Commodities
PrimarySilver, Gold, Copper, Cobalt
Commodity typeM
Deposit
Deposit sizeN
Ore controlThe Deposit Consists Of A Silicified Zone As Much As 50ft. Wide In Serpentinite (Huntting, 1956, P. 60). The Deposit Consists Of Copper And Iron Sulfides And Could Be A Magmatic Segregation Deposit.
Materials
Ore mineralsChalcopyrite
GanguePyrite, Quartz, Serpentine
Geology
Host rockSerpentinite
Tectonic settingThe Ingalls Complex Was Accreted To The North American Continent In The Late Mesozoic (Miller, 1985, P. 27-42).
Economic & production
Development statusOccurrence
Production years1905 AND 1907
Identification
Deposit ID10055940
MRDS IDSP00152
Alternate namesBonanza
RegionNA
Data scoreB
Coordinates47.44482, -120.97924
References
FRIZZELL, V.A., JR.; TABOR, R.W.; BOOTH, D.B.; ORT, K.M.; WAITT, R.B., 1984, PRELIMINARY GEOLOGIC MAP OF THE SNOQUALMIE PASS 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 84-693, 42 P., 1 PL.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.MILLER, R. B., 1985, THE OPHIOLITIC INGALLS COMPLEX, NORTH-CENTRAL CASCADE MOUNTAINS, WASHINGTON: GEOLOGICAL SOCIETY OF AMERICA BULLETIN, V. 96, NO. 1, P. 27-42.WDGER OFR 90-18