|
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Barbara A.Olsen,Harry Y.McSween.Jr,The America Mineralogist,Vol 68,pg 315-333,1983,Petrogenesis of the Concord gabbro-syenite complex,North Carolina |
| Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt, North Carolina : USGS Bulletion 84 |
| Rocks & Min.: 60:86. |
| Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt. North Carolina : NCGS Bulletion 84 |