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Calcite from
Portage Mine (Grand Portage Mine), Houghton, Houghton County, Michigan, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Portage Mine (Grand Portage Mine), Houghton, Houghton County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:405056
Long-form Identifier:1:3:405056:8
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.3km (0.2 miles) ⓘSheldon-Columbian Mine, Houghton, Houghton County, Michigan, USA
0.3km (0.2 miles) ⓘSheldon Mine, Sheldon-Columbian Mine, Houghton, Houghton County, Michigan, USA
0.3km (0.2 miles) ⓘIsle Royal No. 1 shaft, Isle Royal Mines, Houghton, Houghton County, Michigan, USA
1.6km (1.0 miles) ⓘHuron Creek occurrences, Houghton, Houghton County, Michigan, USA
1.9km (1.2 miles) ⓘRipley Exploration Prospect, Ripley, Franklin Township, Houghton County, Michigan, USA
1.9km (1.2 miles) ⓘHuron Mine (Houghton Mine), Houghton, Houghton County, Michigan, USA
2.2km (1.4 miles) ⓘIsle Royal Mines, Portage Township, Houghton County, Michigan, USA
2.2km (1.4 miles) ⓘIsle Royal No. 4 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
2.4km (1.5 miles) ⓘNaumkeag Mine, Houghton, Houghton County, Michigan, USA
2.4km (1.5 miles) ⓘQuincy Mine, Quincy Township, Houghton County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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