Biotite from Escalante Desert, Utah, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Singer, Donald A., Berger, Vladimir Iosifovich, Moring, Barry C. (2005) Porphyry copper deposits of the world: database, map, and grade and tonnage models. Open-File Report 2005-1060. US Geological Survey doi:10.3133/ofr20051060 | |
| USGS Bull 945D |
| Petersen, C.A. (1975) Geology and geothermal potential of the Roosevelt Hot Springs area, Beaver County, Utah. Thesis for Master of Science, University of Utah: 49. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |