Commodities
TertiaryIron, Chromium
Commodity typeM
Materials
Other materialsChromite, Enstatite, Magnetite, Olivine, Serpentine
Economic & production
Development statusOccurrence
Discovery year1937
Identification
Deposit ID10302362
MRDS IDM700101
Alternate namesSeymour Creek
RegionNA
Data scoreB
Coordinates48.72201, -122.00344
References
GAUDETTE, H.E., GEOCHEMISTRY OF THE TWIN SISTERSULTRAMAFIC BODY, WASHINGTON, UNPUB. THESIS, UNIV. OFILLINOIS, 1953.WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II,VOL. 1, P. 42.USGS STRATEGIC MINERALS INVENTORY MAP, 1943.WA. DIV. MINES AND GEOL. BULLETIN 57, 1969, TABLE 19,P. 68.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.