North Carolina · Swain County
Past Producer

Hewitt Talc Mine Shaft

Swain County, North Carolina, United States
Talc-Soapstone
⌖ Show on mapUSGS source ↗
Description

Nantahala Talc And Marble Company And North Carolina Talc And Mining Company.

Commodities
PrimaryTalc-Soapstone
Commodity typeN
Deposit
Deposit sizeY
WorkingsUnderground
Orebody formLENS, PINCH & SWELL
Ore controlFracture Zones; Bedding
Materials
Ore mineralsTalc
Geology
Host rockMarble
Associated rockDiorite · Metadiorite, Dark-Green, Locally Porphyritic, Pyroxenite & Amphibolite. Van Horn ( 1948 , P. 15 ) Terms These Rocks Metadiorite Because He Considers Them To Be Metamorphosed Diorites That Have Lost Their Feldspar & Quartz Through Metamorphism
StructureNortheast-Trending Strike Belts Defining A Major Syncline
Tectonic settingGeosyncline
Economic & production
Development statusPast Producer
Identification
Deposit ID10026155
MRDS IDK002644
RegionNA
Data scoreB
Coordinates35.31011, -83.64517
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., PAPERVAN HORN, E.C., 1948, N.C. DIV. MIN. RES. BULL. 56