Commodities
PrimaryCopper
SecondarySilver, Gold
Commodity typeM
Deposit
Model85: Polymetallic veins
Deposit sizeN
WorkingsUnderground
Orebody formVEIN
Ore controlFault Zone
Materials
Ore mineralsChalcopyrite, Malachite, Pyrite
GangueQuartz
Geology
Host rockDiorite · Spirit Lake Pluton, Main Phase
Tectonic settingCascade Volcanic Arc
Economic & production
Development statusOccurrence
Identification
Deposit ID10047834
MRDS IDM700159
Alternate namesMartha Washington Mine
RegionNA
Data scoreB
Coordinates46.30759, -122.11286
References
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, P. 77.LANDES, HENRY, THYNG, W.S., LYON, D.A., ROBERTS, MILNOR, 1902, THE METALLIFEROUS RESOURCES OF WASHINGTON, EXCEPT IRON: WASHINGTON GEOLOGICAL SURVEY ANNUAL REPORT FOR 1901, V. 1, PT. 2, P. 133.MOEN, W.S., 1977, ST HELENS AND WASHOUGAL MINING DISTRICTS OF THE SOUTHERN CASCADES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES INF. CIRC. 60, P. 17, 38.