Magnetite from Free State, South Africa
South Africa | |
| Verwoerd W,J. Weder E,E,W., and Harmer, R.E., (1993) The Stukpan carbonatite in the Orange Free State Goldfield. S. Afr J. Geol., 96 (3), 108-118 |
www.unb.ca (2002) http://www.unb.ca/passc/ImpactDatabase/images/vredefort.htm |