high proportion of Inferred resources and some inconsistencies in reported contained metal values warrant caution.
Positive factors
- Large and growing resource base of 9.25 Moz AuEq
- Strategic investment from Zijin Mining validates asset quality
- Fully funded for Pre-Feasibility Studies and exploration programs
- High-grade gold system identified at Gradina
- New discoveries at Red Creek and Kotlovi demonstrate exploration upside
- JORC 2012 compliant resource estimates provide high reporting standard
Negative factors
- A significant portion of the total resource (8.00 Moz AuEq) is in the Inferred category, indicating lower geological confidence
- Discrepancy in reported contained zinc for Shanac Inferred resource (2.30 kt Zn for 130 Mt at 0.34% Zn) suggests a potential typo in the source table
- Different metal price and recovery assumptions used for AuEq calculations across various deposits may complicate direct comparisons
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 50
Classification and evidence
Tonnage Growthpositive
Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.
Why it applies: The Rogozna project has shown significant resource growth, reaching 9.25 Moz AuEq, as depicted in the "Rogozna Resource Growth" chart.
Evidence · text
“9.25Moz AuEq JORC Resources”
Contained Metal Growthpositive
True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.
Why it applies: The overall contained metal for the Rogozna project has increased to 9.25 Moz AuEq, indicating growth in the resource base.
Evidence · text
“9.25Moz AuEq JORC Resources”
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: The presentation includes a Competent Persons Statement, confirming the technical parameters and assumptions for the Mineral Resource Estimates and Exploration Results.
Evidence · text
“Competent Persons Statement”
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: All Mineral Resource Estimates are reported in accordance with JORC 2012 requirements.
Evidence · text
“JORC 2012 Mineral Resource Estimates”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The project total includes 8.00 Moz AuEq in the Inferred category, representing a significant portion of the overall resource.
Evidence · table
“8.00”
Context: Inferred
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: The company has a strong balance sheet to fund Pre-Feasibility Studies for the project.
Evidence · text
“Fully Funded Studies and Exploration: Strong balance sheet with ~A$58.6m in cash to fund Pre-Feasibility Studies”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document provides updated Mineral Resource Estimates for Shanac, Gradina, Medenovac, and Copper Canyon deposits.
Evidence · text
“Appendix 1: Rogozna Mineral Resource Estimates”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The drill results at Gradina, Shanac, Medenovac, Red Creek, and Kotlovi indicate that mineralization remains open along strike and at depth, and new discoveries are being made, suggesting step-out extensions.
Evidence · text
“Mineralisation open along strike and at depth”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The Competent Persons Statement covers exploration results, implying that QA/QC procedures are in place and disclosed.
Evidence · text
“Competent Persons Statement”
Extracted facts
Stored fact records: 50. Some facts used in scoring do not have a stored record.
Drill Results (9)
ZRSD25233Rogozna · goldGrade: 4Grade Unit: g/tIntercept: 4 mView all detailsHide details
Identity
- Hole ID
- ZRSD25233
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- serbia
- Ticker
- STK
Geometry
- Grade
- 4
- Grade Unit
- g/t
- Intercept
- 4 m
- From
- 44 m
- To
- 48 m
- Intercept Depth
- 44 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZRSD25233:44-48
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 4
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This intercept represents a high-grade discovery in the Red Creek zone, indicating significant exploration potential and adding to the project's overall value.
Positive factors
- High AuEq grade of 4.0 g/t
- Discovery hole in a new zone
- Assumptions for metal equivalent calculation are disclosed
Evidence · text
“4.0m @ 4.0g/t AuEq from 44.0m”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "For personal use only 12 Red Creek – High Grade Gold + Base Metals Discovery Significant potential with limited drilling"
ZRSD25233Rogozna · goldGrade: 2.3Grade Unit: g/tIntercept: 53 mView all detailsHide details
Identity
- Hole ID
- ZRSD25233
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- serbia
- Ticker
- STK
Geometry
- Grade
- 2.3
- Grade Unit
- g/t
- Intercept
- 53 m
- From
- 514.4 m
- To
- 567.4 m
- Intercept Depth
- 514.4 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZRSD25233:514.4-567.4
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 2.3
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This long and good-grade intercept from a discovery hole at Red Creek indicates significant mineralization at depth, enhancing the project's exploration upside.
