Tertiary Minerals latest drill results sees Discovery Zone advancing
Original announcement by proactiveinvestors on
- Company
- Tertiary Minerals PLC
- Ticker
- TYM
- Exchange
- Unavailable
- Region
- Zambia
- Primary commodity
- Copper
- Secondary commodities
- Silver
- Document categories
- Drill results
- Extracted
- 2026-08-24 08:05:20 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Tertiary Minerals reported final preliminary results from its Phase 4 drilling at the Mushima North project in Zambia. The results include broad copper intersections and support the company's existing exploration target as it moves toward a maiden mineral resource estimate.
Reasoning: The results show broad copper mineralization and support the scale of the Discovery Zone, though the highest grade intercepts are relatively low-grade for a discovery and silver values are currently based on less reliable pXRF readings.
Positive factors
- broad copper intersections
- support for existing exploration target
- advancing towards maiden resource
Negative factors
- pXRF silver readings are less reliable
- assays still pending certified lab results
Facts used in scoring: 5
Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The company stated all samples have been submitted for certified laboratory analysis.
Evidence · text
“All selected samples have now been submitted for certified laboratory analysis”
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Drill Results (5)
Target A1Mushima North · copperGrade: 0.3Grade Unit: %Intercept: 66 mView all detailsHide details
Identity
- Hole ID
- Target A1
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- Zambia
- Ticker
- TYM
Geometry
- Grade
- 0.3
- Grade Unit
- %
- Intercept
- 66 m
- From
- 14 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- Target A1:14-80
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-24T00:00:00.000Z
Reasoning: 66m at 0.30% Cu is a broad but low-grade intersection.
Positive factors
- broad intersection
Negative factors
- low grade
Evidence · text
“66 metres grading 0.30% copper from 14 metres downhole”
Target A1Mushima North · copperGrade: 0.28Grade Unit: %Intercept: 68 mView all detailsHide details
Identity
- Hole ID
- Target A1
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- Zambia
- Ticker
- TYM
Geometry
- Grade
- 0.28
- Grade Unit
- %
- Intercept
- 68 m
- From
- 13 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- Target A1:13-81
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-24T00:00:00.000Z
Reasoning: 68m at 0.28% Cu is a broad but low-grade intersection.
Positive factors
- broad intersection
Negative factors
- low grade
Evidence · text
“68 metres at 0.28% copper from 13 metres”
Target A1Mushima North · copperGrade: 0.52Grade Unit: %Intercept: 7 mView all detailsHide details
Identity
- Hole ID
- Target A1
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- Zambia
- Ticker
- TYM
Geometry
- Grade
- 0.52
- Grade Unit
- %
- Intercept
- 7 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- Target A1:sub-interval
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-24T00:00:00.000Z
Reasoning: 7m at 0.52% Cu is a higher-grade section within the target.
Positive factors
- higher-grade section
Evidence · text
“7 metres at 0.52% copper”
Target A1Mushima North · copperGrade: 0.57Grade Unit: %Intercept: 5 mView all detailsHide details
Identity
- Hole ID
- Target A1
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- Zambia
- Ticker
- TYM
Geometry
- Grade
- 0.57
- Grade Unit
- %
- Intercept
- 5 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- Target A1:sub-interval
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-24T00:00:00.000Z
Reasoning: 5m at 0.57% Cu is a higher-grade section within the target.
Positive factors
- higher-grade section
Evidence · text
“5 metres at 0.57%”
Target A1Mushima North · silverGrade: 144Grade Unit: g/tView all detailsHide details
Identity
- Hole ID
- Target A1
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- Zambia
- Ticker
- TYM
Geometry
- Grade
- 144
- Grade Unit
- g/t
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- Target A1:pXRF
Review
- Needs Review
- No
- Interp. Status
- low_confidence
- Historical
- No
Dates
- Event date
- 2026-08-24T00:00:00.000Z
Reasoning: Silver values are based on pXRF readings which the company cautioned are less reliable.
Negative factors
- pXRF analysis is less reliable
Evidence · text
“silver values of up to... 144 g/t within the wider 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.