| Locality type: | Mine |
| Classification |
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| Species: | Ankerite |
| Formula: | Ca(Fe2+,Mg)(CO3)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Ankerite data |
| Locality Data: | Click here to view Columbia Mine (Maiden Mine), Keystone, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 382461 |
| Long-form Identifier: | 1:3:382461:0 |
| GUID (UUID V4): | a1d63a5c-7915-45ef-885c-7d821f18c6fa |
| Nearest other occurrences of Ankerite |
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| 0.9km (0.6 miles) | ⓘEgyptian Group, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 8.5km (5.3 miles) | ⓘGolden Slipper Gold and Silver (Forest City Mine; Empire Gold Mine), Hill City Mining District, Pennington County, South Dakota, USA |
| 18.1km (11.2 miles) | ⓘGold Hill Group (Gold Lode; Gold Mountain Mine), Hill City Mining District, Pennington County, South Dakota, USA |
| 35.8km (22.3 miles) | ⓘMontezuma Mine (Montezuma Nos. 3 to 7; Red Jim; New Montezuma), Rochford Mining District, Pennington County, South Dakota, USA |
| 57.9km (36.0 miles) | ⓘHomestake Mine, Lead, Lead Mining District, Lawrence County, South Dakota, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | STATE OF SOUTH DAKOTA Nils Boe, Governor MINERALOGY OF THE BLACK HILLS by WILLARD LINCOLN ROBERTS...Associate in Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP...Department of Geology and Geological Engineering, South Dakota School of Mines and Technology With the Editorial...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of...of Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President |
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