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Ontario Prospect

Occurrence in Snohomish county in Washington, United States with commodities Lead, Silver, Gold
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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. 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. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10095348
MRDS ID M025689
Record type Site
Current site name Ontario Prospect
Related records 10228858

Geographic coordinates

Geographic coordinates: -121.4401, 47.92148 (WGS84)
Elevation 183
Location accuracy 1000(meters)
Relative position ABOUT 1.6 MI NORTH OF GALENA SITE, Estimated Near Se Corner Of Section

Site location context

Political divisions (FIPS codes)

Snohomish(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Monte Cristo(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 Snohomish

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 028N 011E 07 Washington

Comments on the location information

  • JUST SOUTH OF COPPER CHIEF PROPERTY

Commodities

Commodity Importance
Lead Primary
Silver Primary
Gold Primary

Comments on the commodity information

  • VALUES ARE CHIEFLY IN PB

Materials information

Materials Type of material
Galena Ore
Pyrite Ore

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Swauk Formation;Swauk Formation
    Rock description Swauk Formation;Swauk Formation
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Index Batholith
    Rock description Index Batholith

Nearby scientific data

(1) -121.4401, 47.92148
ListMap

Economic information

Ore body information

  • General form VEIN
    Dip STEEPLY N
    Thickness 1.83M

Comments on the geologic information

  • GEOLOGIC MAP INDICATES AREA IS UNDERLAIN BY ROCKS OF SWAUK FORMATION. DIORITE MAY BE DIKE ASSOCIATED WITH EITHER INDEX OR GROTTO BATHOLITH

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900

Mining district

District name Silver Creek District

Land status

Ownership category National Forest
Area name In Snoqualmie National Forest

Comments on the production information

  • 100 TONS OF ORE ON DUMP IN 1901

Workings at the site

  • Type of workings Underground
    Length 121.92M

Comments on the workings information

  • SEVERAL SHORT 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. 235.

  • Deposit

    LANDES, HENRY, THYNG, W.S., LYON, D.A., AND ROBERTS, MILNOR, 1902, THE METALLIFEROUS RESOURCES OF WASHINGTON EXCEPT IRON: WASHINGTON GEOLOGICAL SURVEY ANNUAL REPORT FOR 1901, V. 1, P. 113-114.

  • Deposit

    TABOR, R.W., FRIZZELL, V.A., JR., BOOTH, D.B., WHETTEN, J.T., WAITT, R.B., JR., AND ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, SCALE 1:100,000.

General comments

Subject category Comment text
Deposit MINERALIZED SHEAR ZONE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-85 Andrews, David H. (Lawson, William A.) U.S. Geological Survey
Updater 01-MAY-92 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