Commodities
TertiaryChromium, Iron, Stone, Crushed/Broken
Commodity typeB
Materials
Other materialsChromite, Magnetite, Olivine, Serpentine
Economic & production
Development statusOccurrence
First production1918
Discovery year1902
Identification
Deposit ID10179826
Alternate namesSmith, Ready Cash, Cypress Lake, Smith Open Cut, Last Chance
RegionNA
Data scoreB
Coordinates48.5756, -122.71376
References
CONWAY R D GEOCHMY CYPRS I ULTRA-MFC BODY WA UNPUBD THESIS UMCLELLAN R D GEOL SAN JUAN ISLES UWA PUBS IN GEOL VOL 2 1927PARDEE J T OTHERS CR ORES IN WASHUSGS BUL 725-A 1922VHAY J S US CONG 89TH 2ND SES COMINTERIOR INSULAR AFRS COM PWILSON HEWITT OTHERS SOME REFRACTPROPS WASH CR USBM RI 3694FULKERSON F B OTHERS USBM MINSYR BK VOL 3 1958 P1002WASH. DIV. OF MINES AND GEOL. BULL. 57, 1969.RAGAN, D.M., GEOL. OF TWIN SISTERS DUNITE NORTHERNCASCADES, WASHINGTON, UNPUB THESIS UNIV OF WASH, 1961.SPANSKI, G.T., TWIN SISTERS MTS, WASH, UNIV OFILLINOIS 1963.CHROMITE DEPOSITS OF THE THREE LAKES AREA, TWIN SISTERSRANGE, WHATCOM AND SKAGIT COUNTIES, WASH., SUNSHINEMINING CO. CONFIDENTIAL REPORT, 1942.WASH. STATE DIV. OF GEOL. AND EARTH RESOURCES, UNPUBDATA.