Positive factors
- Significant intercept length of 53.0m
- Good AuEq grade of 2.3 g/t
- Discovery hole in a new zone
- Assumptions for metal equivalent calculation are disclosed
Evidence · text
“53.0m @ 2.3g/t AuEq from 514.4m”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "For personal use only 12 Red Creek – High Grade Gold + Base Metals Discovery Significant potential with limited drilling"
ZRSD25233Rogozna · goldGrade: 3.1Grade Unit: g/tIntercept: 35 mView all detailsHide details
Identity
- Hole ID
- ZRSD25233
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- serbia
- Ticker
- STK
Geometry
- Grade
- 3.1
- Grade Unit
- g/t
- Intercept
- 35 m
- From
- 518.4 m
- To
- 553.4 m
- Intercept Depth
- 518.4 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZRSD25233:518.4-553.4
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 3.1
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This high-grade sub-interval within a broader discovery intercept at Red Creek further confirms significant mineralization and enhances the exploration potential.
Positive factors
- High AuEq grade of 3.1 g/t within a broader intercept
- Significant sub-interval length of 35.0m
- Discovery hole in a new zone
- Assumptions for metal equivalent calculation are disclosed
Evidence · text
“35.0m @ 3.1g/t AuEq from 518.4m”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "For personal use only 12 Red Creek – High Grade Gold + Base Metals Discovery Significant potential with limited drilling"
ZRSD21136Rogozna · goldGrade: 5.1Grade Unit: g/tIntercept: 97.7 mView all detailsHide details
Identity
- Hole ID
- ZRSD21136
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- serbia
- Ticker
- STK
Geometry
- Grade
- 5.1
- Grade Unit
- g/t
- Intercept
- 97.7 m
- From
- 321 m
- To
- 418.7 m
- Intercept Depth
- 321 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZRSD21136:321-418.7
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 5.1
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This exceptional and very long intercept at Medenovac confirms a high-grade core, significantly contributing to the deposit's potential, though it's a previously reported result.
Positive factors
- Exceptional AuEq grade of 5.1 g/t
- Very long intercept length of 97.7m
- Structurally-controlled high-grade core
- Assumptions for metal equivalent calculation are disclosed
Evidence · text
“97.7m @ 5.1g/t AuEq from 321.0m (ZRSD21136)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "For personal use only 12 Red Creek – High Grade Gold + Base Metals Discovery Significant potential with limited drilling"
ZRSD24157Rogozna · goldGrade: 5.6Grade Unit: g/tIntercept: 50 mView all detailsHide details
Identity
- Hole ID
- ZRSD24157
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- serbia
- Ticker
- STK
Geometry
- Grade
- 5.6
- Grade Unit
- g/t
- Intercept
- 50 m
- From
- 271.5 m
- To
- 321.5 m
- Intercept Depth
- 271.5 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZRSD24157:271.5-321.5
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 5.6
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This exceptional and long intercept at Medenovac further confirms a high-grade core, significantly contributing to the deposit's potential, though it's a previously reported result.
Positive factors
- Exceptional AuEq grade of 5.6 g/t
- Long intercept length of 50.0m
- Structurally-controlled high-grade core
- Assumptions for metal equivalent calculation are disclosed
Evidence · text
“50.0m @ 5.6g/t AuEq from 271.5m (ZRSD24157)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "For personal use only 12 Red Creek – High Grade Gold + Base Metals Discovery Significant potential with limited drilling"
ZRSD24159Rogozna · goldGrade: 4.6Grade Unit: g/tIntercept: 43.4 mView all detailsHide details
Identity
- Hole ID
- ZRSD24159
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- serbia
- Ticker
- STK
Geometry
- Grade
- 4.6
- Grade Unit
- g/t
- Intercept
- 43.4 m
- From
- 357.2 m
- To
- 400.6 m
- Intercept Depth
- 357.2 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZRSD24159:357.2-400.6
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 4.6
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This high-grade and long intercept at Medenovac reinforces the presence of a high-grade core, contributing to the deposit's potential, though it's a previously reported result.
Positive factors
- High AuEq grade of 4.6 g/t
- Long intercept length of 43.4m
- Structurally-controlled high-grade core
- Assumptions for metal equivalent calculation are disclosed
Evidence · text
“43.4m @ 4.6g/t AuEq from 357.2m (ZRSD24159)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "For personal use only 12 Red Creek – High Grade Gold + Base Metals Discovery Significant potential with limited drilling"
ZRSD25189Rogozna · goldGrade: 1.3Grade Unit: g/tIntercept: 277.3 mView all detailsHide details
Identity
- Hole ID
- ZRSD25189
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- serbia
- Ticker
- STK
Geometry
- Grade
- 1.3
- Grade Unit
- g/t
- Intercept
- 277.3 m
- From
- 337.4 m
- To
- 614.7 m
- Intercept Depth
- 337.4 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZRSD25189:337.4-614.7
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 1.3
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This exceptionally long and good-grade intercept from the new Kotlovi discovery indicates a significant and extensive mineralized zone, greatly enhancing the project's exploration upside.
