Geology of the Transvaal |
Other editions - View all
Common terms and phrases
African Primary System amygdaloidal diabases amygdaloidal rocks Archæan System auriferous Barberton Barberton series belonging Black Reef series breccias Bushveld Cape Colony Cape System chert clay-slates coal diabase dolomite Dolomite series Dwyka conglomerate dykes east Ecca beds escarpment farm feet felsophyre ferruginous formation G. A. F. MOLENGRAAFF geological glomerate gold granite granite boss Griqualand West ground moraine Hospital Hill Hospital Hill series Hospital Hill Slate igneous rocks interbedded interstratified intrusive Johannesburg Karroo System Klerksdorp Kromdraai Krugersdorp lodes Lower Karroo Lydenburg Lydenburg district Magaliesberg magnetite Middelburg Mountains neighbourhood norite numerous occur old granite outcrop pebbles plutonic plutonic series porphyries portion Pretoria beds Pretoria series pyrites quartz quartzite red granite schists shales South African Primary strata stratified striæ surface syenite thickness tilted Transvaal System unconformably underlying Upper Karroo Vaal River System veins Vereeniging Vryheid Vryheid district Waterberg Waterberg district Witwatersrand Witwatersrand beds Witwatersrand series zone