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North American Mine, Phoenix, Keweenaw Co., Michigan, USA
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List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements
Copper1.AA.05Cu
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fluorapophyllite-(K)9.EA.15KCa4(Si8O20)(F,OH) · 8H2O
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified Minerals
'Chlorite Group'-
'Hornblende'-


9 entries listed. 7 valid minerals.

References

Henwood, W.J. (1871): Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1), 385-489.

Butler, B.S., and Burbank, W.S. (1929): The copper deposits of Michigan. USGS Prof. Paper 144, 238 pp.

Davidson, E.S., Espenshade, G.H., White, W.S., and Wright, J.C. (1955): Bedrock geology of the Mohawk quadrangle, Michigan. USGS Geol. Quad. Map GQ—54, scale 1:24,000.

Kaminski-Hamka, T. (2011): The Copper Mines of Keweenaw County, Michigan. Copperlady Press, 150 pp.

The Copper Country Rock & Mineral Club (2001): Red Gold and Tarnished Silver, 2nd Ed.

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