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LONDON - Tertiary Minerals plc (AIM:TYM) has intersected its highest-grade silver and copper mineralization to date at its Mushima North Project in Zambia, according to a press release statement issued Wednesday.
The company reported that drill hole 25TMNAC-038 returned 58 meters grading 49 g/t silver, 0.26% copper and 0.16% zinc from 8 meters depth, including a higher-grade section of 9 meters at 124 g/t silver, 0.73% copper and 0.25% zinc from 57 meters.
The latest results from three drill holes have extended the mineralization footprint at the Target A1 prospect by approximately 100 meters northward. The near-surface mineralization now covers an area measuring 450 meters by 400 meters and remains open to the north/northwest, south/southeast and at depth.
Located in Zambia’s Iron-Oxide-Copper-Gold region, the Target A1 prospect is situated 28 kilometers east of the historic Kalengwa copper-silver mine, which is currently being redeveloped.
"These additional results have also extended the surface footprint of the mineralization to the north by approximately 100 meters," said Richard Belcher, Managing Director of Tertiary Minerals, in the release.
The Phase 2 drill program consisted of 1,116 meters of combined Air Core and Reverse Circulation drilling. The mineralization at Target A1 is associated with a massive, hematitic and carbonaceous silty-sandy conglomerate, with copper appearing as secondary minerals malachite and chrysocolla.
Tertiary Minerals holds the Mushima North Project through its 90%-owned subsidiary Copernicus Minerals Limited, with local partner Mwashia Resources Limited owning the remaining 10%.
The project operates under a technical cooperation agreement with First Quantum Minerals Limited, allowing Tertiary to access historic exploration data, though the agreement does not include commercial restrictions or rights of first refusal.
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