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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, Agreement transaction
- Extracted
- 2026-09-18 12:01:59 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Tertiary Minerals PLC has identified a 400-metre-long higher-grade silver-copper-zinc zone at its Mushima North project in Zambia. The drilling results indicate that the mineralisation extends beyond the current Exploration Target and remains open at depth.
Reasoning: The announcement reports a significant new higher-grade silver-copper-zinc zone at the Mushima North project that extends beyond previous targets.
Positive factors
- higher-grade zone identified
- mineralisation extends beyond Exploration Target
- remains open at depth
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
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Mining Method
- unknown
Location
- Location
- Mushima North
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- QP Signed
- No
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Metal Equivalent
- Assumptions Disclosed
- No
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: Identified a significant 400m zone, though specific grades for silver were not provided in the summary text.
Positive factors
- 400m length
- higher-grade zone
Negative factors
- grades not explicitly stated in this snippet
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
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
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- Mushima North:400m_zone
- Mining Method
- unknown
Location
- Location
- Mushima North
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- QP Signed
- No
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Metal Equivalent
- Assumptions Disclosed
- No
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 the 400m polymetallic zone.
Positive factors
- 400m length
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
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
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- Mushima North:400m_zone
- Mining Method
- unknown
Location
- Location
- Mushima North
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- QP Signed
- No
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Metal Equivalent
- Assumptions Disclosed
- No
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 the 400m polymetallic zone.
Positive factors
- 400m length
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
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.