Washington · Okanogan County
Past Producer

Mary Ann Creek Placer

Okanogan County, Washington, United States
Gold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit typePlacer
Deposit sizeS
Ore controlHeavy-Mineral Concentration By Stream Action. Gold Occurs From Grass Roots Downward To Bedrock. A 7-In-Wide Clay Seam, 4 Ft Above Bedrock, Acts As A False Bedrock, And Better Gold Values Are Found Above The Clay (Huntting, 1956, P. 188).
Materials
Ore mineralsGold
Geology
Host rockSand and Gravel
StructureDeposition Of Heavy Minerals In River Gravels.
Economic & production
Development statusPast Producer
Identification
Deposit ID10056008
MRDS IDSP00250
RegionNA
Data scoreC
Coordinates48.94012, -119.05283
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.LANDES, HENRY; THYNG, W.S.; LYON, D.A.; ROBERTS, MILNOR, 1902, ANNUAL REPORT FOR 1901, IN SIX PARTS; PART-II THE METALLIFEROUS RESOURCES OF WASHINGTON, EXCEPT IRON: WASHINGTON GEOLOGICAL SURVEY, 123 P.