Mine detail: Terra Alta Prospect

Previously called ''

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Location

Lat / long: 48.93787, -121.61568

Resource(M)

Primary: Gold
Secondary: Silver
Ore: Gold, Pyrite
Gangue: Quartz
Orebody form: VEIN

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1925

Geology

Host rock:Easton Metamorphic Suite, Darrington Phyllite;Easton Metamorphic Suite, Darrington Phyllite
Host type:Phyllite
Tectonic:Cascade Volcanic Arc
Alteration processes:Oxidation

References

MRDSM700098
DEP10047814
Reference{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37 P. 179.}{Deposit:: MOEN, W.S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 94.}{Deposit:: LANDES, HENRY, THYNG, W.S., LYON, P.A., ROBERTS, MILNOR, 1902, THE METALLIFEROUS RESOURCES OF WASHINGTON, EXCEPT IRON: WASHINGTON GEOLOGICAL SURVEY ANNUAL REPORT FOR 1901, PT 2, P 82.}{Deposit:: TABOR, R.W., HAUGERUD, R.A., BOOTH, D.B., AND BROWN, E.B., 199X, PRELIMINARY GEOLOGIC MAP OF THE MOUNT BAKER 30 X 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 9X-XXX, SCALE 1:100,000 (IN PREPARATION IN 1993).}
ReporterPeterson, Jocelyn A., Caress, Mary E. (Evarts, Russ)