Calcite from
Mexico | |
| Sotelo, C. M. (2016). Geology and mineralization controls surrounding the Palmarejo mining district-A compilation of remote and hands on exploration techniques. The University of Texas at El Paso. |
| Panczner (1987): 149-346. |
| Espinosa Perea, V. J. (1999). Magmatic evolution and geochemistry of the Piedras Verdes deposit, Sonora, Mexico. MS thesis University of Arizona |
| Panczner (1987): 166-364. |
Palmarejo, Chínipas Municipality, Chihuahua, Mexico