Vermiculite from selected localities.
USA | |
| (2006) Screening of Historic Mines,Historic Asbesto Prospects,and Natural Asbestos Occurrences in North Carolina; North Carolina NOA Site Screening Summary Report |
| MCILMOIL,Rory D.,2002,Paper No.33-0,The Nature And Origin Of Orthopyroxenite Lenses,And Layers In Dunite From The Chestnut Gap Quarry,Sylva South Quadrangle,Jackson County,N.C |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Bull 2192 |