Description
Anglo - Transvaal Consl. Inv. Co. Ltd.
Commodities
PrimaryZinc, Copper
SecondarySulfur-Pyrite, Lead
Commodity typeM
Deposit
Deposit sizeL
Orebody formTABULAR
Ore controlSyngenetic Explosive Pyroclastic Emplacement
Materials
Ore mineralsChalcopyrite, Galena, Gold, Hematite, Ilmenite, Magnetite, Molybdenite, Pyrite, Pyrrhotite, Sphalerite
GangueApatite, Barite, Biotite, Calcite, Chlorite, Clinozoisite, Diopside, Garnet, Hornblende, Iddingsite, Microcline, Muscovite, Olivine, Quartz, Sericite, Sillimanite, Tourmaline, Zircon
Geology
Host rockGneiss
Associated rockRhyolite,Dacite · Copperton Volcanic Pile Tuffs, Flows, Dacite
StructureCopperton Volcanic Pile, Grassmoor Dome, Copperton Fault, Smouspan Fault
AlterationRegionally - Amphibolite. Wall Rock - Phyllic, Propylitic
Economic & production
Development statusProducer
Discovery year1968
Identification
Deposit ID10073116
MRDS IDW018947
RegionAF
Data scoreB
Coordinates-29.97986, 22.2849
References
STAFF, 1977, U.S. DEPT. OF STATE AIRGRAM, INDUSTRIAL OUTLOOK REPT., MINERALS; 1-31-77, P. 25 - 28, 62 - 63MIDDLETON, R. C., 1976, THE GEOLOGY OF PRIESKA COPPER MINES LIMITED; ECON. GEOL. V. 71 P 328 - 350STAFF, 1977, U.S. STATE DEPT, AIRGRAM, 1-31-77 P. 27, 28, 63STAFF, 1977, U.S. STATE DEPT. AIRGRAM, 1-31-77 P 28. SKINNERS MININ INTL. YBK. 1975, P. 100