Boron One Announces Positive Preliminary Economic Assessment (PEA) for Its Piskanja Boron Project
Original announcement by jmn on
- Company
- Boron One Holdings Inc.
- Ticker
- BONE
- Exchange
- TSXV
- Region
- Serbia
- Primary commodity
- Boron
- Secondary commodities
- None reported
- Document categories
- Other, Resource update
- Extracted
- 2026-10-14 14:25:11 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Boron One announced positive results from an updated Preliminary Economic Assessment (PEA) for its wholly-owned Piskanja Boron Project in Serbia. The PEA outlines a robust economic case with a post-tax NPV8 of $638.8 million and an IRR of 89.0%, with a payback period of less than 12 months. The study is based on an updated NI 43-101 compliant Mineral Resource Estimate, which includes 7.14 Mt of Measured and Indicated resources at an average grade of 32.4% B₂O₃.
Reasoning: The Preliminary Economic Assessment demonstrates strong economic viability for the Piskanja Boron Project with a post-tax NPV8 of $638.8 million and an IRR of 89.0%, supported by an updated NI 43-101 compliant Mineral Resource Estimate.
Positive factors
- high_npv
- high_irr
- short_payback
- updated_resource_estimate
- ni_43_101_compliant
- qp_signed
- conventional_processing
- low_operating_costs
Negative factors
- preliminary_economic_assessment
- no_mineral_reserves_estimated
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 53
Classification and evidence
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: The document is a Preliminary Economic Assessment (PEA) for the project.
Evidence · text
“Preliminary Economic Assessment (PEA)”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The PEA was prepared in accordance with the requirements of National Instrument 43-101.
Evidence · text
“The PEA was prepared in accordance with the requirements of National Instrument 43-101”
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 and Prof. Dejan Petrović PhD (Mining Eng) are named as Qualified Persons for the PEA.
Evidence · text
“Prof. Miodrag Banješević PhD. P.Geo, EurGeol, with contributions from Prof. Dejan Petrović PhD (Mining Eng)”
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 a 'Measured' category.
Evidence · table
“Measured”
Context: Mineral Resource Category
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 an 'Indicated' category.
Evidence · table
“Indicated”
Context: Mineral Resource Category
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document presents an 'updated Mineral Resource Statement' for the project.
Evidence · text
“The updated Mineral Resource Statement generated for the Piskanja Project”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The resource is reported at a minimum grade threshold of 12 percent B₂O₃.
Evidence · text
“reported at a minimum grade threshold of 12 percent B 2 O 3”
Extracted facts
Stored fact records: 13. Some facts used in scoring do not have a stored record.
Resource Estimates (13)
measuredPiskanja Boron Project · boronTonnes: 1049207Grade: 34.78Grade Unit: %Contained Metal: 364943Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:b0d9cb639c9f9d792383
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 1049207
- Grade
- 34.78
- Grade Unit
- %
- 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 of 1.05 Mt at 34.78% B₂O₃ provides a high level of confidence for project planning.
Positive factors
- measured_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“34.78”
Context: 1,049,207
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 Boron Project · boronTonnes: 6090601Grade: 31.99Grade Unit: %Contained Metal: 1948626Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:2de30a3a55a276718d3a
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 6090601
- Grade
- 31.99
- Grade Unit
- %
- 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 of 6.09 Mt at 31.99% B₂O₃ provides a strong basis for economic studies.
Positive factors
- indicated_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“31.99”
Context: 6,090,601
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
indicatedPiskanja Boron Project · boronTonnes: 7139808Grade: 32.4Grade Unit: %Contained Metal: 2313569Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:6fd544f1b39229a57adb
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 7139808
- Grade
- 32.4
- Grade Unit
- %
- Contained Metal
- 2313569
- 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 combined Measured + Indicated resource of 7.14 Mt at 32.40% B₂O₃ forms the basis for the PEA.
Positive factors
- indicated_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“32.40”
Context: 7,139,808
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 Boron Project · boronTonnes: 469619Grade: 35.52Grade Unit: %Contained Metal: 166824Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:00b3f877b08052bb022b
- Deposit or zone
- Colemanite (COL)
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 469619
- Grade
- 35.52
- Grade Unit
- %
- 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 resource for Colemanite of 0.47 Mt at 35.52% B₂O₃ contributes to the high-confidence portion of the resource.
Positive factors
- measured_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“35.52”
Context: 469,619
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 Boron Project · boronTonnes: 3360829Grade: 34.14Grade Unit: %Contained Metal: 1147478Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:1b397e7ec96727a1e29e
- Deposit or zone
- Colemanite (COL)
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 3360829
- Grade
- 34.14
- Grade Unit
- %
- 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 Indicated resource for Colemanite of 3.36 Mt at 34.14% B₂O₃ is a significant component of the overall resource.
Positive factors
- indicated_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“34.14”
Context: 3,360,829
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
indicatedPiskanja Boron Project · boronTonnes: 3830448Grade: 34.31Grade Unit: %Contained Metal: 1314302Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:e8e140e3ff661b5b528a
- Deposit or zone
- Colemanite (COL)
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 3830448
- Grade
- 34.31
- Grade Unit
- %
- Contained Metal
- 1314302
- 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 combined Measured + Indicated resource for Colemanite of 3.83 Mt at 34.31% B₂O₃ provides a robust estimate for this mineral type.
Positive factors
- indicated_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“34.31”
Context: 3,830,448
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 Boron Project · boronTonnes: 256795Grade: 40.47Grade Unit: %Contained Metal: 103923Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:efcee7fc3ba991d08d79
- Deposit or zone
- Ulexite (ULE)
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 256795
- Grade
- 40.47
- Grade Unit
- %
- 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 Measured resource for Ulexite of 0.26 Mt at 40.47% B₂O₃ indicates a high-grade, high-confidence portion of the resource.
Positive factors
- measured_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“40.47”
Context: 256,795
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 Boron Project · boronTonnes: 735259Grade: 40.67Grade Unit: %Contained Metal: 299023Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:07c0f4b0489c03ae2cbb
- Deposit or zone
- Ulexite (ULE)
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 735259
- Grade
- 40.67
- Grade Unit
- %
- 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 Indicated resource for Ulexite of 0.74 Mt at 40.67% B₂O₃ is a valuable part of the overall resource.
Positive factors
- indicated_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“40.67”
Context: 735,259
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
indicatedPiskanja Boron Project · boronTonnes: 992054Grade: 40.62Grade Unit: %Contained Metal: 402946Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:12029b8778a3a33dbd15
- Deposit or zone
- Ulexite (ULE)
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 992054
- Grade
- 40.62
- Grade Unit
- %
- Contained Metal
- 402946
- 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 combined Measured + Indicated resource for Ulexite of 0.99 Mt at 40.62% B₂O₃ provides a robust estimate for this mineral type.
Positive factors
- indicated_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“40.62”
Context: 992,054
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 Boron Project · boronTonnes: 322793Grade: 29.18Grade Unit: %Contained Metal: 94196Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:27779183adaa91dd5b30
- Deposit or zone
- Polymineralic (Mix)
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- measured
- Tonnes
- 322793
- Grade
- 29.18
- Grade Unit
- %
- 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 resource for Polymineralic material of 0.32 Mt at 29.18% B₂O₃ adds to the high-confidence portion of the resource.
Positive factors
- measured_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“29.18”
Context: 322,793
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 Boron Project · boronTonnes: 1994513Grade: 25.18Grade Unit: %Contained Metal: 502126Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:dd58473159979540abce
- Deposit or zone
- Polymineralic (Mix)
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 1994513
- Grade
- 25.18
- Grade Unit
- %
- 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 resource for Polymineralic material of 1.99 Mt at 25.18% B₂O₃ contributes to the overall resource base.
Positive factors
- indicated_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“25.18”
Context: 1,994,513
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
indicatedPiskanja Boron Project · boronTonnes: 2317306Grade: 25.72Grade Unit: %Contained Metal: 596321Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:1bc262080792836ab099
- Deposit or zone
- Polymineralic (Mix)
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 2317306
- Grade
- 25.72
- Grade Unit
- %
- Contained Metal
- 596321
- 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 combined Measured + Indicated resource for Polymineralic material of 2.32 Mt at 25.72% B₂O₃ provides a comprehensive estimate for this mineral type.
Positive factors
- indicated_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“25.72”
Context: 2,317,306
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
indicatedPiskanja Boron Project · boronTonnes: 7139808Grade: 32.4Grade Unit: %Contained Metal: 2313569Contained Unit: tView all detailsHide details
Identity
- Project
- Piskanja Boron Project
- Commodity
- boron
- Region
- serbia
- Reported Region
- Serbia
- Ticker
- BONE
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:6fd544f1b39229a57adb
- Mining method
- underground
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 7139808
- Grade
- 32.4
- Grade Unit
- %
- Contained Metal
- 2313569
- 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 total Measured + Indicated resource of 7.14 Mt at 32.40% B₂O₃ underpins the economic assessment of the project.
Positive factors
- indicated_resource
- ni_43_101_compliant
- qp_signed
- cut_off_disclosed
Evidence · table
“32.40”
Context: 7,139,808
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.