Commodities
PrimaryAntimony, Gold, Silver
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeN
Ore controlThe Best Mineralization Occurs Along A Gently Dipping Fault In Andesite (Purdy, 1951, P. 75). Stibnite And Pyrite Are Present In Quartz, Calcite, And Andesite Gangue (Livingston, 1971, P. 157).
Materials
Ore mineralsStibnite
GangueCalcite, Kaolinite, Pyrite, Quartz, Sericite
Geology
Host rockAndesite
Tectonic settingThe Great Republic Mine Is In A Volcanic Member Of The Swauk Formation, Which Is Early Eocene (52 M.Y.) And Pre-Cascade Magmatic Arc (Tabor And Others, 1982, Geol. Map, P. 13).
Economic & production
Development statusOccurrence
Identification
Deposit ID10055928
MRDS IDSP00140
Alternate namesHappy Thought
RegionNA
Data scoreB
Coordinates47.69843, -121.4012
References
WDGER OFR 90-18HUNTTING, 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.LIVINGSTON, V.E., JR., 1971, GEOLOGY AND MINERAL RESOURCES OF KING COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 63, 200 P., 8 PL.PURDY, C.P., JR., 1951, ANTIMONY OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 39, 186 P.TABOR, R.W.; FRIZZELL, V.A., JR.; BOOTH, D.B.; WHETTEN, J.T.; WAITT, R.B.; ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, 31 P., 1 PL.