Washington · Okanogan County
Occurrence

American Rand

Okanogan County, Washington, United States
MolybdenumGoldSilverCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMolybdenum, Gold, Silver, Copper
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeN
Ore controlA 15-Inch-Wide, North-Trending, 20-40-E-Dipping, Quartz Vein In Argillite A Short Distance Above The Contact With A Pluton (Umpleby, 1911, P. 98).
Materials
Ore mineralsChalcopyrite, Galena, Gold, Molybdenite, Pyrite
GangueQuartz
Geology
Host rockQuartzite,Argillite
Associated rockPlutonic Rock
Tectonic settingLate Paleozoic Marine Sedimentary Rocks Were Deposited Along An Active Continental Margin.
Economic & production
Development statusOccurrence
Identification
Deposit ID10093022
MRDS IDSP00188
Alternate namesSpokane
RegionNA
Data scoreB
Coordinates48.89428, -119.53839
References
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., 1972, GEOLOGY AND MINERAL DEPOSITS OF THE LOOMIS QUADRANGLE, OKANOGAN COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 64, 124 P., 3 PL.UMPLEBY, J.B., 1911, PART I. GEOLOGY AND ORE DEPOSITS OF THE MYERS CREEK MINING DISTRICT; PART II. GEOLOGY AND ORE DEPOSITS OF THE OROVILLE-NIGHTHAWK MINING DISTRICT: WASHINGTON GEOLOGICAL SURVEY BULLETIN 5, 111 P.