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Gypsum from
Isle Royal Mines, Portage Township, Houghton County, Michigan, USA


Locality type:Mine
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:5924
Long-form Identifier:1:3:5924:4
GUID (UUID V4):0
Localities for Gypsum in this Region
Isle Royal No. 4 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
Isle Royal No. 5 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
Isle Royal No. 6 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
Nearest other occurrences of Gypsum
0.0km (0.0 miles) ⓘIsle Royal No. 4 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
0.6km (0.4 miles) ⓘIsle Royal No. 5 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
1.2km (0.7 miles) ⓘIsle Royal No. 6 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
4.4km (2.7 miles) ⓘQuincy Mine, Quincy Township, Houghton County, Michigan, USA
9.2km (5.7 miles) ⓘChampion Mine, Champion Mine, Adams Township, Houghton County, Michigan, USA
23.3km (14.5 miles) ⓘKearsarge, Calumet Township, Houghton County, Michigan, USA
28.3km (17.6 miles) ⓘNonesuch Shale, Allouez Township, Keweenaw County, Michigan, USA
28.9km (18.0 miles) ⓘMohawk Mine, Mohawk, Allouez Township, Keweenaw County, Michigan, USA
30.2km (18.8 miles) ⓘIroquois Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA
36.6km (22.7 miles) ⓘCliff Mine, Allouez Township, Keweenaw County, Michigan, USA
References
Wilson, Marc L., II, Stanley J. Dyl (1992) The Michigan Copper Country. The Mineralogical Record, 23 (2) 1-76
 
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