Boron One Holdings Inc. Announces Positive Preliminary Economic Assessment (PEA) for Its Piskanja Boron Project
Original announcement by orestocks on
- Company
- Boron One Holdings Inc.
- Ticker
- BONE.V
- Exchange
- Unavailable
- Region
- Serbia
- Primary commodity
- Boron
- Secondary commodities
- None reported
- Document categories
- Other, Resource update
- Extracted
- 2026-10-14 12:51:27 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Boron One Holdings Inc. announced positive results from an updated Preliminary Economic Assessment (PEA) for its wholly-owned Piskanja boron project in Serbia. The PEA highlights robust economics, including a post-tax NPV8 of US$638.8 million, an IRR of 89.0%, and a rapid 12-month capital payback period. This assessment is underpinned by an updated Mineral Resource Estimate, which outlines 7.14 Mt of Measured and Indicated resources at an average grade of 32.4% B2O3.
Reasoning: Boron One Holdings Inc. announced a highly positive Preliminary Economic Assessment (PEA) for its Piskanja Boron Project, showcasing robust economics with a high NPV and IRR, supported by an updated NI 43-101 compliant Mineral Resource Estimate comprising only Measured and Indicated categories.
Positive factors
- High post-tax NPV of US$638.8 million and IRR of 89.0% demonstrate strong project economics.
- Rapid capital payback period of less than 12 months.
- Updated Mineral Resource Estimate (MRE) is NI 43-101 compliant and includes significant Measured and Indicated resources (7.14 Mt at 32.4% B2O3) with no Inferred resources included in the PEA.
- Conventional and industry-standard processing methods are planned for colemanite, ulexite, and boric acid production.
- Low to moderate accident risk profile noted in the Environmental Impact Assessment (EIA).
Negative factors
- The economic assessment is preliminary in nature (PEA) and contains numerous assumptions, with no Mineral Reserves estimated.
- Significant future work is required to de-risk the project before mine construction, including further exploration, metallurgical optimization, and geotechnical testing.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 9
Classification and evidence
High NPVpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The PEA reports a post-tax NPV8 of US$638.8 million, which is a strong economic indicator for the project.
Evidence · table
“$638.8 million”
Context: Net Present Value (NPV8) post-tax
High IRRpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The PEA reports a post-tax IRR of 89.0%, indicating a very high rate of return on investment.
Evidence · table
“89.0%”
Context: Internal Rate of Return (IRR) post-tax
Rapid Paybackpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The PEA projects a capital payback period of less than 12 months from commercial production start, indicating quick capital recovery.
Evidence · table
“< 12 months”
Context: Capex payback from commercial production start
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: The resource estimate is explicitly stated as the basis for the Preliminary Economic Assessment (PEA).
Evidence · text
“The basis for the PEA is the Mineral Resource Estimate (MRE)”
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: The Mineral Resource Estimate includes 1.05 Mt of Measured resources at 34.78% B2O3, representing the highest confidence category.
Evidence · table
“1,049,207”
Context: Measured
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The Mineral Resource Estimate includes 6.09 Mt of Indicated resources at 31.99% B2O3, providing reasonable geological confidence.
Evidence · table
“6,090,601”
Context: Indicated
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: Prof. Miodrag Banješević PhD. P.Geo, EurGeol, is named as the Qualified Person for both the PEA and the Mineral Resource Estimate.
Evidence · text
“Prof. Miodrag Banješević PhD. P.Geo, EurGeol, is a Qualified Person in accordance with the CIM Definition Standards on Mineral Resources and Reserves (CIM Standards).”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The Mineral Resource Estimate is explicitly stated to be estimated according to NI 43-101 and CIM Standards.
Evidence · text
“The MRE is estimated according to NI 43-101 and CIM Standards.”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The Mineral Resource Statement is reported at a minimum grade threshold of 12 percent B2O3.
Evidence · text
“The Mineral Resource Statement is reported at a minimum grade threshold of 12 percent B2O3”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The MRE is an update to a previous estimate produced in 2022 and 2016, reflecting current technical studies.
Evidence · text
“The MRE produced by Banješević is an update to a previous estimate produced by Banješević in 2022”
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Resource Estimates (8)
measuredPiskanja · boronTonnes: 1049207Grade: 34.78Grade Unit: % B2O3Contained Metal: 364943Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-10-12T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Prof. Miodrag Banješević PhD. P.Geo, EurGeol
- Resource group id
- resource:4cd7a04337182ba890d4
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 1049207
- Grade
- 34.78
- Grade Unit
- % B2O3
- Contained Metal
- 364943
- Contained Unit
- t
- Cutoff Grade
- 12
- Cutoff Unit
- % B2O3
Prior Estimate
- Resource Date
- 2026-10-12
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Measured resource component is substantial and high-grade, contributing significantly to project confidence and economic viability.
Positive factors
- Significant Measured resource tonnage (1.05 Mt) at a high grade (34.78% B2O3) provides high confidence.
- Resource estimate is NI 43-101 compliant and signed off by a Qualified Person.
Evidence · table
“1,049,207”
Context: Measured
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
indicatedPiskanja · boronTonnes: 6090601Grade: 31.99Grade Unit: % B2O3Contained Metal: 1948626Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-10-12T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Prof. Miodrag Banješević PhD. P.Geo, EurGeol
- Resource group id
- resource:ea59b33fa66734a22467
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 6090601
- Grade
- 31.99
- Grade Unit
- % B2O3
- Contained Metal
- 1948626
- Contained Unit
- t
- Cutoff Grade
- 12
- Cutoff Unit
- % B2O3
Prior Estimate
- Resource Date
- 2026-10-12
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Indicated resource forms the bulk of the project's mineral inventory, supporting the long mine life and economic projections.
Positive factors
- Large Indicated resource tonnage (6.09 Mt) at a strong grade (31.99% B2O3) provides a solid foundation for future studies.
- Resource estimate is NI 43-101 compliant and signed off by a Qualified Person.
Evidence · table
“6,090,601”
Context: Indicated
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
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
measuredPiskanja · boronTonnes: 469619Grade: 35.52Grade Unit: % B2O3Contained Metal: 166824Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-10-12T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Prof. Miodrag Banješević PhD. P.Geo, EurGeol
- Resource group id
- resource:11067eb06288337a2140
- Deposit or zone
- Colemanite
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 469619
- Grade
- 35.52
- Grade Unit
- % B2O3
- Contained Metal
- 166824
- Contained Unit
- t
- Cutoff Grade
- 12
- Cutoff Unit
- % B2O3
Prior Estimate
- Resource Date
- 2026-10-12
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Measured Colemanite resource provides high-confidence feedstock for a primary product, enhancing project economics.
Positive factors
- High-grade Measured Colemanite resource (35.52% B2O3) contributes to overall project value.
- Colemanite is a key commercial product for the project.
Evidence · table
“469,619”
Context: Colemanite (COL)
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
indicatedPiskanja · boronTonnes: 3360829Grade: 34.14Grade Unit: % B2O3Contained Metal: 1147478Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-10-12T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Prof. Miodrag Banješević PhD. P.Geo, EurGeol
- Resource group id
- resource:34605b986ef0e47a437a
- Deposit or zone
- Colemanite
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 3360829
- Grade
- 34.14
- Grade Unit
- % B2O3
- Contained Metal
- 1147478
- Contained Unit
- t
- Cutoff Grade
- 12
- Cutoff Unit
- % B2O3
Prior Estimate
- Resource Date
- 2026-10-12
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The large Indicated Colemanite resource underpins the project's primary product stream and contributes significantly to overall contained metal.
Positive factors
- Substantial Indicated Colemanite resource (3.36 Mt at 34.14% B2O3) supports long-term production plans.
- Colemanite is a key commercial product for the project.
Evidence · table
“3,360,829”
Context: Colemanite (COL)
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
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
measuredPiskanja · boronTonnes: 256795Grade: 40.47Grade Unit: % B2O3Contained Metal: 103923Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-10-12T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Prof. Miodrag Banješević PhD. P.Geo, EurGeol
- Resource group id
- resource:3618e543b41b4d29a01d
- Deposit or zone
- Ulexite
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 256795
- Grade
- 40.47
- Grade Unit
- % B2O3
- Contained Metal
- 103923
- Contained Unit
- t
- Cutoff Grade
- 12
- Cutoff Unit
- % B2O3
Prior Estimate
- Resource Date
- 2026-10-12
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The high-grade Measured Ulexite resource provides a valuable component to the project's product mix.
Positive factors
- Very high-grade Measured Ulexite resource (40.47% B2O3) enhances overall resource quality.
- Ulexite is a key commercial product for the project.
Evidence · table
“256,795”
Context: Ulexite (ULE)
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
indicatedPiskanja · boronTonnes: 735259Grade: 40.67Grade Unit: % B2O3Contained Metal: 299023Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-10-12T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Prof. Miodrag Banješević PhD. P.Geo, EurGeol
- Resource group id
- resource:ef6d3f2a9611d03ea59a
- Deposit or zone
- Ulexite
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 735259
- Grade
- 40.67
- Grade Unit
- % B2O3
- Contained Metal
- 299023
- Contained Unit
- t
- Cutoff Grade
- 12
- Cutoff Unit
- % B2O3
Prior Estimate
- Resource Date
- 2026-10-12
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The high-grade Indicated Ulexite resource provides a significant component for a secondary product stream.
Positive factors
- High-grade Indicated Ulexite resource (40.67% B2O3) adds to the project's overall resource quality and product diversity.
- Ulexite is a key commercial product for the project.
Evidence · table
“735,259”
Context: Ulexite (ULE)
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
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
measuredPiskanja · boronTonnes: 322793Grade: 29.18Grade Unit: % B2O3Contained Metal: 94196Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-10-12T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Prof. Miodrag Banješević PhD. P.Geo, EurGeol
- Resource group id
- resource:360cd4c5c88126ddf74d
- Deposit or zone
- Polymineralic
- Mining method
- underground
Resource Data
- Category
- measured
- Tonnes
- 322793
- Grade
- 29.18
- Grade Unit
- % B2O3
- Contained Metal
- 94196
- Contained Unit
- t
- Cutoff Grade
- 12
- Cutoff Unit
- % B2O3
Prior Estimate
- Resource Date
- 2026-10-12
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Measured Polymineralic resource contributes to the overall resource base and supports diversified product streams, despite a lower grade.
Positive factors
- Measured Polymineralic resource provides additional feedstock, particularly for boric acid production.
Negative factors
- Lower grade compared to Colemanite and Ulexite resources.
Evidence · table
“322,793”
Context: Polymineralic (Mix)
Tags used in scoring
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: category is "measured"
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
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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
indicatedPiskanja · boronTonnes: 1994513Grade: 25.18Grade Unit: % B2O3Contained Metal: 502126Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-10-12T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Prof. Miodrag Banješević PhD. P.Geo, EurGeol
- Resource group id
- resource:6d3adbbb29ed3b4bd273
- Deposit or zone
- Polymineralic
- Mining method
- underground
Resource Data
- Category
- indicated
- Tonnes
- 1994513
- Grade
- 25.18
- Grade Unit
- % B2O3
- Contained Metal
- 502126
- Contained Unit
- t
- Cutoff Grade
- 12
- Cutoff Unit
- % B2O3
Prior Estimate
- Resource Date
- 2026-10-12
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: The Indicated Polymineralic resource provides a substantial volume of material for diversified processing, particularly for boric acid.
Positive factors
- Indicated Polymineralic resource adds significant tonnage to the overall resource base, supporting boric acid production.
Negative factors
- Lower grade compared to Colemanite and Ulexite resources.
Evidence · table
“1,994,513”
Context: Polymineralic (Mix)
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
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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.