Mine detail: Little Thirty-Eight Mine

Previously called 'Waldro
* 38Tarrant'

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Location

Lat / long:

29.3219, -103.65547

Resource(M)

Primary:	Mercury
Ore:	Cinnabar, Metacinnabar
Gangue:	Barite, Calcite, Clay, Fluorite, Pyrite
Orebody form:	IRREGULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1933

Geology

Host rock:	Santa Elena ;Santa Elena
Host type:	Shale,Limestone
Structure:	Asymmetrical Terlingua Anticline
Alteration processes:	Kaolinization Of Del Rio Shale

References

MRDS	M055136
DEP	10040386
Reference	{Deposit:: BAILEY, E.H., USGS, PERSONAL FILES}{Deposit:: CHESTER, J.W., 1965, MERCURY IN TEXAS: USBM IC 8252}{Deposit:: TX BEG MRC-73, P. 23.}{Deposit:: USGS PP 312}{Deposit:: FIELD WORK BY C.P. ROSS AND OTHERS 193}{Other Database:: CIMRI}{Production:: USBM DATA}
Reporter	Bergquist, Joel R., Long, Keith R.