Chlorite schist from Piedmontia Domain, North America Plate
Canada | |
| James, W.F. (1930) Report on the Weedon Mine, Fontainebleu, Quebec. Quebec Department of Mines, GM 00998. |
USA | |
| Shearer, H. K., Hull, J. P. D. (1918) A Preliminary Report on a Part of the Pyrites Deposits of Georgia. Bulletin 33. Geological Survey of Georgia |
| Ballard, T. J. (1948), Investigation of Track Rock Corundum Mine, Union County, Georgia, U.S. Bureau of Mines, Report of Investigation RI-4309. |