Amphibole Supergroup from selected localities.
USA | |
| MRDS database Dep. ID file #10039875, MRDS ID #M050999. |
| Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 84 (Table 4); Arizona Bureau of Mines file data. |