Mine detail: Apex

Previously called 'Bondholder SyndicateApex GoldNational GoldApex-Damon'

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Location

Lat / long: 47.69481, -121.51342

Resource(M)

Primary: Zinc, Gold, Silver, Copper, Lead
Tertiary: Antimony, Arsenic
Ore: Chalcopyrite, Galena, Pyrite, Sphalerite, Stibnite, Tetrahedrite
Gangue: Calcite, Quartz, Tourmaline
Orebody form: VEIN
Discovery year: 1892

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1905, 1908, 1910, 1912, 1913, 1916-1920, 1926, 1928, 1936-1943

Geology

Host rock:Snoqualmie Batholith, Northern Phase;Snoqualmie Batholith, Northern Phase
Host type:Tonalite
Structure:Fissure
Tectonic:Cascade Volcanic Arc

References

MRDSMP00216
DEP10048618
Reference{Deposit:: 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. 106.}{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 126.}{Deposit:: MOEN, W.S., 1976, SILVER OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 69, P. 165-166.}{Deposit:: GUALTIERI, J.L., THURBER, H.K., MILLER, M.S., MCMAHAN, A.B., AND FEDERSPOEL, F.F., 1975, MINERAL RESOURCES OF ADDITIONS TO THE ALPINE LAKES STUDY AERA, CHELAN, KING, AND KITTITAS COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 75-3, P. 103, 106.}{Deposit:: LIVINGSTON, V.E., JR., 1971, GEOLOGY AND MINERAL RESOURCES OF KING COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 63, P. 145.}{Deposit:: DERKEY, R.E., GULICK, C.W., LINGLEY, W.S., JR., 1993, WASHINGTO* MINERAL INDUSTRY - 1992: WASHINGTON GEOLOGY, V. 21, NO. 1, P. 3-25.}{Production:: HUNTTING, 1956}{Reserve-Resource:: GUALTIERI AND OTHERS, 1975}
ReporterPeterson, Jocelyn A.