Description
International Boundary Commission
Commodities
PrimaryTungsten
SecondaryZinc, Silver
TertiaryCopper, Bismuth, Lead
Commodity typeM
Deposit
Model85: Polymetallic veins
Deposit sizeY
WorkingsSurface/Underground
Orebody formVEIN, STOCKWORK
Ore controlVeins Are Parallel To A Prominant Joint Set
Materials
Ore mineralsPyrite, Scheelite, Sphalerite, Wolframite
GangueHematite, Limonite, Quartz, Sericite
Geology
Host rockQuartz Monzonite · Cathedral Batholith
Associated rockBasalt
StructureNumerous Small Normal Faults Of Small Displacements Offset Veins. Joint System (Ne Strike, 10-15nw Dip).
Tectonic settingCascade Volcanic Arc
AlterationWall Rock Is Hydrothermally Altered; Silicification Of Vein Walls And Kaolinization Of Orthoclase To 2 Ft From The Vein Wall.
Economic & production
Development statusPast Producer
First production1916
Last production1942
Discovery year1898
Identification
Deposit ID10042396
MRDS IDM060164
Alternate namesHatfield, Ferris R. Ford, Border Lord, Boundary Group, Last Chance Claim, Wolframite Mountain
RegionNA
Data scoreB
Coordinates48.97677, -120.13313
References
STAATZ, M.H., WEIS, P.L., TABOR, R.W., ROBERTSON, J.F., VAN NOY, R.M., PATTEE, E.C., AND HOLT D.C., 1971, MINERAL RESOURCES OF THE PASAYTEN WILDERNESS AREA, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1325, P. 91-97.CULVER, H.E., AND BROUGHTON, W.A., 1945, TUNGSTEN RESOURCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY BULLETIN 34, P. 36-41.HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 344, 346.DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 286.1965 RECON U.S. BUREAU OF MINES-BULLETIHUNTTING, P. 346USGS BULL. 1325, P. 97