Abstract
The minerals are molybdenite (inclusions in detrital pyrite), stromeyerite and proustite (with galena, associated with a dike), tennantite (both in the dike environment just mentioned and also as more widespread hydrothermal infiltrations into pyrite), dyscrasite (inclusions in detrital pyrite, suggesting a primary source similar to that at Cobalt, Ontario), safflorite (presumably a remobilized mineral, closely associated with similarly reconstituted gold), and hematite (as a replacement relic in pyrite). These genetic interpretations emphasize the polygenetic origin of the different ore components, and help account for the variety of controversial interpretations of the Witwatersrand banket ores.
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