One of the largest fluorite mines, which also produced iron ore (Fe-F-REE mineralisation). 40+ minerals (most iron). Extreme differentiation of granitic magma.
A vertical, discordant, funnel-shaped volcanic pipe, emplaced within the surrounding Rooiberg Group rhyolites of the Bushveld complex. Located 8 km SW of Rust de Winter, 65 km NE of Pretoria. Closely related prospects occur on the neighbouring farms Naauwpoort 208 JR, and Rhenosterfontein 210 JR.
Ref.:
- Beih. z. Eur. J. Mineral. 18 (2006) 124.
- Weinert, S. (2006). "Locality data sheet: Vergenoeg fluorspar-iron ore mine (Afrique du Sud)." International Micromounter's Journal, 15(1),pp:4-6.
- Cairncross et al (2008) The Vergenoeg Fluorite Mine Rocks & Minerals 81:5 pp 410-421
