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Biotite from
Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA


Locality type:Mining District
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 Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:375485
Long-form Identifier:1:3:375485:6
GUID (UUID V4):0
Localities for Biotite in this Region
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
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
Nearest other occurrences of Biotite
2.5km (1.6 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
6.1km (3.8 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
9.6km (6.0 miles) ⓘGunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison Mining District, Gunnison County, Colorado, USA
16.9km (10.5 miles) ⓘSugar Creek, Willow Creek Mining District, Gunnison County, Colorado, USA
21.9km (13.6 miles) ⓘBlack Wonder Occurrence, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
22.5km (14.0 miles) ⓘBrown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
22.6km (14.0 miles) ⓘBrown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
24.1km (15.0 miles) ⓘPowderhorn Prospect (Cebolla Creek), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
25.4km (15.8 miles) ⓘBucky pegmatite (New Anniversary; Willow Creek), Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
26.6km (16.5 miles) ⓘThorium Prospects (MRDS - 10087971), White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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