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Copper from Greenland Township, Ontonagon County, Michigan, USA

04512570014951792997059.jpg
Copper

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
06971030014946245207023.jpg
Copper

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
03955740014952474134048.jpg
Copper, etc.

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
04107500014946247848261.jpg
Copper

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
01562850014972358402532.jpg
Copper

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
03603540014986465754485.jpg
Copper

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
00898290014992475673087.jpg
Copper, etc.

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
02798440015000702013829.jpg
Copper

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
04512570014951792997059.jpg
Copper

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
06143900014952474138729.jpg
Copper

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
08204760014952474131967.jpg
Copper, etc.

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
09934990014952474135307.jpg
Copper

Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
USA
 
  • Michigan
    • Ontonagon County
      • Greenland Township
        • Greenland
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112. Rosemeyer, T. (1990) Through the Scope: Microminerals of the Caledonia Mine Ontonagon County, Michigan. Rocks & Minerals: 65(3): 240.
Lee A. Miller (1986) Index & Reference Guide for the Copper Mining Industry of Michigan Vol III Ontonagon County.
        • Winona
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
USGS PP144
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.
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.
Rocks & Minerals 80:3, 154-177
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.
Rocks & Min.:58:112
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.
 
Mineral and/or Locality  
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