Hecla Prospect

Occurrence in Snohomish county in Washington, United States with commodities Copper, 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. 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. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10036932
MRDS ID M025905
Record type Site
Current site name Hecla Prospect
Related records 10229118

Geographic coordinates

Geographic coordinates: -121.62261, 48.11092 (WGS84)
Elevation 914
Location accuracy 1000(meters)
Relative position ABOUT 3.5 MI NORTHWEST OF SILVERTON, Estimated In Sw/4 Sec. Near Marten Creek

Site location context

Political divisions (FIPS codes)

Snohomish(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Silverton(quadrangle 1:24,000 scale)

Sauk River(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Stillaguamish(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)

Boulder River Wilderness(Wilderness)

Wilderness 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 030N 009E 02 Washington

Comments on the location information

  • AT HEAD OF MARTEN CREEK

Commodities

Commodity Importance
Copper Primary
Gold Tertiary
Silver Tertiary

Materials information

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

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 Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Squire Creek Stock And Related Intrusive Rocks
    Rock description Squire Creek Stock And Related Intrusive Rocks
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene

Nearby scientific data

(1) -121.62261, 48.11092

Economic information

Ore body information

  • General form FRACTURE COATINGS
    Strike N40E
    Dip 70NW

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Silverton District

Land status

Ownership category National Wilderness
Area name In Boulder River Wilderness In Mount Baker National Forest

Comments on the workings information

  • OPEN CUTS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ORE CONSISTS OF MINERALIZATION ALONG ONE JOINT SET IN GRANODIORITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-85 Andrews, David H. (Lawson, William A.) U.S. Geological Survey
Updater 01-FEB-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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