Tertiary Minerals MD: High-grade zone at Mushima North "holding together very nicely"
Original announcement by proactiveinvestors on
- Company
- Tertiary Minerals PLC
- Ticker
- TYM
- Exchange
- Unavailable
- Region
- Zambia
- Primary commodity
- Silver
- Secondary commodities
- Copper
- Document categories
- Drill results, Resource update
- Extracted
- 2026-09-18 11:50:13 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Tertiary Minerals has reported encouraging drill results at the Mushima North project in Zambia, including a significant 82m intercept at 107 g/t silver equivalent. The drilling has extended the mineralised zone beyond previous boundaries and demonstrated grade consistency, supporting the company's goal of a maiden Mineral Resource by year-end.
Reasoning: The announcement reports significant high-grade silver equivalent drill intercepts and successful zone extension, which are key catalysts for the upcoming maiden Mineral Resource.
Positive factors
- High-grade silver equivalent intercept reported
- Mineralisation extended beyond existing Exploration Target boundary
- Grade consistency noted across wider zone
- Presence of copper and critical minerals (bismuth, antimony)
Facts used in scoring: 2
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drilling successfully extended the zone beyond the existing Exploration Target boundary.
Evidence · text
“Several drill holes have also ended in mineralisation beyond the existing Exploration Target boundary.”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 191 g/t silver equivalent is exceptionally high for the context.
Evidence · text
“37 metres at 191 grams per tonne”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The document mentions the results are from a drilling programme, though specific lab/QP details are in the interview context.
Evidence · text
“latest drilling results from Mushima North”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Drill Results (2)
Fact 1Mushima North · silverGrade: 107Grade Unit: g/tIntercept: 82 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 107
- Grade Unit
- g/t
- Intercept
- 82 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 107
- Metal Eq. Unit
- g/t silver equivalent
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: High-grade silver equivalent intercept over a substantial width.
Positive factors
- Significant width and high grade
Evidence · text
“82 metres at 107 grams per tonne 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
Metal Equivalent Opaquenegative
Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.
Why it applies: an equivalent grade is reported without its assumptions
Fact 2Mushima North · silverGrade: 191Grade Unit: g/tIntercept: 37 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
- Ticker
- TYM
Geometry
- Grade
- 191
- Grade Unit
- g/t
- Intercept
- 37 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 191
- Metal Eq. Unit
- g/t silver equivalent
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: Exceptional high-grade component of the main intercept.
Positive factors
- High-grade sub-interval
Evidence · text
“including 37 metres at 191 grams per tonne”
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
Metal Equivalent Opaquenegative
Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.
Why it applies: an equivalent grade is reported without its assumptions
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.