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USA | |
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| Sherwood, Mark D., Williams, Glenn A. (1998) Missouri Mineral Locality Index. Rocks & Minerals, 73 (2) 98-117 doi:10.1080/00357529809603046 |
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| Rocks & Min., March 1998. |
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| Nold, J. L., Davidson, P., & Dudley, M. A. (2013). The pilot knob magnetite deposit in the Proterozoic St. Francois Mountains Terrane, southeast Missouri, USA: A magmatic and hydrothermal replacement iron deposit. Ore Geology Reviews, 53, 446-469. |
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| Tunnell, B. N., Locmelis, M., Seeger, C., Moroni, M., Dare, S., Mathur, R., & Sullivan, B. (2021). The Shepherd Mountain Iron Ore Deposit In Southeast Missouri, USA-An Extension OF The Pilot KNOB Magmatic-Hydrothermal Ore System: Evidence From Iron Oxide Chemistry. Ore Geology Reviews, 104633. |
|
| [var. Anorthoclase] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Fredericktown Mining District
| Sherwood, Mark D., Williams, Glenn A. (1998) Missouri Mineral Locality Index. Rocks & Minerals, 73 (2) 98-117 doi:10.1080/00357529809603046 |
|
| [var. Anorthoclase] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
|
| [var. Anorthoclase] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
|
| [var. Anorthoclase] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
|
| Sherwood, Mark D., Williams, Glenn A. (1998) Missouri Mineral Locality Index. Rocks & Minerals, 73 (2) 98-117 doi:10.1080/00357529809603046 |
