Cleve-Avon Group (Franklin Mine; Cleve - Avon Mine; Hull; Barbour; Clipper), Bryant District (Hecla District), Beaverhead Co., Montana, USA

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An underground mine working a replacement deposit in dolomitic limestone of the Cambrian Meagher Formation.
Ref: Montana Bureau of Mines and Geology Special Publication 75, 1977

Mineral List:

Cerussite
var: Argentiferous Cerussite
Galena

Quartz
Tetrahedrite

4 entries listed. 3 valid minerals.

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