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USA | |
- Point of Rocks Mesa (Pecks Mesa)
| Rocks & Min.:60:229. |
| Scott, G. R., Wilcox, R. E., & Mehnert, H. H. (1990). Geology of volcanic and subvolcanic rocks of the Raton-Springer area, Colfax and Union Counties, New Mexico. United States Geological Survey, Professional Paper (USA), 1507. |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |