| Publication Type: | Miscellaneous |
| Year of Publication: | 1993 |
| Notes: | R.T. Lubala, pers. comm., 1993; VERWOERD, W.J. 1990. The Saltpeterkop ring structure, Cape Province, South Africa. Tectonophysics, 171: 275-85.WALRAVEN, F., FRICK, C. and LUBALA, R.T. 1992. Pb-isotope geochronology of the Schiel complex, northern Transvaal, South Africa. Journal of African Earth Sciences, 15: 103-10. |
