Mine detail: Hewitt Talc Mine Shaft

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Location: Swain County, North Carolina, United States, North America
Lat / long: 35.31011, -83.64517
dep_id: 10026155
mrds_id: K002644
Commodity type: nonmetallic
Major mineral: Talc-Soapstone
Operation type: Unknown
Production size: Production occurred
Development status: Past Producer
ore: Talc
orebody_fm: LENS, PINCH & SWELL
work_type: Underground
ore_ctrl: Fracture Zones; Bedding
Reporter: Hale, Robin C.
hrock_type: Marble
arock_unit: 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
arock_type: Diorite
Structure: Northeast-Trending Strike Belts Defining A Major Syncline
tectonic: Geosyncline
discr: Nantahala Talc And Marble Company And North Carolina Talc And Mining Company.
References:
  • Deposit:: VAN HORN, E.C., 1948, TALC DEPOSITS OF THE MURPHY MARBLE BELT (NORTH CAROLINA): NORTH CAROLINA DIV. MINERAL RESOURCES BULL. 56, 54 P.
  • Deposit:: POWER, W.R., AND FORREST, J.T., 1973, STRATIGRAPHY AND PALEOGEOGRAPHY IN THE MURPHY MARBLE BELT: AM. JOUR. SCI., V. 273, P. 698-711.
  • Deposit:: 1948 OTHER VAN HORN, N.C. DIV. MIN. RES., BULL. 56
  • Deposit:: 1973 OTHER POWER AND FORREST, AM. JOUR. SCI., PAPER
  • Production:: VAN HORN, E.C., 1948, N.C. DIV. MIN. RES. BULL. 56
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