Pyrite from selected localities.
USA | |
| Robert E. Walstrom Collection |
| Econ Geol (1987) 82:523-545; Lasky, S. G., (1930) Geology and Ore Deposits of the Ground Hog Mine, Central District, Grant County, New Mexico. NMBMGMR Circular 2 U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
Lasky, Samuel Grossman (1936) Geology and ore deposits of the Bayard area, Central Mining District, New Mexico. USGS Bulletin 870 | |
USGS Bull 859 | |
[www.johnbetts-fineminerals.com] | |
Rocks & Min.: 7:124. |
Ground Hog Mine, Vanadium, Central Mining District, Grant County, New Mexico, USA