Description
Harry Springer
Commodities
PrimaryMagnesite
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeM
Ore controlAlong The Dolomite - Granodiorite Contact On The Upper Plate Of The Paradise Thrust.
Materials
Ore mineralsBrucite, Magnesite
Geology
Host rockDiorite,Dolomite · Luning Formation
StructureThe Dolomite Of The Luning Formation Is On The Upper Plate Of The Paradise Thrust Fault.
AlterationBrucite Is Weathered To A Depth Of 50 Ft To Hydromagnesite And Artinite.
Economic & production
Development statusPast Producer
Discovery year1927
Identification
Deposit ID10044219
MRDS IDM231591
Alternate namesUpper Brucite Pit, Lower Brucite Pit, Margie Pit
RegionNA
Data scoreB
Coordinates38.86603, -117.89427
References
VITALIANO, CJ AND CALLAGHAN, E, 1956, GEOLOGIC MAP OF THE GABBS MAGNESITE AND BRUCITE DEPOSITS: USGS MINERAL INV. FIELD STUDY MAP MF-35CALLAGHAN, E, 1933, BRUCITE DEPOSIT: NBMG BULL 19.SCHILLING, JH, 1968, THE GABBS MAGNESITE - BRUCITE DEPOSIT IN RIDGE, J.D. (EDITOR), ORE DEPOSITS OF THE U.S., 1933-1967, V. 2 (GRATON-SALES VOLUME), NEW YORK, AIMMPE, P. 1607-1622.KRAL, 1951, P. 105