Chlorite Group from selected localities.
USA | |
| P. Cristofono collection |
| Rocks & Minerals (1986): 61: 286-289 |
| AmMin 3 p.1-2 |
Quinn, A. W. and H. D. Glass (1958): Rank of coal and metamorphic grade of rocks of the Narragansett Basin of Rhode Island (Economic Geology 53(5): 563-576). |
Poker Hill, Ashton, Cumberland, Providence County, Rhode Island, USA