| 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 El Plomo Mine, Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 1745397 |
| Long-form Identifier: | 1:3:1745397:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
|---|
|
|
| 1.3km (0.8 miles) | ⓘHorseshoe Mine (School Section Deposit), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA |
| 2.0km (1.2 miles) | ⓘJoker Mine (Rocky Mountain Boy Claims Patented Claims), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA |
| 3.5km (2.2 miles) | ⓘDawson Gold project, Fremont County, Colorado, USA |
| 4.3km (2.7 miles) | ⓘDawson Mountain - Surprise Group (Unpatented Claims: Sam 1-15 1977 Part; Copper Boy 1902), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA |
| 4.8km (3.0 miles) | ⓘGood News No. 1 Property (Goat Park; Good News Complex), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA |
| 4.8km (3.0 miles) | ⓘGreen Mountain Mine (Copper Boy Mine), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA |
| 5.0km (3.1 miles) | ⓘGood News No. 2 Claims (Goat Park), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA |
| 8.1km (5.1 miles) | ⓘIron Mountain, Iron Mountain complex, Fremont County, Colorado, USA |
| 8.5km (5.3 miles) | ⓘBorder Feldspar Prospect No. 1 and No. 2, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA |
| 8.8km (5.4 miles) | ⓘIron Mountain Mine (Iron Mountain Deposit; Iron Mountain Titaniferous Magnetite Deposit), McClure Mountain Complex, Fremont County, Colorado, USA |
| References |
|---|
|
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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