Commodities
TertiaryCopper, Zinc, Silver, Molybdenum, Lead, Iron, Gold
Commodity typeM
Deposit
Model53: Porphyry Cu
Orebody formbreccia pipes
Materials
Ore mineralsChalcopyrite, Gold, Pyrite, Silver, Azurite, Malachite
GangueTourmaline
Other materialsSphalerite
Geology
Host rockQuartz Diorite
Associated rockQuartz Monzonite,Dacite,Volcanic Breccia (Agglomerate)
Economic & production
Development statusProspect
Discovery year1900
Identification
Deposit ID10301870
Alternate namesEarl, Margaret Mine Project, Spirit Lake
RegionNA
Data scoreB
Coordinates46.35791, -122.07729
References
WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1, P. 78.WAS. DIV. MINES AND GEOL. INFO. CIRC. 48, 1973, P. 15.Moen, W.S., 1977, St. Helens and Washougal Mining Districts of the sourthern Cascades of Washington: Washington Division of Geology and Earth Resources INFO. CIRC. 60, 1977, P. 25.U.S. BUREAU OF MINES RI 5343, 1957, 16 P.HILLMAN, C. T., 1970, GEOLOGY OF THE MT. MARGARET-GREEN RIVER AREA, WASHINGTON: M.S. THESIS, MIAMI UNIV., OXFORD, OH.