Tertiary Minerals sees best silver-copper intersection yet at Mushima North project
Original announcement by proactiveinvestors on
- Company
- Tertiary Minerals PLC
- Ticker
- TYM
- Exchange
- Unavailable
- Region
- Zambia
- Primary commodity
- Silver
- Secondary commodities
- Copper, Zinc
- Document categories
- Drill results
- Extracted
- 2026-09-15 11:49:44 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Tertiary Minerals reported its best silver-copper intersection to date at the Mushima North project in Zambia, highlighted by a 121m intercept at 78 g/t silver equivalent. The Phase 4 drilling program continues to intersect near-surface mineralisation, with the latest results suggesting the system remains open at depth.
Reasoning: Significant high-grade silver-copper-zinc intercepts reported, including a project-high silver result and evidence of open mineralization at depth.
Positive factors
- best silver-copper intersection yet
- near-surface mineralisation
- system remains open at depth
- project-high silver result
Facts used in scoring: 7
Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions certified laboratory results.
Evidence · text
“further certified laboratory results expected imminently”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The hole ended in mineralisation, suggesting the system remains open at depth.
Evidence · text
“The hole ended in mineralisation, suggesting the system remains open at depth.”
Extracted facts
Stored fact records: 7. Some facts used in scoring do not have a stored record.
Drill Results (7)
26TMNRC-053Mushima North · silverGrade: 56Grade Unit: g/tIntercept: 121 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-053
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 56
- Grade Unit
- g/t
- Intercept
- 121 m
- From
- 4 m
- To
- 125 m
- Intercept Depth
- 4 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 26TMNRC-053:4-125
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: High-grade silver intercept of 56 g/t over 121m, representing a project best.
Positive factors
- best intersection yet
- near-surface
Evidence · text
“Hole 26TMNRC-053 returned 121m at 56 g/t silver”
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
26TMNRC-053Mushima North · copperGrade: 0.26Grade Unit: %Intercept: 121 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-053
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 0.26
- Grade Unit
- %
- Intercept
- 121 m
- From
- 4 m
- To
- 125 m
- Intercept Depth
- 4 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 26TMNRC-053:4-125
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Copper component of a significant polymetallic intercept.
Evidence · text
“0.26% copper”
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
26TMNRC-053Mushima North · zincGrade: 0.37Grade Unit: %Intercept: 121 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-053
- Project
- Mushima North
- Commodity
- zinc
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 0.37
- Grade Unit
- %
- Intercept
- 121 m
- From
- 4 m
- To
- 125 m
- Intercept Depth
- 4 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 26TMNRC-053:4-125
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Zinc component of a significant polymetallic intercept.
Evidence · text
“0.37% zinc”
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
26TMNRC-053Mushima North · silverGrade: 130Grade Unit: g/tIntercept: 52 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-053
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 130
- Grade Unit
- g/t
- Intercept
- 52 m
- From
- 4 m
- To
- 56 m
- Intercept Depth
- 4 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 26TMNRC-053:4-56
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Strong high-grade silver equivalent sub-interval.
Positive factors
- high-grade sub-interval
Evidence · text
“including 52m at 130 g/t silver equivalent”
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
26TMNRC-053Mushima North · silverGrade: 238Grade Unit: g/tIntercept: 10 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-053
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 238
- Grade Unit
- g/t
- Intercept
- 10 m
- From
- 4 m
- To
- 14 m
- Intercept Depth
- 4 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 26TMNRC-053:4-14
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Very high-grade silver equivalent section.
Positive factors
- higher-grade section
Evidence · text
“higher-grade 10m section at 238 g/t silver equivalent”
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
26TMNRC-065Mushima North · silverGrade: 83Grade Unit: g/tIntercept: 51 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-065
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 83
- Grade Unit
- g/t
- Intercept
- 51 m
- From
- 28 m
- To
- 79 m
- Intercept Depth
- 28 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 26TMNRC-065:28-79
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Significant silver equivalent intercept.
Evidence · text
“51m at 83 g/t silver equivalent from 28m in hole 26TMNRC-065”
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
26TMNRC-068Mushima North · silverGrade: 44Grade Unit: g/tIntercept: 60 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-068
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 44
- Grade Unit
- g/t
- Intercept
- 60 m
- From
- 39 m
- To
- 99 m
- Intercept Depth
- 39 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 26TMNRC-068:39-99
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Moderate silver equivalent intercept.
Evidence · text
“60m at 44 g/t silver equivalent from 39m in 26TMNRC-068”
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
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.