Positive factors
- Exceptional intercept length of 277.3m
- Good AuEq grade of 1.3 g/t
- New Kotlovi discovery with growing mineralization footprint
- Assumptions for metal equivalent calculation are disclosed
Evidence · text
“277.3m @ 1.3g/t AuEq from 337.4m (ZRSD25189)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "For personal use only 12 Red Creek – High Grade Gold + Base Metals Discovery Significant potential with limited drilling"
ZRSD25189Rogozna · goldGrade: 2.9Grade Unit: g/tIntercept: 33.5 mView all detailsHide details
Identity
- Hole ID
- ZRSD25189
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- serbia
- Ticker
- STK
Geometry
- Grade
- 2.9
- Grade Unit
- g/t
- Intercept
- 33.5 m
- From
- 339.4 m
- To
- 372.9 m
- Intercept Depth
- 339.4 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZRSD25189:339.4-372.9
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This high-grade sub-interval within a broader discovery intercept at Kotlovi further confirms significant gold mineralization and enhances the exploration potential.
Positive factors
- High gold grade of 2.9 g/t within a broader intercept
- Significant sub-interval length of 33.5m
- New Kotlovi discovery with growing mineralization footprint
- Assumptions for metal equivalent calculation are disclosed
Evidence · text
“33.5m @ 2.9g/t Au from 339.4m”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "For personal use only 12 Red Creek – High Grade Gold + Base Metals Discovery Significant potential with limited drilling"
ZRSD25206Rogozna · goldGrade: 2.2Grade Unit: g/tIntercept: 34.9 mView all detailsHide details
Identity
- Hole ID
- ZRSD25206
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- serbia
- Ticker
- STK
Geometry
- Grade
- 2.2
- Grade Unit
- g/t
- Intercept
- 34.9 m
- From
- 324.2 m
- To
- 359.1 m
- Intercept Depth
- 324.2 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZRSD25206:324.2-359.1
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: This good-grade and significant intercept from the new Kotlovi discovery further expands the known mineralization footprint, adding to the project's exploration upside.
Positive factors
- Good gold grade of 2.2 g/t
- Significant intercept length of 34.9m
- New Kotlovi discovery with growing mineralization footprint
- Assumptions for metal equivalent calculation are disclosed
Evidence · text
“34.9m @ 2.2g/t Au from 324.2m (ZRSD25206)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "For personal use only 12 Red Creek – High Grade Gold + Base Metals Discovery Significant potential with limited drilling"
Resource Estimates (41)
indicatedRogozna · goldTonnes: 30000000Grade: 0.83Grade Unit: g/tContained Metal: 0.8Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:146d7f8edbdbfa59dc58
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Grade
- 0.83
- Grade Unit
- g/t
- Contained Metal
- 0.8
- Contained Unit
- moz
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Shanac deposit's Indicated resource shows a solid gold grade and contained metal, contributing significantly to the project's overall value with reasonable confidence.
Positive factors
- Indicated category provides reasonable geological confidence
- Good gold grade for a large tonnage deposit
- JORC 2012 compliant with QP sign-off
Evidence · table
“0.83”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · copperTonnes: 30000000Grade: 0.13Grade Unit: %Contained Metal: 39Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- copper
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:146d7f8edbdbfa59dc58
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Grade
- 0.13
- Grade Unit
- %
- Contained Metal
- 39
- Contained Unit
- kt
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Indicated copper resource at Shanac adds to the polymetallic value, with a moderate grade and contained metal, contributing to the overall project economics.
Positive factors
- Indicated category provides reasonable geological confidence
- Contributes to polymetallic nature of the deposit
Evidence · table
“0.13”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · silverTonnes: 30000000Grade: 7.2Grade Unit: g/tContained Metal: 6.9Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- silver
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:146d7f8edbdbfa59dc58
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Grade
- 7.2
- Grade Unit
- g/t
- Contained Metal
- 6.9
- Contained Unit
- moz
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Indicated silver resource at Shanac, with a good grade and contained metal, enhances the polymetallic nature and overall economic potential of the deposit.
