Description
Columbia Marble Company
Commodities
TertiaryTalc-Soapstone, Sulfur-Pyrite, Copper, Zinc, Marble, Dimension, Lead
Commodity typeB
Deposit
Deposit typeMetamorphic
Deposit sizeN
Orebody formLENS
Ore controlFracture Zone; Bedding
Materials
Ore mineralsMarble, Talc
GangueTremolite
Geology
Host rockMarble
Associated rockDiorite · Metadiorite; Precambrian; Dark-Green, Locally Porphyritic, Pyroxenite And Amphibolite. Van Horn (1948, P. 15) Terms These Rocks Metadiorite Because He Considers Them To Be Metamorphosed Diorites That Have Lost Their Feldspar And Quartz Through Metamorphism
StructureNortheast-Trending Strike Belts Defining A Major Syncline
Tectonic settingGeosyncline
Economic & production
Development statusOccurrence
Discovery year1937
Identification
Deposit ID10091882
MRDS IDK002634
RegionNA
Data scoreB
Coordinates35.18705, -83.9099
References
VAN HORN, E.C., 1948, TALC DEPOSITS OF THE MURPHY MARBLE BELT (NORTH CAROLINA): NORTH CAROLINA DIV. MINERAL RESOURCES BULL. 56, 54 P.POWER, W.R., AND FORREST, J.T., 1973, STRATIGRAPHY AND PALEOGEOGRAPHY IN THE MURPHY MARBLE BELT: AM. JOUR. SCI., V. 273, P. 698-711.1948 OTHER VAN HORN, N.C. DIV. MIN. RES., BULL. 561973 OTHER POWER AND FORREST, AM. JOUR. SCI., PAPERTENNESSEE VALLEY AUTHORITY, 1944, TALC RECONNAISSANCE IN THE VICINITY OF MURPHY, NORTH CAROLINA: OPEN-FILE REPORT 7 P.