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Electrum from
Marget Ann Mine, Walkerville, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA


Locality type:Mine
Classification
Species:Native Gold var: Electrum
Formula:(Au,Ag)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Electrum data
Locality Data:Click here to view Marget Ann Mine, Walkerville, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:978710
Long-form Identifier:1:3:978710:0
GUID (UUID V4):0
Nearest other occurrences of Electrum
42.2km (26.2 miles) ⓘApex prospect, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
42.8km (26.6 miles) ⓘGolden Sunlight Mine, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
49.1km (30.5 miles) ⓘMontana Tunnels Mine (Part of Corbin Copper Claims), Colorado Mining District (Prickly Pear Mining District; Corbin Mining District), Jefferson County, Montana, USA
References
Chris Gammons and Ryan Stevenson (2015) Silver Mineralogy of the Butte Mines. 2015 Mining and Mineral Symposium, Montana Bureau of Mines and Geology p50
Gammons, C. H., Szarkowski, J., & Stevenson, R. (2016) New investigations of the mineralogy of silver in the world-class porphyry-lode deposits of Butte, MT. Mining engineering Magazine website
Tiffany Ostenburg (2022) Mineralogy and Fluid Inclusion Study of the Marget Ann Mine of the Butte Mining District, Silver Bow County, Montana. Masters thesis, Montana Tech. 94pp
 
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