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Biotite from
Thorium Prospects (MRDS - 10087971), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA


Locality type:Prospect
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 Thorium Prospects (MRDS - 10087971), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:376902
Long-form Identifier:1:3:376902:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.2km (2.0 miles) ⓘPowderhorn Prospect (Cebolla Creek), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
3.4km (2.1 miles) ⓘIron Hill deposit, White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
6.1km (3.8 miles) ⓘThorium Prospects (MRDS - 10014575), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
18.5km (11.5 miles) ⓘSugar Creek, Willow Creek Mining District, Gunnison County, Colorado, USA
25.8km (16.0 miles) ⓘGold Basin District Occurrence (MS 1984; Patented Claim: Belle Flora), Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
26.6km (16.5 miles) ⓘGreen Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
26.6km (16.6 miles) ⓘLucky Strike Mine (Modoc; MS 17455; Horse Shoe; MS 17122; Belle Valaisane; MS 13897; Only Chance; MS 17455; Mammoth; MS 13897; Patented Claims: Lucky Strike; MS 9125), Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
28.6km (17.8 miles) ⓘGunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison Mining District, Gunnison County, Colorado, USA
39.5km (24.5 miles) ⓘLast Chance Mine (Unpatented Claim: Peifer; Peifer Quarry), Curecanti Needle Area, Gunnison County, Colorado, USA
40.0km (24.9 miles) ⓘCreede Formation, Creede Mining District, Mineral County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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