Washington · Grays Harbor County
Occurrence

Elma

Grays Harbor County, Washington, United States
IronTitaniumMetal
⌖ Show on mapUSGS source ↗
Commodities
PrimaryIron, Titanium, Metal
Commodity typeM
Deposit
Deposit typeFossil Placer
Deposit sizeN
Ore controlThis Fossil Heavy-Mineral Deposit Occurs As A 1-4-Ft.-Thick Bed Of Stratified, Weakly Consolidated Black Sand That Covers 2-3 Acres (Huntting, 1956, P. 196). A Specimen Of The Ore, Studied Under A Hand Lens, Appears To Be Made Up Of Small, Well-Rounded Grains Of Magnetite And Ilmenite, Which Are Firmly Cemented Together (Data From Usgs, Mrds, 1990).
Materials
Ore mineralsIlmenite, Magnetite
Geology
Host rockSandstone
Tectonic settingForearc Volcaniclastic Basin That Grades Eastward Into Nonmarine Volcaniclastic Rocks Associated With The Cascade Magmatic Arc (Logan, 1987, Geol. Map, P. 8).
Economic & production
Development statusOccurrence
Identification
Deposit ID10055914
MRDS IDSP00126
Alternate namesDennis
RegionNA
Data scoreC
Coordinates47.01341, -123.31374
References
WDGER OFR 90-18LOGAN, R.L., COMPILER, 1987, GEOLOGIC MAP OF THE SOUTH HALF OF THE SHELTON AND SOUTH HALF OF THE COPALIS BEACH QUADRANGLES, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN FILE REPORT 87-9, 15 P., 1 PL.HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.SHEDD, SOLON; JENKINS, O.P.; COOPER, H.H., 1922, IRON ORES, FUELS, AND FLUXES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY BULLETIN 27, 160 P., 1 PL.