|
USA | |
|
| Ralph Parkes |
- Eight Mile Park Pegmatite Mining District
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- Quartz Creek Pegmatite Mining District
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
|
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
- South Platte Pegmatite Mining District
| |
|
| Rudy Boloña identification and collection, collected by Jim Hall |
|
| Am Min 1953 p1090 |
|
| Michael N. Spilde, Steve Dubyk, Brian Salem, and William P. Moats, (2011) Rare earth bearing-minerals of the Petaca district, Rio Arriba County, New Mexico. New Mexico Geological Society Fall Field Conference Guidebook – 62 Geology of the Tusas Mountains and Ojo Caliente pp. 389-398. |
- Elk Mountain Mining District
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM.
Jahns, R. H. (1946) Mica Deposits of the Petaca District, Rio Arriba County, New Mexico. Bulletin 25. Mineral Resources Survey of New Mexico |
|
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA