Description
Hitchcock Corporation
Commodities
PrimaryTalc-Soapstone
Commodity typeN
Deposit
Deposit sizeY
Orebody formLENS, IRREGULAR
Ore controlFracture Zone; Bedding - The Talc Bearing Zone Is Marked By The Presence Of White, Dolomitic Marble. Variations In Grade Of Talc Are Controlled By Dip And Plunge, Which Allows For Selective Mining Of Various Grades Of Talc.
Materials
Ore mineralsTalc
GangueActinolite, Marble, Pyrite, Quartz, Tourmaline, Tremolite
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, Intersection Of Two Prominent Cleavages Form A Lineation That Is Coincident With The Plunge Of The Talc Body And Contribute In Part To The Fibrous Nature Of The Talc.
Tectonic settingGeosyncline
Economic & production
Development statusProducer
Production years1945 TO PRESENT
First production1945
Discovery year1941
Identification
Deposit ID10026137
MRDS IDK002618
RegionNA
Data scoreB
Coordinates35.08178, -84.05074
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., PAPERUSBM MINERAL YEARBOOK. VAN HORN, 1948.