California · Mariposa County
Past Producer

White Porphyry Group

Mariposa County, California, United States
Gold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Ore controlGold Occurs In Rust Colored Pockets In Albitite Adjacent To Quartz Stringers & Enclosing Slaty Wall Rocks Near Contact. Ore Apparently Confined To Narrow Contact Zone Less Than 6 - 7 Ft Thick, Commonly 3 Ft Thick. Best Ore In Oxidized Zone
Materials
GangueAlbite, Quartz
Geology
Host rockMafic Intrusive Rock,Slate,Schist,Chert
Associated rockMafic Intrusive Rock
Economic & production
Development statusPast Producer
Identification
Deposit ID10031004
MRDS IDM009543
RegionNA
Data scoreB
Coordinates37.62853, -120.08321
References
BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , P. 181 - 183 , 315