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Iron King Mine

Past Producer in Grant county in Oregon, United States with commodity Chromium
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Geologic information

Identification information

Deposit ID 10098326
MRDS ID M014927
Record type Site
Current site name Iron King Mine
Related records 10249977

Geographic coordinates

Geographic coordinates: -118.92384, 44.35318 (WGS84)
Elevation 1646
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Geographic areas

Country State County
United States Oregon Grant

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 014S 032E 18 SW Oregon

Comments on the location information

  • SW 1/4

Commodities

Commodity Importance
Chromium Primary

Materials information

Materials Type of material
Chromite Ore
Aragonite Gangue
Calcite Gangue

Analytical data

Result ORE IS HARD, TOUGH AND BRITTLE
Result 34 % OF CHROMIC OXIDE

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
    Rock unit name Canyon Mountain Complex
    Rock description Canyon Mountain Complex
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -118.92384, 44.35318
ListMap

Ore body information

  • General form TABULAR AND ISOLATED LENSES
    Thickness 3.05M
    Length 38.1M

Comments on the geologic information

  • GEOL.DESC: TABULAR ORE BODY IS BOUND ON WEST BY SEVERAL FAULTS; LIES NEARLY HORIZONTAL AND DIPS GENTLY TO THE NORTH. ORE IS SHEARED, FAULTED AND BROKEN. BANDING IS INDISTINCT. ORE HAS UNDERGONE MOVEMENT SINCE EMPLACEMENT.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Production years 1917 - 1918

Mining district

District name Canyon

Land status

Area name Malheur Natioal Forest

Comments on the production information

  • TOTAL PRODUCTION APPROXIMATELY 6500 TONS.

Reserves and resources

  • Type In-situ
    Estimate year 1956
    Total resources 34,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Chromium Cr2O3 22 wt-pct Chromium Major 1956

Comments on the workings information

  • OPEN QUARRY, TUNNEL, AND SMALL OPEN PITS. TOTAL PRODUCTION APPROXIMATELY 6500 TONS.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M014927
U.S. Bureau of Mines Minerals Availability System MAS 0410230005

Bibliographic references

  • Deposit

    ALLEN, J. E., 1938 , CHROMITE DEPOSITS IN OREGON, ODGMI, BULL. 9 , P. 55

  • Deposit

    OREGON METAL MINES HANDBOOK, 1941 , ODGMI, BULL. 14 - B, P. 27 - 28

  • Deposit

    WESTGATE, L. G., 1920 , DEPOSITS OF CHROMITE IN EASTERN OREGON, U. S. G. S. BULL. 725 - A, P. 49 .

  • Deposit

    HUNDHAUSEN, R.J. AND OTHERS, 1956, EXPLORATION AND UTILIZATION STUDIES, JOHN DAY CHROMITES, OREGON; USBM INV. REPT. 5238, P.9, 15

  • Deposit

    1942 DIREXPL USBM REF.

General comments

Subject category Comment text
Deposit RECORD ( W017039 ) HAS BEEN MERGED WITH THIS RECORD, AND DELETED FROM THE OREGON FILE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-APR-1980 Bradley, Robin (Walker, George W.) U.S. Geological Survey
Updater 01-AUG-1993 Gray, Jerry J. Oregon Department of Geology and Mineral Industries