Q.T.

Occurrence in Snohomish county in Washington, United States with commodities Gold, Silver, Copper, Zinc, Arsenic
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. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10048585
MRDS ID MP00183
Record type Site
Current site name Q.T.

Geographic coordinates

Geographic coordinates: -121.40065, 47.96788 (WGS84)
Elevation 1189
Relative position ABOUT 1.3 MI SOUTH OF MONTE CRISTO; ABOUT 0.3 MI SOUTHEAST OF SILVER LAKE

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)

Henry M. Jackson 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 029N 011E 33 SE4 Washington

Comments on the location information

  • UNSURVEYED

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Primary
Zinc Critical Primary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore
Quartz Gangue

Analytical data

Result A FEW SAMNPLES ANALYZED. MAXIMUM VALUES ARE 0.644 OZ/TON AU, 1.5 OZ/TON AG, 0.38% CU, 1.47% ZN, 9.1% AS

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 Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Barlow Pass Volcanics
    Rock description Barlow Pass Volcanics
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Eocene

Nearby scientific data

(1) -121.40065, 47.96788

Economic information

Ore body information

  • General form VEIN
    Strike N50-80E
    Dip STEEP
    Thickness 0.09M
    Length 25.91M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Silver Creek District

Land status

Ownership category National Forest
Area name In Snoqualmie National Forest

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 272000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 10.842 g/mt Gold Major 1983
    Silver Ag 28.235 g/mt Silver Major 1983
    Copper Cu 0.22 wt-pct Copper Major 1983
    Zinc Zn 0.8 wt-pct Zinc Major 1983
    Arsenic As 4.98 wt-pct Arsenic Trace 1983

Workings at the site

  • Type of workings Underground
    Length 29.26M

Comments on the workings information

  • ADIT

Reference information

Bibliographic references

  • Deposit

    JOHNSON, F.L., DENTON, D.K., IVERSON, S.R., MCCULLOCH, R.B., STEBBINS, S.A., AND STOTELMEYER, R.B., 1983, MINERAL RESOURCES OF THE GLACIER PEAK RARE II AREA (NO. L6031), SNOHOMISH COUNTY, WASHINGTON: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 75-83, P. 34.

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 163.

  • Reserve-Resource

    JOHNSON AND OTHERS, 1983

General comments

Subject category Comment text
Deposit SULFIDE-BEARING QUARTZ VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1992 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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