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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
- 2026-09-18 16:03:11 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Tertiary Minerals PLC has identified a significant 400-metre-long higher-grade silver-copper-zinc zone at its Mushima North project in Zambia. Drilling indicates that the mineralisation extends beyond the current Exploration Target and remains open at depth.
Reasoning: Discovery of a 400m long higher-grade silver-copper-zinc zone that extends beyond the current exploration target and remains open at depth.
Positive factors
- Step-Out Extension
- High-grade zone
Facts used in scoring: 3
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drilling shows mineralisation extending beyond the current Exploration Target.
Evidence · text
“mineralisation extending beyond the current Exploration Target”
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Drill Results (3)
Fact 1Mushima North · silverIntercept: 400 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Intercept
- 400 m
Classification
- Program
- exploration
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-18T00:00:00.000Z
Reasoning: 400m zone identified extending beyond current exploration target.
Positive factors
- Step-Out Extension
Evidence · text
“roughly 400-metre-long higher-grade silver-copper-zinc zone at its Mushima North project in Zambia”
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
Rejected tags
Rejected tags — excluded from scoring because their label or evidence could not be verified.
Step-Out ExtensionRejected · positive
Mineralization extended beyond the previously known limit.
Reason: Mineralisation extends beyond the current Exploration Target.
Evidence · text
“mineralisation extending beyond the current Exploration Target”
Fact 2Mushima North · copperIntercept: 400 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Intercept
- 400 m
Classification
- Program
- exploration
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-18T00:00:00.000Z
Reasoning: Part of a 400m long higher-grade zone extending beyond target.
Positive factors
- Step-Out Extension
Evidence · text
“roughly 400-metre-long higher-grade silver-copper-zinc zone”
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
Rejected tags
Rejected tags — excluded from scoring because their label or evidence could not be verified.
Step-Out ExtensionRejected · positive
Mineralization extended beyond the previously known limit.
Reason: Mineralisation extends beyond the current Exploration Target.
Evidence · text
“mineralisation extending beyond the current Exploration Target”
Fact 3Mushima North · zincIntercept: 400 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Mushima North
- Commodity
- zinc
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Intercept
- 400 m
Classification
- Program
- exploration
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-18T00:00:00.000Z
Reasoning: Part of a 400m long higher-grade zone extending beyond target.
Positive factors
- Step-Out Extension
Evidence · text
“roughly 400-metre-long higher-grade silver-copper-zinc zone”
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
Rejected tags
Rejected tags — excluded from scoring because their label or evidence could not be verified.
Step-Out ExtensionRejected · positive
Mineralization extended beyond the previously known limit.
Reason: Mineralisation extends beyond the current Exploration Target.
Evidence · text
“mineralisation extending beyond the current Exploration Target”
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.