Commodities
PrimaryFluorine-Fluorite
Commodity typeN
Deposit
Deposit typeSTRATIFORM/METAMORPHOSED BED
Deposit sizeS
Ore controlORE CONTROL IS ATTRIBUTED TO METAMORPHISM INDUCED BY THE BUSHVELD IGNEOUS COMPLEX (NOW NO LONGER IN EXISTENCE IN THIS AREA). "BLOCK-SPAR" ORES, OCCURRING AS STRATIFORM BODIES IN THIS PORTION OF THE OVERALL DEPOSIT, EXIST IN DARK-COLORED DOLOMITE WITH LITTLE OR NO ALGAL STRUCTURE. A SYNSEDIMENTARY ORIGIN IS SUGGESTED, WITH SUBSEQUENT RECRYSTALLIZATION AND REMOBILIZATION
Geology
StructureLOCAL STRUCTURES FOLLOW THE REGIONAL PATTERN PRECISELY. THE DOLOMITE, AND ITS CONTAINED FLUORSPAR, DISPLAYS LITTLE OR NO DIP LOCALLY. FAULTING AND FOLDING IS NON-EXISTENT., THE BEDS OF THIS AREA ARE GENERALLY FLAT OR DIP VERY GENTLY. EXCEPT FOR THE INTRODUCTION OF THE BUSHVELD IGNEOUS COMPLEX, ITS SUBSEQUENT EROSION, AND THE DEPOSITION AND DENUDATION OF MORE RECENT SEDIMENTS, LITTLE OR NO OTHER STRUCTURAL INFLUENCES ARE EVIDENT. FOLDING AND FAULTING, REGIONALLY, ARE OF MINOR IMPORTANCE ONLY.
AlterationVERY LITTLE ALTERATION OF THE "BLOCK-SPAR" IN THIS AREA, BUT ELSEWHERE NEARBY NEAR-SURFACE ALGAL ORE EXISTS IN DOLOMITE ALTERED TO A MANGANIFEROUS SOIL-LIKE CLAY
Economic & production
Development statusProducer
Identification
Deposit ID60001797
MRDS IDW029511
RegionAF
Data scoreD
Coordinates-25.74664, 26.20147
References
FLUORSPAR; VOL. V; NATIONAL INSTITUTE FOR METALLURGY, NATURAL RESOURCES DEVELOPMENT COUNCIL, DEPARTMENT OF PLANNING, OERTEL, M.K.; 1966.OPERATING MINES IN THE REPUBLIC OF SOUTH AFRICA, DIRECTORY NO. 1/79; MINERALS BUREAU, DEPARTMENT OF MINES; 1979.FLUORSPAR; 1973-1980 - A COMMODITY PROFILE; GOSSLING H.H.; MINERALS BUREAU, DEPARTMENT OF MINES; 1978.