Tertiary Minerals reveals latest "incredibly compelling" silver results from 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
- 2026-09-17 11:34:36 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Tertiary Minerals has reported high-grade silver-copper results from the Mushima North project in Zambia, including an 82m intercept at 107 g/t silver equivalent. The drilling suggests the Discovery Zone remains open at depth, with some holes extending beyond the current exploration target boundary.
Reasoning: The results report the project's highest-grade silver-copper intersection to date, with intercepts extending beyond previous boundaries and suggesting the zone remains open at depth.
Positive factors
- highest-grade silver-copper intersection to date
- mineralisation remains open at depth
- extension beyond current Exploration Target boundary
Facts used in scoring: 9
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Two of the four newly reported holes ended in mineralisation beyond the current Exploration Target boundary.
Evidence · text
“Two of the four newly reported holes ended in mineralisation beyond the current Exploration Target boundary.”
Extracted facts
Stored fact records: 9. Some facts used in scoring do not have a stored record.
Drill Results (9)
26TMNRC-066Mushima North · silverGrade: 89Grade Unit: g/tIntercept: 82 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-066
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 89
- Grade Unit
- g/t
- Intercept
- 82 m
- From
- 8 m
- To
- 90 m
- Intercept Depth
- 8 m
Classification
- Sample Type
- drill
- Group ID
- 26TMNRC-066:8-90
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: 89 g/t silver over 82m is a very strong intercept for this project.
Positive factors
- highest-grade silver-copper intersection yet
Evidence · text
“Hole 26TMNRC-066 returned 82m grading 89 g/t silver, 0.20% copper and 0.38% 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-066Mushima North · copperGrade: 0.2Grade Unit: %Intercept: 82 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-066
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 82 m
- From
- 8 m
- To
- 90 m
- Intercept Depth
- 8 m
Classification
- Sample Type
- drill
- Group ID
- 26TMNRC-066:8-90
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Copper grade is part of a high-grade silver intersection.
Evidence · text
“0.20% 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-066Mushima North · zincGrade: 0.38Grade Unit: %Intercept: 82 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-066
- Project
- Mushima North
- Commodity
- zinc
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 0.38
- Grade Unit
- %
- Intercept
- 82 m
- From
- 8 m
- To
- 90 m
- Intercept Depth
- 8 m
Classification
- Sample Type
- drill
- Group ID
- 26TMNRC-066:8-90
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Zinc grade is part of a high-grade silver intersection.
Evidence · text
“0.38% 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-066Mushima North · silverGrade: 165Grade Unit: g/tIntercept: 37 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-066
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 165
- Grade Unit
- g/t
- Intercept
- 37 m
Classification
- Sample Type
- drill
- Group ID
- 26TMNRC-066:sub-interval
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Significant high-grade silver enrichment within the main intercept.
Positive factors
- high-grade sub-interval
Evidence · text
“including a higher-grade 37m section at 165 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-066Mushima North · copperGrade: 0.28Grade Unit: %Intercept: 37 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-066
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 0.28
- Grade Unit
- %
- Intercept
- 37 m
Classification
- Sample Type
- drill
- Group ID
- 26TMNRC-066:sub-interval
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Copper grade in high-grade sub-interval.
Evidence · text
“0.28% 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-066Mushima North · zincGrade: 0.58Grade Unit: %Intercept: 37 mView all detailsHide details
Identity
- Hole ID
- 26TMNRC-066
- Project
- Mushima North
- Commodity
- zinc
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 0.58
- Grade Unit
- %
- Intercept
- 37 m
Classification
- Sample Type
- drill
- Group ID
- 26TMNRC-066:sub-interval
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Zinc grade in high-grade sub-interval.
Evidence · text
“0.58% 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
unspecifiedMushima North · copperGrade: 1.01Grade Unit: %Intercept: 5 mNeeds review: ungroundedView all detailsHide details
Identity
- Hole ID
- unspecified
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 1.01
- Grade Unit
- %
- Intercept
- 5 m
- From
- 101 m
- To
- 106 m
- Intercept Depth
- 101 m
Classification
- Sample Type
- drill
- Group ID
- unspecified:101-106
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Strong copper grade in a short intercept.
Evidence · text
“5m at 1.01% 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
unspecifiedMushima North · silverGrade: 164Grade Unit: g/tIntercept: 5 mNeeds review: ungroundedView all detailsHide details
Identity
- Hole ID
- unspecified
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 164
- Grade Unit
- g/t
- Intercept
- 5 m
- From
- 101 m
- To
- 106 m
- Intercept Depth
- 101 m
Classification
- Sample Type
- drill
- Group ID
- unspecified:101-106
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: High grade silver intercept.
Evidence · text
“164 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
unspecifiedMushima North · zincGrade: 0.15Grade Unit: %Intercept: 5 mNeeds review: ungroundedView all detailsHide details
Identity
- Hole ID
- unspecified
- Project
- Mushima North
- Commodity
- zinc
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 0.15
- Grade Unit
- %
- Intercept
- 5 m
- From
- 101 m
- To
- 106 m
- Intercept Depth
- 101 m
Classification
- Sample Type
- drill
- Group ID
- unspecified:101-106
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-17T00:00:00.000Z
Reasoning: Trace zinc grade.
Evidence · text
“0.15% 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
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.