Commodities
PrimaryAntimony, Gold, Lead, Zinc, Tungsten, Silver
Commodity typeM
Deposit
Deposit sizeY
Ore controlThe Host Rocks Of The Deposit Strike N30-40w And Dip 50-80w. The Dip Of Shear Fractures Containing Fine Stringer Veins Is At A Lower Angle Than That Of The Bedding. Alteration, While Extensive, Is Limited To A Small Area Around The Vein (Purdy, 1951).
Materials
Ore mineralsChalcopyrite, Galena, Jamesonite, Scheelite, Sphalerite, Stibnite
GangueCalcite, Pyrrhotite
Other materialsPyrite
Geology
Host rockArgillite,Siltstone
Tectonic settingThe Newby Group Was Deposited In An Active Margin Setting, Along Or Near An Island Arc.
Economic & production
Development statusPast Producer
Identification
Deposit ID10055967
MRDS IDSP00191
Alternate namesNew Deal, Dixie Queen, Reedy, Silver Seal;
RegionNA
Data scoreB
Coordinates48.20094, -120.1809
References
BARKSDALE, J.D., 1948, STRATIGRAPHY IN THE METHOW QUADRANGLE, WASHINGTON: NORHTWEST SCIENCE, V. 22, NO. 4, P. 164-176.BUNNING, B.B., COMPILER, 1990, GEOLOGIC MAP OF THE EAST HALF OF THE TWISP 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-9, 51 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.PURDY, C.P., JR., 1951, ANTIMONY OCCURENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 39, 186 P.WDGER OF 90-18