Mine detail: Broken Ridge Prospect

Previously called ''

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Location

Lat / long: 47.90898, -121.44288

Resource(M)

Primary: Copper, Silver
Secondary: Gold
Tertiary: Zinc, Silica, Uranium
Ore: Bornite, Chalcopyrite, Pyrite, Sphalerite
Gangue: Quartz
Orebody form: VEIN

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1934

Geology

Tectonic:Cascade Volcanic Arc
Alteration processes:Silicification

References

MRDSM025606
DEP10036703
Reference{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 80.}{Deposit:: TABOR, R.W., FRIZZELL, V.A., JR., YEATS, R.S., AND WHETTEN, J.T., 1982, GEOLOGIC MAP OF THE EAGLE ROCK AND GLACIER PEAK ROADLESS AREAS, SNOHOMISH AND KING COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-1380-A, SCALE 1:100,000.}
ReporterAndrews, David H. (Lawson, William A.), Peterson, Jocelyn A.