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Sericite from
Ropes Gold Mine, Ishpeming Greenstone belt (Marquette Greenstone belt), Marquette Co., Michigan, USA

Locality type:Mine
Classification
Species:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
References
References:U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Associated Minerals Based on Photo Data:
Tetrahedrite Subgroup2 photos of Sericite associated with Tetrahedrite Subgroup at this locality.
Quartz2 photos of Sericite associated with Quartz at this locality.
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Ropes Gold Mine, Ishpeming Greenstone belt (Marquette Greenstone belt), Marquette Co., Michigan, USA
Nearest other occurrences of Sericite
3.1km (1.9 miles) Grummett prospect, Greenwood, Marquette Co., Michigan, USA
11.8km (7.4 miles) Silver Creek West prospect, Ishpeming Greenstone belt (Marquette Greenstone belt), Marquette Co., Michigan, USA
21.0km (13.1 miles) Champion Mine (Beacon Mine), Champion, Marquette Co., Michigan, USA
44.7km (27.8 miles) Huron River Uranium prospect (Unnamed V prospect; MRDS - 10171055), Huron River, Baraga Co., Michigan, USA
52.2km (32.4 miles) BIC deposit (Bovine Igneous Complex), Baraga Co., Michigan, USA
61.6km (38.3 miles) Hollister Mine, Crystal Falls, Iron Co., Michigan, USA
62.7km (39.0 miles) McDonald Mine (North Armenia Mine), Crystal Falls, Iron Co., Michigan, USA
63.0km (39.2 miles) Armenia Mine (Armania Mine; Angus Smith Mine; Smith Mine), Crystal Falls, Iron Co., Michigan, USA
64.2km (39.9 miles) Lee Peck Mine, Crystal Falls, Iron Co., Michigan, USA
64.5km (40.1 miles) Cayia Mine (D. M. and M.), Crystal Falls, Iron Co., Michigan, USA
 
Mineral and/or Locality  
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