Washington · Okanogan County
Occurrence

Mammoth

Okanogan County, Washington, United States
GoldSilverCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold, Silver, Copper
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlTwo Veins Are On The Property; The Upper One Is 5 Feet Thick And The Lower One Is 6 Feet Thick (Huntting, 1956, P. 306).
Materials
GangueQuartz
Geology
Host rockSchist,Gneiss
Associated rockPegmatite
StructureLate Triassic Rocks Formed Along An Active Continental Margin And Are Associated With Island Arcs.
Economic & production
Development statusOccurrence
Identification
Deposit ID10095926
MRDS IDSP00249
Alternate namesMammoth Claim
RegionNA
Data scoreC
Coordinates48.58733, -119.7495
References
DERKEY, R.E.; JOSEPH, N.L.; LASMANIS, R., 1990, METAL MINES OF WASHINGTON-PRELIMINARY REPORT: STATE OF WASHINGTON, DEPARTMENT OF NATURAL RESOURCES, DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, 577 P.HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.RINEHART, C.D.; FOX, K.F., JR., 1976, BEDROCK GEOLOGY OF THE CONCONULLY QUADRANGLE, OKANOGAN COUNTY, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1402, 58 P., 1 PL.STOFFEL, K.L., COMPILER, 1990, GEOLOGIC MAP OF THE OROVILLE 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN FILE REPORT 90-11, 58 P., 1 PL.