Mine detail: Fresno Mine

Previously called 'Buena SuerteCampo De Los Angeles'

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Location

Lat / long:

29.34579, -103.81241

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Calcite, Fluorite, Gypsum, Natrolite
Orebody form:	IRREGULAR
Discovery year:	1935

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1940, 1953, 1955-56
First production started:	1940
Last production ended:	1956

Geology

Host rock:	Santa Elena Limestone;Del Rio Clay
Host type:	Clay, Mud,Limestone
Associated type:	Trachyte,Basalt
Structure:	Asymmetric Terlingua Anticline
Alteration processes:	Silicification, Argillic Alteration

References

MRDS	M055149
DEP	10040393
Reference	{Deposit:: MINING WORLD, 1956, VOL. 18., NO. 3., P. 96.}{Deposit:: CHESTER, J.W., 1965, MERCURY IN TEXAS: USBM IC 8252}{Deposit:: BAILEY, E.H., USGS, PERSONAL FILES}{Deposit:: USGS PP 312, 114 P.}{Deposit:: TEX BEG MRC-73, P. 25.}{Deposit:: 1943 DIREXPL USBM, FAILED TO FIND ORE}{Deposit:: 1953 DIREXPL AMERIMEX MINING CO. UNDER DMEA CONTRACT. FOUND SOME ORE}{Deposit:: EXAMINED BY C.P. ROSS AND OTHERS, 1934.}{Deposit:: EXAMINED BY R.G. YATES, J.F. MCALLISTER, AND G.A. THOMPSON, 1942-1945.}{Other Database:: CIMRI}{Production:: BAILEY, E.H., USGS, PERSONAL FILES.}
Reporter	Bergquist, Joel R., Long, Keith R.