Mine detail: Thunder Mountain Group

Previously called 'CraterHardscrabbleOdmark'

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Location

Lat / long: 48.71151, -122.01434

Resource(M)

Tertiary: Chromium, Iron
Other material: Chromite, Enstatite, Magnetite, Olivine, Serpentine
Discovery year: 1935

Production

Operation type: Surface-Underground
Development status: Prospect

Geology

References

MRDSM700099
MAS530730011
DEP10131537
Reference{Deposit:: GAUDETTE, H.E., GEOCHEMISTRY OF THE TWIN SISTERS}{Deposit:: ULTRAMAFIC BODY, WASHINGTON, UNPUB. THESIS, UNIV. OF}{Deposit:: ILLINOIS, 1953.}{Deposit:: WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II,}{Deposit:: VOL. 1, P. 42.}{Deposit:: WA. DIV. MINES AND GEOL. BULLETIN 57, 1969, TABLE 19,}{Deposit:: P. 68.}{Deposit:: RAGAN, D.M., GEOL. OF TWIN SISTERS DUNITE NORTHERN}{Deposit:: CASCADES, WASHINGTON, UNPUB THESIS UNIV OF WASH, 1961.}{Deposit:: SPANSKI, G.T., TWIN SISTERS MTS, WASH, UNIV OF}{Deposit:: ILLINOIS 1963.}
ReporterRidenour, James