Commodities
PrimaryCopper
SecondarySilver, Gold
TertiaryArsenic, Molybdenum
Commodity typeM
Deposit
Deposit typeVein, porphyry copper
Deposit sizeS
WorkingsUnderground
Orebody formBRECCIA MATRIX
Ore controlBrecciation Of Stock
Materials
Ore mineralsArsenopyrite, Bornite, Chalcocite, Chalcopyrite, Malachite, Pyrite
GangueQuartz, Sericite, Talc, Tourmaline
Geology
Host rockQuartz Monzonite · Spirit Lake Pluton, Main Phase
Tectonic settingCascade Volcanic Arc
AlterationOxidation, Sericitized
Economic & production
Development statusProspect
Identification
Deposit ID10100755
MRDS IDM700187
Alternate namesPolar Star Nos. 1-3, Blackhawk, Claims: Phil Sheridan Nos. 1 and 2, Black Falls Nos. 1 and 2, Polar Star Jr. Nos. 1-3
RegionNA
Data scoreB
Coordinates46.35231, -122.1073
References
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 78. (also includes Black Falls property on p. 76)LANDES, HENRY, THYNG, W.S., LYON, D.A., AND ROBERTS, MILNOR, 1902, THE METALLIFEROUS RESOURCES OF WASHINGTON, EXCEPT IRON: WASHINGTON GEOLOGICAL SURVEY ANNUAL REPORT FOR 1901, V. 1, PT. 2, P. 134.MOEN, W.S., 1977, ST. HELENS AND WASHOUGAL MINING DISTRICTS OF THE SOUTHERN CASCADES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES INFORMATION CIRCULAR 60, P. 17-24.ASHLEY, R.P., AND PETERSON, J.A., 1991, FILED EXAM WITH CONSULTANT RON PARKER WORKING FOR CHAMPION LUMBERDERKEY, R.E., GULICK, C.W., AND LINGLEY, W.S., JR., 1993, WASHINGTON'S MINERAL INDUSTRY - 1992: WASHINGTON GEOLOGY, V. 21, NO. 1, P. 3-25.