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Biotite from
Birch Lake Deposit, Ely-Hoyt Lakes Area, Saint Louis County, Minnesota, USA


Locality type:Deposit
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Birch Lake Deposit, Ely-Hoyt Lakes Area, Saint Louis County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:981489
Long-form Identifier:1:3:981489:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.1km (2.5 miles) ⓘHibbingite occurrences, Lake County, Minnesota, USA
10.4km (6.4 miles) ⓘMesaba deposit (Minnamax deposit; Babbitt deposit; Babbitt Lake deposit; Amax Underground Mine), Ely-Hoyt Lakes Area, Saint Louis County, Minnesota, USA
12.9km (8.0 miles) ⓘMinnamax Exploration shaft prospect (Amax Exploration Inc), Ely-Hoyt Lakes Area, Saint Louis County, Minnesota, USA
13.4km (8.3 miles) ⓘSouth Filson Creek Prospect (Filson Creek), Ely-Hoyt Lakes Area, Lake County, Minnesota, USA
13.5km (8.4 miles) ⓘNorthshore Mine (Peter Mitchell Mine; Reserve Mine; Babbitt Mine), Babbitt, Saint Louis County, Minnesota, USA
13.6km (8.5 miles) ⓘSpruce Road Prospect (Spruce Mine; INCO Prospect; INCO Mine; Ely Nickel Copper Deposit; Spruce Road Deposit), Ely-Hoyt Lakes Area, Lake County, Minnesota, USA
41.3km (25.7 miles) ⓘWater Hen Occurrence, Saint Louis County, Minnesota, USA
70.0km (43.5 miles) ⓘPoohbah Lake Alkalic Complex, Sturgeon Lake Area and Burt Lake Area, Rainy River District, Ontario, Canada
71.9km (44.7 miles) ⓘRove Slate Area Prospect Pits, Cook County, Minnesota, USA
79.9km (49.7 miles) ⓘVermilion River Mines, Saint Louis County, Minnesota, USA
References
Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
 
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