The Solwezi Prospecting Licence is situated in the Copperbelt region of Zambia directly across the international border from the Kipushi copper-zinc mine in the Democratic Republic of Congo.
The Licence is held in the name of Zamgold Zambia Limited, a wholly owned subsidiary of Adastra. The Solwezi Licence was acquired in July 1996 to explore the potential for a down dip extension of the Kipushi orebody in Zambia.
From May to August 1997, Zamgold conducted a detailed geochemical soil sampling program over the area immediately west of the Kipushi Mine that identified the Katwishi Cu-Zn prospect, a NNE striking copper and zinc anomaly. Geophysical follow-up surveys (Electromagnetic (EM), Induced Polarization (IP), ground magnetometer) conducted in December 1997 and April 1998 respectively revealed a zone of coincident geophysical and base metal soil geochemical anomalies. A diamond drilling campaign was undertaken during May/June 1998 totalling 743 meters. The drilling campaign failed to intersect significant base metal mineralization.
A subsequent reinterpretation of the data identified four target areas for a Mobile Metal Ion (MMI) survey, the results of which showed a significant correlation between copper, zinc and cadmium over the Katwishi prospect. A Reverse Circulation (RC) drilling campaign was undertaken during April/May 2000. In all some 13 holes totalling some 2,320 meters were drilled.
In June 2000, Pat Forward, a senior geologist at ACA Howe International Ltd., reported that trace disseminated copper and zinc mineralization was intersected, though the drilling failed to identify any Kipushi-style massive sulfide mineralization.
The Solwezi licence was renewed in October 2005.
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