Nontronite from Sabine Domain, North America Plate
USA | |
| Owens, Don R. (1995) Minerals of the Wilson Springs Vanadium Mines, Potash Sulphur Springs, Arkansas. Rocks & Minerals: 70(3): 154-170. Howard, J. Michael |
| Blade, Lawrence Vernon (1963) Geochemistry and petrology of the alkalic igneous complex at Magnet Cove, Arkansas. USGS Prof. Paper 425. Erickson, Ralph Leroy |
| Henry Barwood - unpublished (2010) |
Union Carbide Mine, Wilson Springs, Garland County, Arkansas, USA