# Tertiary Minerals latest drill results sees Discovery Zone advancing Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/tertiary-minerals-latest-drill-results-sees-discovery-zone-advancing--394d13b2-1862-49ae-a0e8-5debd8341790 Original source: https://www.proactiveinvestors.com/companies/news/1097463/tertiary-minerals-latest-drill-results-sees-discovery-zone-advancing-1097463.html Publisher: proactiveinvestors Original announcement: 2026-08-24T07:39:58.251Z 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: Copper - Secondary commodities: Silver - Document categories: Drill results - Extracted: 2026-08-24 08:05:20 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas 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 factor: broad copper intersections - Positive factor: support for existing exploration target - Positive factor: advancing towards maiden resource - Negative factor: pXRF silver readings are less reliable - Negative factor: assays still pending certified lab results Facts used in scoring: 5 ## Classification and evidence **QA/QC Disclosed** Polarity: positive Definition: 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 A1 [Link to this fact](https://atlas-staging.minestarters.com/news/tertiary-minerals-latest-drill-results-sees-discovery-zone-advancing--394d13b2-1862-49ae-a0e8-5debd8341790#fact-drill-facts-0) Mushima North · copper #### 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 factor: broad intersection - Negative factor: low grade Evidence · text > 66 metres grading 0.30% copper from 14 metres downhole ### Target A1 [Link to this fact](https://atlas-staging.minestarters.com/news/tertiary-minerals-latest-drill-results-sees-discovery-zone-advancing--394d13b2-1862-49ae-a0e8-5debd8341790#fact-drill-facts-1) Mushima North · copper #### 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 factor: broad intersection - Negative factor: low grade Evidence · text > 68 metres at 0.28% copper from 13 metres ### Target A1 [Link to this fact](https://atlas-staging.minestarters.com/news/tertiary-minerals-latest-drill-results-sees-discovery-zone-advancing--394d13b2-1862-49ae-a0e8-5debd8341790#fact-drill-facts-2) Mushima North · copper #### 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 factor: higher-grade section Evidence · text > 7 metres at 0.52% copper ### Target A1 [Link to this fact](https://atlas-staging.minestarters.com/news/tertiary-minerals-latest-drill-results-sees-discovery-zone-advancing--394d13b2-1862-49ae-a0e8-5debd8341790#fact-drill-facts-3) Mushima North · copper #### 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 factor: higher-grade section Evidence · text > 5 metres at 0.57% ### Target A1 [Link to this fact](https://atlas-staging.minestarters.com/news/tertiary-minerals-latest-drill-results-sees-discovery-zone-advancing--394d13b2-1862-49ae-a0e8-5debd8341790#fact-drill-facts-4) Mushima North · silver #### 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 factor: 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.