作者:Y Ntiamoah-Agyakwa · 1979 · 被引用次数:33 — Both manganese and gold occur as stratabound lenses within volcano-sedimentary sequence. Evidence of pre- and post-tectonic mineralizations are present.
The evolution of manganese minerals from anaerobic to aerobic species provoked a reducing environment which difficulted the precipitation of gold and other ores...
2018年5月13日 — Some of the gold bearing manganese is pretty clean found in layers in rocks. Easy to crush. Much is mixed with (iron???) sulfides. Nasty stuff when roasted.
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