Great Republic

Occurrence in King county in Washington, United States with commodities Antimony, Gold, Silver
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. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10055928
MRDS ID SP00140
Record type Site
Current site name Great Republic
Alternate or previous names Happy Thought
Related records 10097778

Geographic coordinates

Geographic coordinates: -121.4012, 47.69843 (WGS84)

Site location context

Political divisions (FIPS codes)

King(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grotto(quadrangle 1:24,000 scale)

Skykomish River(quadrangle 1:100,000 scale)

Wenatchee(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Skykomish(hydrologic unit)

Puget Sound(hydrologic accounting unit)

Puget Sound(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Mt. Baker-Snoqualmie 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 King

Public Land Survey System information

Meridian Township Range Section Fraction State
026N 011E 33 N2 OF SW4 Washington

Comments on the location information

  • AT THE FIRST FALLS ON HAPPY THOUGHT CREEK ABOUT 1/2 MILE FROM THE MILLER RIVER

Commodities

Commodity Importance
Antimony Critical Primary
Gold Primary
Silver Primary

Materials information

Materials Type of material
Stibnite Ore
Calcite Gangue
Kaolinite Gangue
Pyrite Gangue
Quartz Gangue
Sericite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Eocene

Nearby scientific data

(1) -121.4012, 47.69843

Economic information

Controls for ore emplacement

  • The Best Mineralization Occurs Along A Gently Dipping Fault In Andesite (Purdy, 1951, P. 75). Stibnite And Pyrite Are Present In Quartz, Calcite, And Andesite Gangue (Livingston, 1971, P. 157).

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Miller River

Comments on development

  • ECON.COM: PRODUCED 1938-1941 (HUNTTING, 1956, P. 17).

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MINERALIZATION OCCURS IN THE SILVER PASS VOLCANIC MEMBER OF THE SWAUK FORMATION. THE VOLCANIC MEMBER CONSISTS OF RHYOLITIC TO ANDESITIC BRECCIA AND FELDSPAR PORPHYRY (TABOR AND OTHERS, 1982, P. 13). ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1991 Berger, Mary A. U.S. Geological Survey
Updater 01-AUG-1992 Frank, Dave U.S. Geological Survey

Beyond USGS

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