Mine detail: Twins Group

Previously called 'MonaFloatsGroverBearTwins No.1PedroDeerCougarTwins No.2SandyAntelope'

<< Back to the map

Location

Lat / long: 48.62671, -121.90264

Resource(M)

Tertiary: Chromium, Iron
Other material: Chromite, Enstatite, Magnetite, Olivine, Serpentine
Discovery year: 1940

Production

Operation type: Surface
Development status: Occurrence

Geology

References

MAS530570013
DEP10252767
Reference{Deposit:: GAUDETTE, H.E., GEOCHEMISTRY OF THE TWIN SISTERS}{Deposit:: ULTRAMAFIC BODY, WASHINGTON, UNPUB. THESIS, UNIV. OF}{Deposit:: ILLINOIS, 1953.}{Deposit:: WASH, DIV. OF MINES AND GEOL. BULL. 37, 1956.}{Deposit:: CHROMITE DEPOSITS OF TWIN SISTERS MTS., WASHINGTON.}{Deposit:: SHINE MING CO CONFIDENTIAL RPT 1942 FILES USBM WFOC}
ReporterLucas, J.M.