# Tertiary Minerals show more high grade results from Mushima North Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/tertiary-minerals-show-more-high-grade-results-from-mushima-north--8447eddf-1918-449c-8cbc-41082aa5205d Original source: https://www.proactiveinvestors.com/companies/news/1098736/tertiary-minerals-show-more-high-grade-results-from-mushima-north-1098736.html Publisher: proactiveinvestors Original announcement: 2026-09-18T07:19:21.849Z 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, Other - Extracted: 2026-09-18 07:33:53 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Tertiary Minerals has reported high-grade silver-copper-zinc drill results from the Mushima North project in Zambia, including a 52m intercept at 99 g/t Ag and a 10m intercept at 165 g/t Ag. The results indicate mineralisation is extending beyond previous targets and remains open at depth, with a new shallow copper discovery also noted at the Western Zone. Reasoning: Strong high-grade intercepts in a known discovery zone and evidence of extension beyond previous boundaries. - Positive factor: High-grade silver-copper-zinc intercepts reported - Positive factor: Mineralisation extending beyond current Exploration Target - Positive factor: New shallow copper discovery at Western Zone - Positive factor: Mineralisation remains open at depth Facts used in scoring: 7 ## Classification and evidence **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: Drilling showed mineralisation continuing beyond the current Exploration Target and existing modelled boundary. Evidence · text > drilling showing mineralisation continuing beyond the current Exploration Target **Bonanza Intercept** Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Why it applies: 165 g/t silver is exceptionally high for the reported context. Evidence · text > 165 g/t silver ## Extracted facts Stored fact records: 7. Some facts used in scoring do not have a stored record. ## Drill Results (7) ### Fact 1 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-show-more-high-grade-results-from-mushima-north--8447eddf-1918-449c-8cbc-41082aa5205d#fact-drill-facts-0) Mushima North · silver Needs review: drill\_no\_hole\_id #### Identity - Project: Mushima North - Commodity: silver - Region: zambia - Reported Region: zambia - Ticker: TYM #### Geometry - Grade: 99 - Grade Unit: g/t - Intercept: 52 m - From: 39 m - To: 91 m - Intercept Depth: 39 m #### Classification - Sample Type: drill - Group ID: Mushima\_North:39-91 #### Location - Location: Discovery Zone - Loc. Source: document #### QA/QC - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 130 - Metal Eq. Unit: g/t silver #### 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 intercept over significant width. - Positive factor: Strong intersection in Discovery Zone Evidence · text > 52 metres grading 99 grams per tonne silver, 0.41% copper and 0.43% zinc from 39 metres downhole, equivalent to 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 **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 ### Fact 2 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-show-more-high-grade-results-from-mushima-north--8447eddf-1918-449c-8cbc-41082aa5205d#fact-drill-facts-1) Mushima North · copper Needs review: drill\_no\_hole\_id #### Identity - Project: Mushima North - Commodity: copper - Region: zambia - Reported Region: zambia - Ticker: TYM #### Geometry - Grade: 0.41 - Grade Unit: % - Intercept: 52 m - From: 39 m - To: 91 m - Intercept Depth: 39 m #### Classification - Sample Type: drill - Group ID: Mushima\_North:39-91 #### Location - Location: Discovery Zone - Loc. Source: document #### QA/QC - QA/QC Methods: standards #### 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: Part of a high-grade polymetallic intercept. Evidence · text > 0.41% 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 ### Fact 3 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-show-more-high-grade-results-from-mushima-north--8447eddf-1918-449c-8cbc-41082aa5205d#fact-drill-facts-2) Mushima North · zinc Needs review: drill\_no\_hole\_id #### Identity - Project: Mushima North - Commodity: zinc - Region: zambia - Reported Region: zambia - Ticker: TYM #### Geometry - Grade: 0.43 - Grade Unit: % - Intercept: 52 m - From: 39 m - To: 91 m - Intercept Depth: 39 m #### Classification - Sample Type: drill - Group ID: Mushima\_North:39-91 #### Location - Location: Discovery Zone - Loc. Source: document #### QA/QC - QA/QC Methods: standards #### 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: Part of a high-grade polymetallic intercept. Evidence · text > 0.43% 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 ### Fact 4 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-show-more-high-grade-results-from-mushima-north--8447eddf-1918-449c-8cbc-41082aa5205d#fact-drill-facts-3) Mushima North · silver Needs review: drill\_no\_hole\_id #### Identity - Project: Mushima North - Commodity: silver - Region: zambia - Reported Region: zambia - Ticker: TYM #### Geometry - Grade: 165 - Grade Unit: g/t - Intercept: 10 m #### Classification - Sample Type: drill #### Location - Location: Discovery Zone - Loc. Source: document #### QA/QC - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 238 - Metal Eq. Unit: g/t silver #### 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 silver grade over 10m. - Positive factor: Very high grade silver 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 #### 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 ### Fact 5 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-show-more-high-grade-results-from-mushima-north--8447eddf-1918-449c-8cbc-41082aa5205d#fact-drill-facts-4) Mushima North · copper Needs review: drill\_no\_hole\_id #### Identity - Project: Mushima North - Commodity: copper - Region: zambia - Reported Region: zambia - Ticker: TYM #### Geometry - Grade: 1.01 - Grade Unit: % - Intercept: 10 m #### Classification - Sample Type: drill #### Location - Location: Discovery Zone - Loc. Source: document #### QA/QC - QA/QC Methods: standards #### Metal Equivalent - Metal Eq. Grade: 3.97 - Metal Eq. Unit: % copper #### 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: Strong copper grade within a high-grade silver interval. Evidence · text > 1.01% 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 **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 ### Fact 6 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-show-more-high-grade-results-from-mushima-north--8447eddf-1918-449c-8cbc-41082aa5205d#fact-drill-facts-5) Mushima North · zinc Needs review: drill\_no\_hole\_id #### Identity - Project: Mushima North - Commodity: zinc - Region: zambia - Reported Region: zambia - Ticker: TYM #### Geometry - Grade: 0.78 - Grade Unit: % - Intercept: 10 m #### Classification - Sample Type: drill #### Location - Location: Discovery Zone - Loc. Source: document #### QA/QC - QA/QC Methods: standards #### 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: Zinc component of high-grade interval. Evidence · text > 0.78% 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 ### Fact 7 [Link to this fact](https://atlas-extractions.minestarters.com/news/tertiary-minerals-show-more-high-grade-results-from-mushima-north--8447eddf-1918-449c-8cbc-41082aa5205d#fact-drill-facts-6) Mushima North · copper Needs review: drill\_no\_hole\_id #### Identity - Project: Mushima North - Commodity: copper - Region: zambia - Reported Region: zambia - Ticker: TYM #### Geometry - Grade: 0.38 - Grade Unit: % - Intercept: 25 m - From: 19 m - To: 44 m - Intercept Depth: 19 m #### Classification - Sample Type: drill - Group ID: Mushima\_North:19-44 #### Location - Location: Western Zone - Loc. Source: document #### QA/QC - QA/QC Methods: standards #### 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: Preliminary pXRF results for a new discovery; lower confidence than lab assays. - Positive factor: New shallow discovery - Negative factor: Preliminary pXRF results Evidence · text > preliminary pXRF results included 25 metres at 0.38% copper from 19 metres #### 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.