Tertiary Minerals is advancing encouraging Zambia project, with new value catalysts ahead
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, Resource update
- Extracted
- 2026-09-18 07:33:56 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Tertiary Minerals has reported significant high-grade silver-copper-zinc drill results at its Mushima North project in Zambia. Key intercepts include a 121m interval at 78 g/t silver equivalent and a 52m interval at 130 g/t silver equivalent, with mineralization appearing to remain open at depth.
Reasoning: The document reports multiple high-grade drill intercepts at the Mushima North project, including the company's best-ever silver equivalent intersection, with evidence of system continuity and depth extension.
Positive factors
- High-grade silver-copper-zinc intersections
- Mineralisation continuing beyond current exploration target
- System remains open at depth
- Transition from oxide to fresher sulphide rock observed
Facts used in scoring: 7
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 10m section at 238 g/t silver equivalent is exceptionally high grade.
Evidence · text
“10-metre interval returned 1.01% copper, 165 g/t silver and 0.78% zinc, equivalent to 238 g/t silver or 3.97% copper”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drilling shows mineralisation continuing beyond the current Exploration Target.
Evidence · text
“drilling showing mineralisation continuing beyond the current Exploration Target”
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
- resource
- Sample Type
- drill
- Group ID
- 26TMNRC-053:4-125
- Mining Method
- open_pit
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 78
- Metal Eq. Unit
- g/t silver equivalent
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-18T00:00:00.000Z
Reasoning: Exceptional width and high silver equivalent grade.
Positive factors
- Best silver-copper intersection yet
- Large width of 121m
Evidence · text
“Hole 26TMNRC-053 returned 121m at 56 g/t silver, 0.26% copper and 0.37% zinc, including 52m at 130 g/t silver equivalent and a 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
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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
- resource
- Sample Type
- drill
- Group ID
- 26TMNRC-053:4-125
- Mining Method
- open_pit
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-18T00:00:00.000Z
Reasoning: Standard copper grade in a 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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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
- resource
- Sample Type
- drill
- Group ID
- 26TMNRC-053:4-125
- Mining Method
- open_pit
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-18T00:00:00.000Z
Reasoning: Standard zinc grade in a 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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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
- Program
- resource
- Sample Type
- drill
- Group ID
- 26TMNRC-066:8-90
- Mining Method
- open_pit
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-18T00:00:00.000Z
Reasoning: Strong silver grade over a significant width.
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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
- Program
- resource
- Sample Type
- drill
- Group ID
- 26TMNRC-066:8-90
- Mining Method
- open_pit
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-18T00:00:00.000Z
Reasoning: Standard copper grade.
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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
- Program
- resource
- Sample Type
- drill
- Group ID
- 26TMNRC-066:8-90
- Mining Method
- open_pit
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-18T00:00:00.000Z
Reasoning: Standard zinc grade.
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-18T00:00:00.000Z
Reasoning: Exceptional width and high silver equivalent grade.
Positive factors
- Best silver-copper intersection yet
- Large width of 121m
Evidence · text
“including 52m at 130 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
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.