Tertiary confirms more silver, base metal mineralisation at Mushima North
Aim-listed Tertiary Minerals has confirmed more silver, copper and zinc mineralisation at its majority-owned Mushima North project, in Zambia, following additional assay results received from drilling over the area.
The company holds 90% of Copernicus Minerals, which is the project owner.
The new results relate to samples from part of hole 24TMNAC006P, which is located 50 m west of a previously reported silver mineralised hole called 24TMNAC004.
Some notable new intersections include silver grading 30 g/t, copper grading 0.16% and zinc grading 0.34%, all from 20 m to 56 m downhole.
The samples now being reported for drill hole 24TMNAC006P had previously been submitted for check analysis for gold and were already available in final form for analysis at the laboratory, having been through the sample preparation stage of analysis.
The remaining samples from hole 24TMNAC006P and all samples from holes 24TMNAC003, 008P, 005, 015 and 023 have been submitted for multi-element analysis, which includes silver.
Previously reported analyses for these holes were for copper and zinc and were based on field portable X-ray fluorescence analysis, which is not a suitable method for silver analysis.
“We have taken the unusual step to release results from only part of this drill hole as we believe the results confirm the identification of polymetallic mineralisation at the A1 Target area,” Tertiary MD Richard Belcher explains.
He adds that silver mineralisation has now been intersected in two holes 50 m apart.
However, laboratory assay results for silver, as well as confirmation for copper and zinc, are still due for parts of both holes in addition to the entire lengths of a further five holes along the same drill line.
The drill line targets part of a silver in-soil geochemical anomaly that is about 1.4 km long and up to 300 m wide – and coincides with a broader zinc and copper anomaly.
The company now awaits remaining assay results before it plans the next steps in the exploration of the Mushima North prospect.
Notably, the Mushima North project lies 20 km east of the Kalengwa copper mine, in Zambia, which is one of the highest-grade copper deposits ever to be mined in the country.
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