Positive factors
- Indicated category provides reasonable geological confidence
- Significant contained silver adds to polymetallic value
Evidence · table
“7.20”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · leadTonnes: 30000000Grade: 0.29Grade Unit: %Contained Metal: 87Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- lead
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:146d7f8edbdbfa59dc58
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Grade
- 0.29
- Grade Unit
- %
- Contained Metal
- 87
- Contained Unit
- kt
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Indicated lead resource at Shanac, with a moderate grade and contained metal, adds to the polymetallic value of the project.
Positive factors
- Indicated category provides reasonable geological confidence
- Contributes to polymetallic nature of the deposit
Evidence · table
“0.29”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · zincTonnes: 30000000Grade: 0.36Grade Unit: %Contained Metal: 108Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- zinc
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:146d7f8edbdbfa59dc58
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Grade
- 0.36
- Grade Unit
- %
- Contained Metal
- 108
- Contained Unit
- kt
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Indicated zinc resource at Shanac, with a moderate grade and contained metal, adds to the polymetallic value of the project.
Positive factors
- Indicated category provides reasonable geological confidence
- Contributes to polymetallic nature of the deposit
Evidence · table
“0.36”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · goldTonnes: 30000000Contained Metal: 1.25Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:146d7f8edbdbfa59dc58
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Contained Metal
- 1.25
- Contained Unit
- moz
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Metal Eq. Grade
- 1.3
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Indicated AuEq resource at Shanac represents a substantial contribution to the project's overall value, with transparent metal equivalent calculations.
Positive factors
- Indicated category provides reasonable geological confidence
- Significant AuEq grade and contained metal
- Assumptions for metal equivalent calculation are disclosed
Evidence · table
“1.30”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 130000000Grade: 0.55Grade Unit: g/tContained Metal: 2.3Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:f0ee244afe29c8e6a357
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 130000000
- Grade
- 0.55
- Grade Unit
- g/t
- Contained Metal
- 2.3
- Contained Unit
- moz
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Shanac Inferred gold resource adds substantial tonnage and contained metal to the project, but its lower confidence category means further drilling is required for de-risking.
Positive factors
- Large tonnage contributes significantly to overall resource
- Good contained gold for an Inferred resource
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“0.55”
Context: 130
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · copperTonnes: 130000000Grade: 0.11Grade Unit: %Contained Metal: 143Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- copper
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:f0ee244afe29c8e6a357
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 130000000
- Grade
- 0.11
- Grade Unit
- %
- Contained Metal
- 143
- Contained Unit
- kt
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Inferred copper resource at Shanac contributes to the polymetallic nature of the deposit, but its lower confidence category requires further validation.
Positive factors
- Large contained copper adds to polymetallic potential
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“0.11”
Context: 130
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · silverTonnes: 130000000Grade: 6.1Grade Unit: g/tContained Metal: 25.5Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- silver
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:f0ee244afe29c8e6a357
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 130000000
- Grade
- 6.1
- Grade Unit
- g/t
- Contained Metal
- 25.5
- Contained Unit
- moz
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Inferred silver resource at Shanac, with substantial contained metal, enhances the polymetallic value, but its confidence level is lower.
Positive factors
- Significant contained silver adds to polymetallic potential
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“6.10”
Context: 130
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · leadTonnes: 130000000Grade: 0.21Grade Unit: %Contained Metal: 442Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- lead
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:f0ee244afe29c8e6a357
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 130000000
- Grade
- 0.21
- Grade Unit
- %
- Contained Metal
- 442
- Contained Unit
- kt
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Inferred lead resource at Shanac contributes to the polymetallic nature of the deposit, but its confidence level is lower.
Positive factors
- Large contained lead adds to polymetallic potential
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“0.21”
Context: 130
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · zincTonnes: 130000000Grade: 0.34Grade Unit: %Contained Metal: 2.3Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- zinc
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:f0ee244afe29c8e6a357
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 130000000
- Grade
- 0.34
- Grade Unit
- %
- Contained Metal
- 2.3
- Contained Unit
- kt
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Inferred zinc resource at Shanac adds to the polymetallic potential, but the reported contained metal value is highly questionable due to a likely typo in the source document, and its confidence level is lower.
Positive factors
- Contributes to polymetallic nature of the deposit
Negative factors
- Inferred category indicates lower geological confidence
- Reported contained metal value appears to be a typo, significantly understating the calculated contained metal
Evidence · table
“0.34”
Context: 130
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 130000000Contained Metal: 4.1Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-04-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:f0ee244afe29c8e6a357
- Deposit or zone
- Shanac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 130000000
- Contained Metal
- 4.1
- Contained Unit
- moz
- Cutoff Grade
- 0.6
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Metal Eq. Grade
- 0.98
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Inferred AuEq resource at Shanac is a major component of the project's total, but its lower confidence category highlights the need for further de-risking.
