| Locality type: | Claim |
| Classification |
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| Type: | Rhyodacite |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Rhyodacite data |
| Locality Data: | Click here to view Twentieth Century Claim, Ophir, San Miguel County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1047849 |
| Long-form Identifier: | 1:3:1047849:5 |
| GUID (UUID V4): | a267a99c-a6a0-427b-a2b0-39d7a0674ba0 |
| Nearest other occurrences of Rhyodacite |
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| 37.2km (23.1 miles) | ⓘDix and Cimarron Chief Groups, Matterhorn Peak Area, Lake City Mining District, Hinsdale County, Colorado, USA |
| 40.1km (24.9 miles) | ⓘUnnamed Gold Mine (MRDS - 10014692), Cimarron Mining District, Hinsdale County, Colorado, USA |
| 41.6km (25.8 miles) | ⓘGeorge the Third Mine (Hattie; MS 9130; Marian; MS 11982; St. Peter; MS 11982; Vermont; MS 12907), Carson Mining District, Hinsdale County, Colorado, USA |
| 41.7km (25.9 miles) | ⓘSilver Jack Mine (Unpatented Claims: Silver Jack Nos. 2-10; 12-14; Silver Jack Extension; Patented Claim: Silver Jack; MS 20073), Cimarron Mining District, Hinsdale County, Colorado, USA |
| 42.1km (26.1 miles) | ⓘSt. Jacob Mine (Griggs; MS 2426; Patented Claims: Hamilton; MS 2425; St. Jacob Group; St. Johns; MS 2427; St. Jacobs; MS 2428), Carson Mining District, Hinsdale County, Colorado, USA |
| 42.1km (26.2 miles) | ⓘCimarron District (Golden Eagle; MS 9781; Government Stamp Lode; MS 2353), Cimarron Mining District, Hinsdale County, Colorado, USA |
| 42.4km (26.3 miles) | ⓘBachelor Mine, Carson Mining District, Hinsdale County, Colorado, USA |
| 49.2km (30.6 miles) | ⓘBlack Crook Mine (Ilma-Hiwassee group; Ilma Mine; New Year), Lake City Mining District, Hinsdale County, Colorado, USA |
| 52.2km (32.5 miles) | ⓘLarson Volcano Occurrence (Larson Center), Larson Creek Area, Hinsdale County, Colorado, USA |
| 77.9km (48.4 miles) | ⓘDolgooth Claims, Creede Mining District, Mineral County, Colorado, USA |
| References |
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