Old Copper Falls Fissure Mine, Copper Falls Mine, Copper Falls, Keweenaw Co., Michigan, USA
REF:Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF. PAPER NO. 144, 238 PP
Deposit:: CORNWALL, H.R., AND WRIGHT, J.C., 1954, BEDROCK GEOLOGY OF THE EAGLE HARBOR QUADRANGLE, MICHIGAN; USGS MAP GQ-36, SCALE 1: 24000
Commodities (Major) - Copper
Development Status: Past Producer
Deposit Model: 96: Native Cu
Host Rock Unit: Portage Lake Volcanics
Host Rock: Basalt
1 entry listed. 1 valid mineral.
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