1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

American Rand

Occurrence in Okanogan county in Washington, United States with commodities Molybdenum, Gold, Silver, Copper
Map
XML
JSON
KML
B
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10093022
MRDS ID SP00188
Record type Site
Current site name American Rand
Alternate or previous names Spokane

Geographic coordinates

Geographic coordinates: -119.53839, 48.89428 (WGS84)

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bullfrog Mountain(quadrangle 1:24,000 scale)

Oroville(quadrangle 1:100,000 scale)

Okanogan(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Okanogan(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Washington Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 039N 026E 11 W4 CORNER Washington

Commodities

Commodity Importance
Molybdenum Primary
Gold Primary
Silver Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Molybdenite Ore
Pyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite

Nearby scientific data

(1) -119.53839, 48.89428
ListMap

Economic information

Controls for ore emplacement

  • A 15-Inch-Wide, North-Trending, 20-40-E-Dipping, Quartz Vein In Argillite A Short Distance Above The Contact With A Pluton (Umpleby, 1911, P. 98).

Comments on the geologic information

  • THE VEIN IS IN METASEDIMENTARY ROCKS OF THE SPECTACLE FORMATION APPROXIMATELY 75 FEET ABOVE THE CONTACT WITH THE WHISKEY MOUNTAIN PLUTON (UMPLEBY, 1911, P. 98; RINEHART AND FOX, 1972, GEOL. MAP).

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • PRODUCED IN 1916-1918 AND 1935-1938 (HUNTTING, 1956, P. 149).

Reference information

Bibliographic references

  • Deposit

    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.

  • Deposit

    RINEHART, C.D.; FOX, K.F., JR., 1972, GEOLOGY AND MINERAL DEPOSITS OF THE LOOMIS QUADRANGLE, OKANOGAN COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 64, 124 P., 3 PL.

  • Deposit

    UMPLEBY, J.B., 1911, PART I. GEOLOGY AND ORE DEPOSITS OF THE MYERS CREEK MINING DISTRICT; PART II. GEOLOGY AND ORE DEPOSITS OF THE OROVILLE-NIGHTHAWK MINING DISTRICT: WASHINGTON GEOLOGICAL SURVEY BULLETIN 5, 111 P.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1991 Berger, Mary A. U.S. Geological Survey
Updater 01-MAY-1993 Frank, Dave U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site