Texas · Gillespie County
Past Producer

Big Branch Area

Gillespie County, Texas, United States
Talc-Soapstone
⌖ Show on mapUSGS source ↗
Commodities
PrimaryTalc-Soapstone
Commodity typeN
Deposit
Deposit typeMetamorphic
Model20: Ultramafic hosted magnesite
Deposit sizeY
Orebody formLENSE
Materials
Ore mineralsTalc
GangueCalcite, Chlorite, Magnetite
Geology
Host rockPeridotite,Schist · Packsaddle Schist
Associated rockGneiss,Pegmatite
Economic & production
Development statusPast Producer
Identification
Deposit ID10065111
MRDS IDTC40133
RegionNA
Data scoreB
Coordinates30.44188, -98.60866
References
BARNES, V.E., 1945, SOAPSTONE AND SERPENTINE IN THE CENTRAL MINERAL REGION OF TEXAS, IN TEXAS MINERAL RESOURCES: UNIVERSITY OF TEXAS PUBLICATION 4301, P. 55-91.BARNES, V.E., 1952, GEOLOGIC MAP OF THE BLOWOUT QUADRANGLE, BLANCO, GILLESPIE, AND LLANO COUNTIES, TEXAS: TEXAS BUREAU OF ECONOMIC GEOLOGY GQ-5.CIMRI