• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

Cassiterite (SnO2) samples were collected from alluvial ore concentrate from the Abu Dabbab Granite in eastern Egypt. Samples (in the form of mounted loose grains) were prepared and analyzed for...

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• Organization: Department of the Interior
• Updated: 2021-06-21T00:00:00Z

Surficial geology (geo7_2ag).

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• Organization: Department of the Interior
• Updated: 2021-06-21T00:00:00Z

This coverage includes arcs, polygons and polygon labels that describe U.S. Geological Survey defined geologic provinces of the Africa. Each province has a set of geologic characteristics...

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