|
USA | |
| George, D. R. (1951) Thorite in California, AM Min. 36:129-132. |
- Angels Camp Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Albino, G. V. (1995). Sodium metasomatism along the Melones fault zone, Sierra Nevada foothills, California, USA. Mineralogical Magazine, 59(3), 383-399. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Washington Mining District (Omega Mining District)
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| George, D. R. (1951) Thorite in California, AM Min. 36:129-132. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Forest Hill Mining District
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Alleghany Mining District (Forest Mining District)
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| George, D. R. (1951) Thorite in California, AM Min. 36:129-132. |