Speccy , was wondering if you or anyone had picked up any idea of the geology and or metallurgy of what's been discovered ?
Did find this in general for the region :There are essentially two kinds of gold deposit that occur in the Siguiri basin: laterite or CAP mineralisation and in situ quartz vein-related mineralisation. The first appears as aprons of colluvial or as palaeo-channels of alluvial lateritic gravel adjacent to, and directly above, the latter.
The quartz vein-related mineralisation is hosted in meta-sediments with the better mineralisation associated with vein stockworks that occurs preferentially in the coarser, brittle siltstones and sandstones. The mineralised rocks have been deeply weathered to below 100m in places to form saprolite or SAP mineralisation.
Ann: STRONG WIDE GOLD INTERCEPTS FROM BANKAN CREEK AND NE BANKAN, page-174
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