Amphibole Supergroup from selected localities.
USA | |
| Rankin, D.W. Geology of St.John, U.S.Virgin Islands. U.S. Geological Survey Professional Paper 1631. |
U.S. Geological Survey Professional Paper 1631 |
USA | |
| Rankin, D.W. Geology of St.John, U.S.Virgin Islands. U.S. Geological Survey Professional Paper 1631. |
U.S. Geological Survey Professional Paper 1631 |