| Locality type: | Mine |
| Classification |
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| Type: | Biotite gneiss |
| Confirmation |
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|
| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Biotite gneiss data |
| Locality Data: | Click here to view Betty Mine (Lone Chimney Mine; Betty Lowe), Guffey Mining District, Park County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1493763 |
| Long-form Identifier: | 1:3:1493763:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite gneiss |
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| 0.5km (0.3 miles) | ⓘGuffey District; West Occurrence, Guffey Mining District, Park County, Colorado, USA |
| 1.0km (0.6 miles) | ⓘUnknown Beryllium - Mica - Feldspar (MRDS - 10107950), Guffey Mining District, Park County, Colorado, USA |
| 3.5km (2.2 miles) | ⓘWest Ranch Deposit (West Deposit), Guffey Mining District, Park County, Colorado, USA |
| 5.0km (3.1 miles) | ⓘSkinney Claim (Lues Gulch Prospect; Lues Ranch Prospect), Guffey Mining District, Park County, Colorado, USA |
| 5.4km (3.4 miles) | ⓘTownsend Ranch Prospect, Guffey Mining District, Park County, Colorado, USA |
| 6.3km (3.9 miles) | ⓘFamous Lode Mica Prospect (Famous Lodge Pegmatites; Little Joe From Kokomo Claim Adjoining), Micanite Mining District (Currant Creek Mining District), Colorado, USA |
| 6.3km (3.9 miles) | ⓘBeryllium Lode Prospect, Micanite Mining District (Currant Creek Mining District), Colorado, USA |
| 7.4km (4.6 miles) | ⓘRose Dawn Mine (Rose Dawn Mica Mine; North Mine), Micanite Mining District (Currant Creek Mining District), Colorado, USA |
| 7.5km (4.7 miles) | ⓘEast-West Pegmatite Occurrence (West-West Pegmatite), Guffey Mining District, Park County, Colorado, USA |
| 7.6km (4.7 miles) | ⓘSchool Section Prospect (B&G Claim), Guffey Mining District, Park County, Colorado, USA |
| References |
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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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