| Locality type: | Mine |
| Classification |
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| Species: | 'Clay minerals' (not an IMA approved species) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Clay minerals data |
| Locality Data: | Click here to view Altoona Mine (Castella Corp. Mine; Rare Metals Corp. of America; Universal Silvers; Trinity claim; Blockade claim), Ramshorn Summit, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 647478 |
| Long-form Identifier: | 1:3:647478:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Clay minerals |
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| 27.7km (17.2 miles) | ⓘOro Grande Mining Company Mine (McKeen; Cummings; Shasta), Sugar Hill, Callahan Mining District (Scott River Mining District), Klamath Mountains, Siskiyou County, California, USA |
| 47.1km (29.3 miles) | ⓘPeter Smith Mine, Etna, Oro Fino Mining District, Klamath Mountains, Siskiyou County, California, USA |
| 50.4km (31.3 miles) | ⓘMelvin Hovey property, Grenada, Siskiyou County, California, USA |
| 53.8km (33.4 miles) | ⓘJ. Walker Mine, Greenview, Oro Fino Mining District, Klamath Mountains, Siskiyou County, California, USA |
| 53.9km (33.5 miles) | ⓘFort Jones Mine [2] (T. A. Reynold Mine), Greenview, Oro Fino Mining District, Klamath Mountains, Siskiyou County, California, USA |
| 55.3km (34.3 miles) | ⓘT. Hamilton Mine, Greenview, Oro Fino Mining District, Klamath Mountains, Siskiyou County, California, USA |
| 67.4km (41.9 miles) | ⓘUnnamed Clay occurrence [1], Barleyfield Peak, Indian Creek Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USA |
| 68.5km (42.6 miles) | ⓘJeff Gatewood property, Yreka, Siskiyou County, California, USA |
| 74.8km (46.5 miles) | ⓘA. H. Denney occurrence, Snowdon (Snowden), Siskiyou County, California, USA |
| 78.8km (49.0 miles) | ⓘChastain & Bowen occurrence, Gottsville, Klamath River Mining District, Klamath Mountains, Siskiyou County, California, USA |
| References |
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