Commodities
PrimaryCopper, Zinc, Silver, Gold
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeN
Ore controlThe Main Mineralized Structure Is A 2-8-Ft-Wide Silicified Shear Zone That Strikes N45e And Dips 50nw. Brecciated And Sheared Volcanic Rock Is Cemented By Quartz And Sanadine And As Much As 5% Fluorite. The Silicified Fluoritized Breccia Body Exposed On The Surface Above The Adit Is As Much As 250 Feet In Diameter. The American Flag Is The Southernmost Property Of The Zalla M-Silver Bell Mineralized Belt That Is About 1 Mile Long And Several Hundred Feet Wide (Moen, 1980, P. 69).
Materials
Ore mineralsBornite, Chalcopyrite, Galena, Gold, Pyrite, Sphalerite
GangueFluorite, Quartz, Sanidine
Geology
Host rockTrachyte
Tectonic settingEast-West Extension During The Eocene Resulted In Formation Of The Toroda Creek Graben And Other Structures In Which A Thick Section Of Volcanic And Sedimentary Rocks Was Deposited And Preserved (Holder And Others, 1989).
Economic & production
Development statusOccurrence
Identification
Deposit ID10093021
MRDS IDSP00186
RegionNA
Data scoreB
Coordinates48.75345, -118.84643
References
DORISY, C.E., 1937, INDEX OF MINERAL OCCURENCES IN THE STATE OF WASHINGTON (REVISED EDITION): WASHINGTON STATE PLANNING COUNCIL RESEARCH PUBLICATION 2, 47 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.MOEN, W.S., 1980, MYERS CREEK AND WAUCONDA MINING DISTRICTS OF NORTHEASTERN OKANOGAN COUNTY, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 73, 96 P., 6 PL.STOFFEL, K.L., COMPILER, 1990, GEOLOGIC MAP OF THE REPUBLIC 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-10, 62 P., 1 PL.WDGER OF 90-18