Positive factors
- Large contained AuEq adds significantly to overall resource
- Assumptions for metal equivalent calculation are disclosed
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“0.98”
Context: 130
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 20000000Grade: 2.8Grade Unit: g/tContained Metal: 1.8Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-05-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e795144f02b0965a86ee
- Deposit or zone
- Gradina
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 20000000
- Grade
- 2.8
- Grade Unit
- g/t
- Contained Metal
- 1.8
- Contained Unit
- moz
- Cutoff Grade
- 1.5
- Cutoff Unit
- g/t Au
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Gradina Inferred resource presents a high-grade gold system with substantial contained metal, making it a key asset for the project, though further drilling is needed to upgrade confidence.
Positive factors
- High gold grade of 2.8 g/t
- Significant contained gold of 1.8 Moz
- JORC 2012 compliant with QP sign-off
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“2.8”
Context: 20
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 20000000Contained Metal: 1.8Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-05-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e795144f02b0965a86ee
- Deposit or zone
- Gradina
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 20000000
- Contained Metal
- 1.8
- Contained Unit
- moz
- Cutoff Grade
- 1.5
- Cutoff Unit
- g/t Au
Metal Equivalent
- Metal Eq. Grade
- 2.8
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Gradina Inferred AuEq resource highlights a high-grade system with substantial contained metal, with transparent metal equivalent calculations, but requires further confidence upgrade.
Positive factors
- High AuEq grade of 2.8 g/t
- Significant contained AuEq of 1.8 Moz
- Assumptions for metal equivalent calculation are disclosed
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“2.8”
Context: 20
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 21000000Grade: 0.77Grade Unit: g/tContained Metal: 0.52Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2025-02-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:894e59b9130453d97b37
- Deposit or zone
- Medenovac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 21000000
- Grade
- 0.77
- Grade Unit
- g/t
- Contained Metal
- 0.52
- Contained Unit
- moz
- Cutoff Grade
- 1
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Medenovac Inferred gold resource adds to the project's total, but its lower confidence and older effective date suggest it may require further work and updating.
Positive factors
- Contributes to overall project resource base
Negative factors
- Inferred category indicates lower geological confidence
- Estimate is older (February 2025)
Evidence · table
“0.77”
Context: 21
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · copperTonnes: 21000000Grade: 0.27Grade Unit: %Contained Metal: 57Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- copper
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2025-02-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:894e59b9130453d97b37
- Deposit or zone
- Medenovac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 21000000
- Grade
- 0.27
- Grade Unit
- %
- Contained Metal
- 57
- Contained Unit
- kt
- Cutoff Grade
- 1
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Medenovac Inferred copper resource adds to the polymetallic value, but its lower confidence and older effective date suggest it may require further work.
Positive factors
- Contributes to polymetallic nature of the deposit
Negative factors
- Inferred category indicates lower geological confidence
- Estimate is older (February 2025)
Evidence · table
“0.27”
Context: 21
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · silverTonnes: 21000000Grade: 6.3Grade Unit: g/tContained Metal: 4.3Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- silver
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2025-02-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:894e59b9130453d97b37
- Deposit or zone
- Medenovac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 21000000
- Grade
- 6.3
- Grade Unit
- g/t
- Contained Metal
- 4.3
- Contained Unit
- moz
- Cutoff Grade
- 1
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Medenovac Inferred silver resource adds to the polymetallic value, but its lower confidence and older effective date suggest it may require further work.
Positive factors
- Contributes to polymetallic nature of the deposit
Negative factors
- Inferred category indicates lower geological confidence
- Estimate is older (February 2025)
Evidence · table
“6.3”
Context: 21
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · leadTonnes: 21000000Grade: 0.11Grade Unit: %Contained Metal: 23Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- lead
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2025-02-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:894e59b9130453d97b37
- Deposit or zone
- Medenovac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 21000000
- Grade
- 0.11
- Grade Unit
- %
- Contained Metal
- 23
- Contained Unit
- kt
- Cutoff Grade
- 1
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Medenovac Inferred lead resource adds to the polymetallic value, but its lower confidence and older effective date suggest it may require further work.
