# Tertiary Minerals is advancing encouraging Zambia project, with new value catalysts ahead Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/tertiary-minerals-is-advancing-encouraging-zambia-project-with-new-value-catalys--67eaaa9e-15da-4b83-b590-3064e35cb959 Original source: https://www.proactiveinvestors.com/companies/news/1075289/tertiary-minerals-is-advancing-encouraging-zambia-project-with-new-value-catalysts-ahead-1075289.html Publisher: proactiveinvestors Original announcement: 2026-09-18T07:31:21.847Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - 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 Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas 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 factor: High-grade silver-copper-zinc intersections - Positive factor: Mineralisation continuing beyond current exploration target - Positive factor: System remains open at depth - Positive factor: Transition from oxide to fresher sulphide rock observed Facts used in scoring: 7 ## Classification and evidence **Bonanza Intercept** Polarity: positive Definition: 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 Extension** Polarity: positive Definition: 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-053 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-is-advancing-encouraging-zambia-project-with-new-value-catalys--67eaaa9e-15da-4b83-b590-3064e35cb959#fact-drill-facts-0) Mushima North · silver #### 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 factor: Best silver-copper intersection yet - Positive factor: 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 Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Metal Equivalent Opaque** Polarity: negative Definition: 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 Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" ### 26TMNRC-053 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-is-advancing-encouraging-zambia-project-with-new-value-catalys--67eaaa9e-15da-4b83-b590-3064e35cb959#fact-drill-facts-1) Mushima North · copper #### 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 Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" ### 26TMNRC-053 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-is-advancing-encouraging-zambia-project-with-new-value-catalys--67eaaa9e-15da-4b83-b590-3064e35cb959#fact-drill-facts-2) Mushima North · zinc #### 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 Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" ### 26TMNRC-066 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-is-advancing-encouraging-zambia-project-with-new-value-catalys--67eaaa9e-15da-4b83-b590-3064e35cb959#fact-drill-facts-3) Mushima North · silver #### 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 factor: 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 Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" ### 26TMNRC-066 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-is-advancing-encouraging-zambia-project-with-new-value-catalys--67eaaa9e-15da-4b83-b590-3064e35cb959#fact-drill-facts-4) Mushima North · copper #### 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 Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" ### 26TMNRC-066 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-is-advancing-encouraging-zambia-project-with-new-value-catalys--67eaaa9e-15da-4b83-b590-3064e35cb959#fact-drill-facts-5) Mushima North · zinc #### 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 Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" ### 26TMNRC-053 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-is-advancing-encouraging-zambia-project-with-new-value-catalys--67eaaa9e-15da-4b83-b590-3064e35cb959#fact-drill-facts-6) Mushima North · silver #### 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 factor: Best silver-copper intersection yet - Positive factor: Large width of 121m Evidence · text > including 52m at 130 g/t silver #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: 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.