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LONDON - Tertiary Minerals plc (AIM:TYM) has confirmed copper mineralization at its Jacks Copper Project in Zambia through initial drilling results, according to a statement released Thursday.
The project, located approximately 50km south of the Central African Copperbelt, revealed several significant copper intersections during the company’s 2022 drilling program. Notable results include 1.8% copper over 6.0 meters from 105 meters downhole and 0.8% copper over 14.0 meters from 27 meters downhole.
The Jacks Project spans approximately 70.6 square kilometers in Zambia’s Central Province and targets sedimentary copper within the Lower Roan Subgroup. The site features a significant fold structure with copper-in-soil anomalies extending approximately 18km along the fold limbs.
Previous exploration work at the site included historic soil sampling from the 1990s, geophysical surveys, and drilling programs conducted by Caledonia Mining (NYSE:CMCL) Corporation and Cyprus AMAX Minerals. These earlier efforts identified two separate zones of copper mineralization within the fold hinge area.
Tertiary Minerals holds the license through its 96% owned subsidiary, Tertiary Minerals (Zambia) Limited, with local partner Mwashia Resources Limited. The Jacks Project is one of five copper-focused exploration projects the company currently maintains in Zambia.
The company’s initial four-hole diamond drilling program in 2022 was designed to confirm mineralization reported in earlier drilling campaigns. Analysis of the core samples was conducted by SGS (SIX:SGSN) Laboratories in Kalulushi, Zambia.
According to the press release statement, the project represents a copper target in an underexplored region with potential for both near-surface lower grade mineralization and higher grade mineralization at depth.
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