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Prehnite from
Copper Creek prospects, Douglas County, Wisconsin, USA


Locality type:Prospect
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Copper Creek prospects, Douglas County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:241959
Long-form Identifier:1:3:241959:6
GUID (UUID V4):0
Nearest other occurrences of Prehnite
5.5km (3.4 miles) ⓘFond du Lac copper prospect, Douglas County, Wisconsin, USA
7.6km (4.7 miles) ⓘMabel Nelson Road Quarry, Douglas County, Wisconsin, USA
13.4km (8.3 miles) ⓘSouth Range Quarry, South Range, Douglas County, Wisconsin, USA
13.7km (8.5 miles) ⓘJohnson Materials Co. Quarry, Douglas County, Wisconsin, USA
16.4km (10.2 miles) ⓘBuckley Quarry, Amnicon Falls, Douglas County, Wisconsin, USA
18.7km (11.6 miles) ⓘEly's Peak, Saint Louis County, Minnesota, USA
20.7km (12.9 miles) ⓘChippewa Mine, Douglas County, Wisconsin, USA
29.4km (18.3 miles) ⓘSolon Springs Quarry, Douglas County, Wisconsin, USA
38.4km (23.9 miles) ⓘPercival copper prospects, Douglas County, Wisconsin, USA
39.8km (24.8 miles) ⓘTalmadge River, Saint Louis County, Minnesota, USA
References
Grant, U. S. (1901), Preliminary report on the copper-bearing rocks of Douglas County, Wisconsin, 2nd Ed.: Wisconsin Geological and Natural History Survey Bull. VI Economic Series #3, 83 p.
Dutton, C. E. (1972) Sampling of Copper-bearing Keweenawan Rocks of Northwestern Wisconsin: U.S. Geological Survey Open File Report 9.1267, 13p.
 
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