Positive factors
- Contributes to polymetallic nature of the deposit
Negative factors
- Inferred category indicates lower geological confidence
- Estimate is older (February 2025)
Evidence · table
“0.11”
Context: 21
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · zincTonnes: 21000000Grade: 1.54Grade Unit: %Contained Metal: 320Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- zinc
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2025-02-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:894e59b9130453d97b37
- Deposit or zone
- Medenovac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 21000000
- Grade
- 1.54
- Grade Unit
- %
- Contained Metal
- 320
- Contained Unit
- kt
- Cutoff Grade
- 1
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Medenovac Inferred zinc resource, with substantial contained metal, enhances the polymetallic value, but its confidence level and age suggest further work is needed.
Positive factors
- Significant contained zinc adds to polymetallic nature of the deposit
Negative factors
- Inferred category indicates lower geological confidence
- Estimate is older (February 2025)
Evidence · table
“1.54”
Context: 21
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 21000000Contained Metal: 1.28Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2025-02-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:894e59b9130453d97b37
- Deposit or zone
- Medenovac
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 21000000
- Contained Metal
- 1.28
- Contained Unit
- moz
- Cutoff Grade
- 1
- Cutoff Unit
- g/t AuEq
Metal Equivalent
- Metal Eq. Grade
- 1.9
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Medenovac Inferred AuEq resource adds to the project's total, but its lower confidence and older effective date suggest it may require further work and updating.
Positive factors
- Contributes to overall project resource base
- Assumptions for metal equivalent calculation are disclosed
Negative factors
- Inferred category indicates lower geological confidence
- Estimate is older (February 2025)
Evidence · table
“1.9”
Context: 21
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 16000000Grade: 1.3Grade Unit: g/tContained Metal: 0.65Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:84a347d5f708beda9ae4
- Deposit or zone
- Copper Canyon
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 16000000
- Grade
- 1.3
- Grade Unit
- g/t
- Contained Metal
- 0.65
- Contained Unit
- moz
- Cutoff Grade
- 76
- Cutoff Unit
- US$/t NSR
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Copper Canyon Inferred gold resource provides a recent and significant contribution to the project, with a good grade, but its confidence level needs to be upgraded.
Positive factors
- Good gold grade and contained metal
- Recent estimate (July 2026)
- JORC 2012 compliant with QP sign-off
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“1.3”
Context: 16
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · copperTonnes: 16000000Grade: 0.45Grade Unit: %Contained Metal: 72Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- copper
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:84a347d5f708beda9ae4
- Deposit or zone
- Copper Canyon
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 16000000
- Grade
- 0.45
- Grade Unit
- %
- Contained Metal
- 72
- Contained Unit
- kt
- Cutoff Grade
- 76
- Cutoff Unit
- US$/t NSR
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Copper Canyon Inferred copper resource provides a recent and significant contribution to the project, with a good grade, but its confidence level needs to be upgraded.
Positive factors
- Good copper grade and contained metal
- Recent estimate (July 2026)
- Contributes to polymetallic nature of the deposit
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“0.45”
Context: 16
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 16000000Contained Metal: 0.82Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:84a347d5f708beda9ae4
- Deposit or zone
- Copper Canyon
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 16000000
- Contained Metal
- 0.82
- Contained Unit
- moz
- Cutoff Grade
- 76
- Cutoff Unit
- US$/t NSR
Metal Equivalent
- Metal Eq. Grade
- 1.6
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Copper Canyon Inferred AuEq resource provides a recent and significant contribution to the project, with transparent metal equivalent calculations, but its confidence level needs to be upgraded.
Positive factors
- Good AuEq grade and contained metal
- Recent estimate (July 2026)
- Assumptions for metal equivalent calculation are disclosed
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“1.6”
Context: 16
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · goldTonnes: 30000000Grade: 0.83Grade Unit: g/tContained Metal: 0.8Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e04c90e9be33f148e41b
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Grade
- 0.83
- Grade Unit
- g/t
- Contained Metal
- 0.8
- Contained Unit
- moz
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Indicated gold resource represents a solid foundation with reasonable geological confidence and good contained metal, contributing positively to the overall project.
Positive factors
- Indicated category provides reasonable geological confidence for a significant portion of the total resource
- Good gold grade and contained metal
Evidence · table
“0.83”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · copperTonnes: 30000000Grade: 0.13Grade Unit: %Contained Metal: 39Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- copper
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e04c90e9be33f148e41b
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Grade
- 0.13
- Grade Unit
- %
- Contained Metal
- 39
- Contained Unit
- kt
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Indicated copper resource adds to the polymetallic value with reasonable confidence, contributing to the overall project economics.
