Microchemical signatures of placer gold grains from the Gamba district, northern Cameroon: Implications for possible bedrock sources
Ore Geology Reviews(2022)
摘要
•Most gold grains display the marks of physical damage.•Hypogene source of alluvial deposits is local and proximal.•Hydrothermal orogenic mineralization is the type of hypogene source.•The granitoids and schists formations are suggested to host hypogene source.
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关键词
Alluvial gold,Geochemical signature,Gold microtexture,Gold composition,Gamba district,Cameroon
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