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Dolphin Mine

Producer in Kittitas county in Washington, United States with commodities Copper, Silver, Gold, Cobalt, Iron
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10109505
MRDS ID M025867
Record type Site
Current site name Dolphin Mine
Alternate or previous names Bonanza
Related records 10055940

Geographic coordinates

Geographic coordinates: -120.97924, 47.44482 (WGS84)
Elevation 1768
Relative position 27 MI BY ROAD FROM RONALD; ABOUT 0.1 MI NORTH OF GALLAGHER HEAD LAKE

Site location context

Political divisions (FIPS codes)

Kittitas(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Stuart(quadrangle 1:24,000 scale)

Wenatchee(quadrangle 1:100,000 scale)

Wenatchee(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yakima(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)

Geographic areas

Country State County
United States Washington Kittitas

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 023N 015E 33 Washington

Comments on the location information

  • ON SOUTHEAST SLOPE OF MT. HAWKINS

Commodities

Commodity Importance
Copper Primary
Silver Tertiary
Gold Tertiary
Cobalt Critical Tertiary
Iron Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Quartz Gangue
Serpentine Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
    Rock unit name Ingalls Tectonic Complex
    Rock description Ingalls Tectonic Complex
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Jurassic

Economic information

Ore body information

  • General form DISSEMINATED
    Width 15.24M

Controls for ore emplacement

  • Magmatic Segregation?

Comments on the geologic information

  • INGALLS COMPLEX IS AN OPHIOLITE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1905-1917

Land status

Ownership category National Forest
Area name In Wenatchee National Forest

Ownership information

  • Type Owner
    Owner Phil Denny
    Home office Seattle, Wa.
    First year 1951

Production statistics

  • Year 1917
    Period 1905-1917
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^6% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Copper Copper 1wt-pct

Workings at the site

  • Type of workings Underground
    Length 419.1M
    Overall depth 30.48M

Comments on the workings information

  • SHAFT AND THREE ADITS

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, P. 60.

  • Deposit

    DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 129.

General comments

Subject category Comment text
Deposit SILICIFIED ZONE. THE TYPE OF DEPOSIT IS UNKNOWN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1985 Andrews, David H. (Lawson, William A.) U.S. Geological Survey
Updater 01-APR-1992 Peterson, Jocelyn A. 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