Mine detail: U.S. Gypsum Co.

Previously called 'California Gypsum GroupImperial Gypsum and Oil CorporationFish Creek MountainsGillettePacific Portland CementTracts 68, 69, 70, 78, Ward'

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Location

Lat / long:

33.02006, -116.07555

Resource(B)

Primary:	Gypsum-Anhydrite
Tertiary:	Mica, Iron, Manganese, Sodium
Ore:	Gypsum
Gangue:	Anhydrite, Biotite
Orebody form:	BLANKET
Discovery year:	1922

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Past Producer
Production years:	1922-

Geology

Host type:

Clastic Sedimentary Rock

References

MRDS	TC36247
DEP	10062702
Reference	{Deposit:: SAMPSON, R.J., AND TUCKER, W.B., 1942, MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA DIVISION OF MINES BULLETIN , VOL. 38, H2.}{Deposit:: MORTON, PAUL K., 1977, GEOLOGY AND MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA, CALIFORNIA DIVISION OF MINES AND GEOLOGY, COUNTY REPORT NO. 7.}{Other Database:: CIMRI}
Reporter	Gray, Floyd