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Biotite from
Bon Ton Mine, Monarch Mining District, Chaffee County, Colorado, USA


Locality type:Mine
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 Bon Ton Mine, Monarch Mining District, Chaffee County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:736556
Long-form Identifier:1:3:736556:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
10.9km (6.8 miles) ⓘDutch Flat Gulch, Gold Brick Mining District, Gunnison County, Colorado, USA
11.2km (7.0 miles) ⓘBoulder Creek, Gold Brick Mining District, Gunnison County, Colorado, USA
17.1km (10.6 miles) ⓘBucky pegmatite (New Anniversary; Willow Creek), Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
18.5km (11.5 miles) ⓘCalifornia Mine, Upper Browns Creek area, Nathrop, Chaffee County, Colorado, USA
20.1km (12.5 miles) ⓘBrown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
20.2km (12.6 miles) ⓘBrown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
20.7km (12.9 miles) ⓘBlack Wonder Occurrence, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
21.4km (13.3 miles) ⓘMount White, Chaffee County, Colorado, USA
30.8km (19.2 miles) ⓘCinderella, Chaffee County, Colorado, USA
37.4km (23.3 miles) ⓘItalian Mountain, Taylor Park, Dorchester Mining District, Gunnison County, Colorado, USA
References
(1984) Precambrian deposits of zinc-copper-lead sulfides and zinc spinel (gahnite) in Colorado. Bulletin 1550. US Geological Survey doi:10.3133/b1550
The Canadian Mineralogist Vol. 43, pp. 601-622 (2005)
Spry, Paul G.; McFadden, Scott; Teale, Graham S.; Alers, Brian; Shallow, John M.; Glenn, Justin M. (2022) Nodular sillimanite rocks as field indicators to metamorphosed massive sulfide deposits. Ore Geology Reviews, 141. 104632 doi:10.1016/j.oregeorev.2021.104632
Berke, Edward H., Spry, Paul G., Heimann, Adriana, Teale, Graham S., Johnson, Benjamin, von der Handt, Anette, Alers, Brian, Shallow, John M. (2023) The genesis of metamorphosed Paleoproterozoic massive sulphide occurrences in central Colorado: geological, mineralogical and sulphur isotope constraints. Geological Magazine, 160 (7) 1345-1375 doi:10.1017/s0016756823000407
 
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