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Mesatchee Creek Prospects

Occurrence in Yakima county in Washington, United States with commodities Copper, Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10048445
MRDS ID MP00032
Record type Site
Current site name Mesatchee Creek Prospects
Alternate or previous names American River, Morse-Union

Geographic coordinates

Geographic coordinates: -121.41535, 46.87899 (WGS84)
Elevation 1433
Location accuracy 100(meters)
Relative position ABOUT 4 MI NORTHWEST OF BUMPING LAKE, ABOUT 3 MI SOUTHWEST OF LODGEPOLE CAMPGROUND; ABOUT 5 MI NORTH OF COUGAR LAKE, Accurate Within Claim Area. Location Given Is Southernmost Prospect Of Group Shown In Simmons

Site location context

Political divisions (FIPS codes)

Yakima(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Norse Peak(quadrangle 1:24,000 scale)

Mount Rainier(quadrangle 1:100,000 scale)

Yakima(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Naches(hydrologic unit)

Yakima(hydrologic accounting unit)

Yakima(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Okanogan-Wenatchee National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

William O. Douglas Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington Yakima

Comments on the location information

  • UNSURVEYED

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary

Comments on the commodity information

  • SUPERGENE COPPER MINERALS ARE RARE

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Pyrite Ore

Alteration

  • (Local) Granodiorite Sericitized, Silicified; Rhyolite Heavily Stained By Fe-Oxides

Analytical data

Result 27 SAMPLES YIELDED MAXIMUMS OF TR AU, 0.2 OZ/TON AG, 0.072% CU

Mineral occurrence model information

Model code 53
USGS model code 17
Deposit model name Porphyry Cu
Mark3 model number 4

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Ohanapecosh Formation;Ohanapecosh Formation;Bumping Lake Pluton
    Rock description Ohanapecosh Formation;Ohanapecosh Formation;Bumping Lake Pluton

Nearby scientific data

(1) -121.41535, 46.87899
ListMap

Economic information

Ore body information

  • General form DISSEMINATED AND IN NARROW VEINLETS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1895

Land status

Ownership category National Wilderness
Area name In William O. Douglas Wilderness In Snoqualmie National Forest

Ownership information

  • Type Operator
    Owner Duval International Corp.
    First year 1973

Comments on the workings information

  • 3 ADITS, SEVERAL PITS, DIAMOND DRILL HOLE

Comments on development

  • DUVAL ENCOUNTERED SECONDARY CHALCOCITE ZONE IN DRILL HOLE

Reference information

Bibliographic references

  • Deposit

    HOLLISTER, V.F., 1979, PORPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, V. 11, P. 34.

  • Deposit

    SIMMONS, G.C., VAN NOY, R.M., AND ZILKA, N.T., 1983, MINERAL RESOURCES OF THE COUGAR LAKES-MOUNT AIX STUDY AREA, YAKIMA AND LEWIS COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1504, P. 54-55.

General comments

Subject category Comment text
Deposit Discovery Year: 1890'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

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