Calcite from selected localities.
USA | |
| Lasky, Samuel Grossman (1936) Geology and ore deposits of the Bayard area, Central Mining District, New Mexico. USGS Bulletin 870 U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Robert E. Walstrom Collection | |
[var: Manganese-bearing Calcite] Lasky, Samuel Grossman (1936) Geology and ore deposits of the Bayard area, Central Mining District, New Mexico. USGS Bulletin 870 | |
Robert E. Walstrom Collection | |
Lasky, Samuel Grossman (1936) Geology and ore deposits of the Bayard area, Central Mining District, New Mexico. USGS Bulletin 870 U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
[var: Manganese-bearing Calcite] Lasky, Samuel Grossman (1936) Geology and ore deposits of the Bayard area, Central Mining District, New Mexico. USGS Bulletin 870 | |
Robert E. Walstrom Collection | |
Robert E. Walstrom Collection | |
Robert E. Walstrom Collection | |
Lasky, Samuel Grossman (1936) Geology and ore deposits of the Bayard area, Central Mining District, New Mexico. USGS Bulletin 870 | |
| Minerals of the Ground Hog Mine Grant County Ron Gibbs Rocks & Minerals 67:5 pp 294-297; Econ Geol (1987) 82:523-545 U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
Robert E. Walstrom Collection |
Ground Hog Mine, Vanadium, Central Mining District, Grant County, New Mexico, USA