Positive factors
- Indicated category provides reasonable geological confidence
- Contributes to polymetallic nature of the project
Evidence · table
“0.13”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · silverTonnes: 30000000Grade: 7.2Grade Unit: g/tContained Metal: 6.9Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- silver
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e04c90e9be33f148e41b
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Grade
- 7.2
- Grade Unit
- g/t
- Contained Metal
- 6.9
- Contained Unit
- moz
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Indicated silver resource, with a good grade and contained metal, enhances the polymetallic nature and overall economic potential with reasonable confidence.
Positive factors
- Indicated category provides reasonable geological confidence
- Significant contained silver adds to polymetallic value
Evidence · table
“7.20”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · leadTonnes: 30000000Grade: 0.29Grade Unit: %Contained Metal: 87Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- lead
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e04c90e9be33f148e41b
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Grade
- 0.29
- Grade Unit
- %
- Contained Metal
- 87
- Contained Unit
- kt
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Indicated lead resource adds to the polymetallic value with reasonable confidence.
Positive factors
- Indicated category provides reasonable geological confidence
- Contributes to polymetallic nature of the project
Evidence · table
“0.29”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · zincTonnes: 30000000Grade: 0.36Grade Unit: %Contained Metal: 108Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- zinc
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e04c90e9be33f148e41b
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Grade
- 0.36
- Grade Unit
- %
- Contained Metal
- 108
- Contained Unit
- kt
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Indicated zinc resource adds to the polymetallic value with reasonable confidence.
Positive factors
- Indicated category provides reasonable geological confidence
- Contributes to polymetallic nature of the project
Evidence · table
“0.36”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
indicatedRogozna · goldTonnes: 30000000Contained Metal: 1.25Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:e04c90e9be33f148e41b
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 30000000
- Contained Metal
- 1.25
- Contained Unit
- moz
Metal Equivalent
- Metal Eq. Grade
- 1.3
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Indicated AuEq resource represents a solid and transparent contribution to the overall value with reasonable confidence.
Positive factors
- Indicated category provides reasonable geological confidence
- Significant AuEq grade and contained metal
- Assumptions for metal equivalent calculation are disclosed
Evidence · table
“1.30”
Context: 30
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 187000000Grade: 0.88Grade Unit: g/tContained Metal: 5.27Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:af20f9fec88f9dea4f84
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 187000000
- Grade
- 0.88
- Grade Unit
- g/t
- Contained Metal
- 5.27
- Contained Unit
- moz
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Inferred gold resource adds substantial tonnage and contained metal, but its lower confidence category means further drilling is required for de-risking.
Positive factors
- Large tonnage contributes significantly to overall resource
- Good contained gold for an Inferred resource
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“0.88”
Context: 187
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · copperTonnes: 187000000Grade: 0.14Grade Unit: %Contained Metal: 272Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- copper
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:af20f9fec88f9dea4f84
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 187000000
- Grade
- 0.14
- Grade Unit
- %
- Contained Metal
- 272
- Contained Unit
- kt
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Inferred copper resource contributes to the polymetallic nature, but its lower confidence category requires further validation.
Positive factors
- Large contained copper adds to polymetallic potential
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“0.14”
Context: 187
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · silverTonnes: 187000000Grade: 4.95Grade Unit: g/tContained Metal: 29.8Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- silver
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:af20f9fec88f9dea4f84
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 187000000
- Grade
- 4.95
- Grade Unit
- g/t
- Contained Metal
- 29.8
- Contained Unit
- moz
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Inferred silver resource, with substantial contained metal, enhances the polymetallic value, but its confidence level is lower.
Positive factors
- Significant contained silver adds to polymetallic potential
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“4.95”
Context: 187
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · leadTonnes: 187000000Grade: 0.16Grade Unit: %Contained Metal: 296Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- lead
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:af20f9fec88f9dea4f84
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 187000000
- Grade
- 0.16
- Grade Unit
- %
- Contained Metal
- 296
- Contained Unit
- kt
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Inferred lead resource contributes to the polymetallic nature, but its confidence level is lower.
Positive factors
- Large contained lead adds to polymetallic potential
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“0.16”
Context: 187
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · zincTonnes: 187000000Grade: 0.41Grade Unit: %Contained Metal: 762Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- zinc
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:af20f9fec88f9dea4f84
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 187000000
- Grade
- 0.41
- Grade Unit
- %
- Contained Metal
- 762
- Contained Unit
- kt
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Inferred zinc resource, with substantial contained metal, enhances the polymetallic value, but its confidence level is lower.
Positive factors
- Significant contained zinc adds to polymetallic potential
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“0.41”
Context: 187
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 187000000Contained Metal: 8Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:af20f9fec88f9dea4f84
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 187000000
- Contained Metal
- 8
- Contained Unit
- moz
Metal Equivalent
- Metal Eq. Grade
- 1.35
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The project's total Inferred AuEq resource is a major component, but its lower confidence category highlights the need for further de-risking.
Positive factors
- Large contained AuEq adds significantly to overall resource
- Assumptions for metal equivalent calculation are disclosed
Negative factors
- Inferred category indicates lower geological confidence
Evidence · table
“1.35”
Context: 187
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 217000000Grade: 0.87Grade Unit: g/tContained Metal: 6.07Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:8b2c0cdd8a280cc3b801
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 217000000
- Grade
- 0.87
- Grade Unit
- g/t
- Contained Metal
- 6.07
- Contained Unit
- moz
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Rogozna project boasts a very large total gold resource, but the high proportion of Inferred material indicates that significant work is still needed to upgrade confidence.
Positive factors
- Very large total tonnage and contained gold
- JORC 2012 compliant with QP sign-off
Negative factors
- High proportion of Inferred resources (8.00 Moz AuEq out of 9.25 Moz AuEq total)
Evidence · table
“0.87”
Context: 217
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · copperTonnes: 217000000Grade: 0.14Grade Unit: %Contained Metal: 311Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- copper
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:8b2c0cdd8a280cc3b801
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 217000000
- Grade
- 0.14
- Grade Unit
- %
- Contained Metal
- 311
- Contained Unit
- kt
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Rogozna project's total copper resource is substantial, enhancing its polymetallic nature, but the high proportion of Inferred material indicates lower confidence.
Positive factors
- Significant total contained copper adds to polymetallic value
Negative factors
- High proportion of Inferred resources
Evidence · table
“0.14”
Context: 217
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · silverTonnes: 217000000Grade: 5.26Grade Unit: g/tContained Metal: 36.7Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- silver
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:8b2c0cdd8a280cc3b801
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 217000000
- Grade
- 5.26
- Grade Unit
- g/t
- Contained Metal
- 36.7
- Contained Unit
- moz
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Rogozna project's total silver resource is substantial, enhancing its polymetallic nature, but the high proportion of Inferred material indicates lower confidence.
Positive factors
- Significant total contained silver adds to polymetallic value
Negative factors
- High proportion of Inferred resources
Evidence · table
“5.26”
Context: 217
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · leadTonnes: 217000000Grade: 0.18Grade Unit: %Contained Metal: 383Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- lead
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:8b2c0cdd8a280cc3b801
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 217000000
- Grade
- 0.18
- Grade Unit
- %
- Contained Metal
- 383
- Contained Unit
- kt
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Rogozna project's total lead resource is substantial, enhancing its polymetallic nature, but the high proportion of Inferred material indicates lower confidence.
Positive factors
- Significant total contained lead adds to polymetallic value
Negative factors
- High proportion of Inferred resources
Evidence · table
“0.18”
Context: 217
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · zincTonnes: 217000000Grade: 0.4Grade Unit: %Contained Metal: 870Contained Unit: ktView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- zinc
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:8b2c0cdd8a280cc3b801
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 217000000
- Grade
- 0.4
- Grade Unit
- %
- Contained Metal
- 870
- Contained Unit
- kt
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Rogozna project's total zinc resource is substantial, enhancing its polymetallic nature, but the high proportion of Inferred material indicates lower confidence.
Positive factors
- Significant total contained zinc adds to polymetallic value
Negative factors
- High proportion of Inferred resources
Evidence · table
“0.40”
Context: 217
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredRogozna · goldTonnes: 217000000Contained Metal: 9.25Contained Unit: mozView all detailsHide details
Identity
- Project
- Rogozna
- Commodity
- gold
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- STK
Resource scope
- Estimate type
- resource
- Effective date
- 2026-07-01T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Resource group id
- resource:8b2c0cdd8a280cc3b801
- Deposit or zone
- Project Total
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 217000000
- Contained Metal
- 9.25
- Contained Unit
- moz
Metal Equivalent
- Metal Eq. Grade
- 1.33
- Metal Eq. Unit
- g/t AuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: The Rogozna project's total AuEq resource is very large, but the high proportion of Inferred material indicates that significant work is still needed to upgrade confidence.
Positive factors
- Very large total AuEq resource of 9.25 Moz
- Assumptions for metal equivalent calculation are disclosed
Negative factors
- High proportion of Inferred resources (8.00 Moz AuEq out of 9.25 Moz AuEq total)
Evidence · table
“1.33”
Context: 217
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.