Steenkampskraal: An Update — Technology Metals Research
Mar 04, 2011· The thorium at Steenkampskraal was discovered in 1949. Anglo-American mined from the top of an original outcrop down 100-120 meters, with stopes going along strike. Mr. Blench said that a monazite concentrate was produced on-site, and that mineral-bearing rocks were manually hand sorted during processing.