Tertiary Minerals announces results from Phase 4 infill drilling at Zambia project
Original announcement by miningweekly on
- Company
- Tertiary Minerals
- Ticker
- Unavailable
- Exchange
- Unavailable
- Region
- Zambia
- Primary commodity
- Silver
- Secondary commodities
- Copper, Zinc
- Document categories
- Drill results
- Extracted
- 2026-09-07 14:34:05 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Tertiary Minerals has announced additional Phase 4 infill drilling results from its Mushima North project in Zambia. The results include high-grade silver-equivalent intercepts that extend the known mineralisation at depth within the Discovery zone.
Reasoning: Infill drilling at the Discovery zone has extended mineralisation at depth with high-grade silver-equivalent intercepts, though specific QA/QC protocols are not detailed in this release.
Positive factors
- Step-Out Extension
- High-grade intercepts
Negative factors
- No QA/QC Disclosure
Facts used in scoring: 4

Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Results extend the mineralisation at depth beyond the previously defined exploration target.
Evidence · text
“extend the mineralisation at depth with the majority of holes ending in mineralisation”
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: The release does not mention specific QA/QC protocols, lab certification, or QP sign-off.
Evidence · text
“Additional laboratory results are expected over the coming weeks”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The announcement explicitly describes the program as Phase 4 infill drilling.
Evidence · text
“Phase 4 infill drilling”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Drill Results (4)
Fact 1Mushima North · silverGrade: 53Grade Unit: g/tIntercept: 82 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
Geometry
- Grade
- 53
- Grade Unit
- g/t
- Intercept
- 82 m
- From
- 7 m
- To
- 89 m
- Intercept Depth
- 7 m
Classification
- Sample Type
- drill
- Group ID
- unknown:7-89
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 53
- Metal Eq. Unit
- g/t silver-equivalent
- Assumptions Disclosed
- No
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-07T00:00:00.000Z
Reasoning: 82m intercept at 53 g/t AgEq is a significant width and grade for this exploration target.
Positive factors
- Strong intercept width
Evidence · text
“82 m at 53 g/t silver-equivalent (0.88% copper-equivalent) from only 7 m below surface”
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.
Why it applies: an equivalent grade is reported without its assumptions
Fact 2Mushima North · copperGrade: 0.88Grade Unit: %Intercept: 82 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- zambia
Geometry
- Grade
- 0.88
- Grade Unit
- %
- Intercept
- 82 m
- From
- 7 m
- To
- 89 m
- Intercept Depth
- 7 m
Classification
- Sample Type
- drill
- Group ID
- unknown:7-89
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 0.88
- Metal Eq. Unit
- % copper-equivalent
- Assumptions Disclosed
- No
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-07T00:00:00.000Z
Reasoning: Copper equivalent component of the high-grade silver intercept.
Evidence · text
“82 m at 53 g/t silver-equivalent (0.88% copper-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.
Why it applies: an equivalent grade is reported without its assumptions
Fact 3Mushima North · silverGrade: 105Grade Unit: g/tIntercept: 22 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Mushima North
- Commodity
- silver
- Region
- zambia
- Reported Region
- zambia
Geometry
- Grade
- 105
- Grade Unit
- g/t
- Intercept
- 22 m
- From
- 64 m
- To
- 86 m
- Intercept Depth
- 64 m
Classification
- Sample Type
- drill
- Group ID
- unknown:64-86
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 105
- Metal Eq. Unit
- g/t silver equivalent
- Assumptions Disclosed
- No
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-07T00:00:00.000Z
Reasoning: High-grade intercept of 105 g/t AgEq provides strong support for the higher-grade zone.
Positive factors
- High grade
Evidence · text
“22 m at 105 g/t silver equivalent (1.75% copper equivalent) from 64 m”
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.
Why it applies: an equivalent grade is reported without its assumptions
Fact 4Mushima North · copperGrade: 1.75Grade Unit: %Intercept: 22 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Mushima North
- Commodity
- copper
- Region
- zambia
- Reported Region
- zambia
Geometry
- Grade
- 1.75
- Grade Unit
- %
- Intercept
- 22 m
- From
- 64 m
- To
- 86 m
- Intercept Depth
- 64 m
Classification
- Sample Type
- drill
- Group ID
- unknown:64-86
QA/QC
- QA/QC Methods
- standards
Metal Equivalent
- Metal Eq. Grade
- 1.75
- Metal Eq. Unit
- % copper equivalent
- Assumptions Disclosed
- No
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-07T00:00:00.000Z
Reasoning: Copper equivalent component of the high-grade silver intercept.
Evidence · text
“22 m at 105 g/t silver equivalent (1.75% copper 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.
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.