Commodities
PrimaryVermiculite, Stone, Talc-Soapstone
Commodity typeN
Deposit
Model20: Ultramafic hosted magnesite
Deposit sizeS
Orebody formTABULAR, LENSE
Ore controlVermiculite In Veins In Serpentinite/Soapstone Associated With Pegmatite Dikes.
Materials
Ore mineralsSerpentine, Talc, Vermiculite
GangueChlorite, Magnetite, Tremolite
Geology
Host rockSchist,Serpentinite · Packsaddle Schist
Associated rockPegmatite,Granite
AlterationSerpentinite Altered To Soapstone Probably As Result Of Intrusion By Granite. Soapstone Alteration Forms An Enveloped Around A Serpentinite Core. Serpentinite May Be Metamorphosed Dunite.
Economic & production
Development statusPast Producer
Discovery year1935
Identification
Deposit ID10065160
MRDS IDTC40197
Alternate namesYearlinghead Mountain
RegionNA
Data scoreB
Coordinates30.63271, -98.71173
References
CLABAUGH, S.E., AND BARNES, V.E., 1959, VERMICULITE IN CENTRAL TEXAS: TEXAS BUREAU OF ECONOMIC GEOLOGY REPT. INVEST. 40, P. 19-23.BARNES, V.E., 1945, SOAPSTONE AND SERPENTINE IN THE CENTRAL MINERAL REGION OF TEXAS, IN TEXAS MINERAL RESOURCES: UNIV. TEXAS PUB. 4301, P. 55-91.CIMRI