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Blackjack Group

Occurrence in Yakima county in Washington, United States with commodities Zinc, Lead, Copper
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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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  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 10048646
MRDS ID MP00251
Record type Site
Current site name Blackjack Group
Alternate or previous names Black Jack, Green, Deep Creek

Geographic coordinates

Geographic coordinates: -121.3659, 46.73871 (WGS84)
Elevation 1561
Relative position 100 YD NORTH OF THE LITTLE TWIN SISTER LAKE; ABOUT 5 MI NORTH OF SPIRAL BUTTE

Site location context

Political divisions (FIPS codes)

Yakima(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Spiral Butte(quadrangle 1:24,000 scale)

Mount Rainier(quadrangle 1:100,000 scale)

Yakima(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Naches(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)

William O. Douglas Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington Yakima

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 014N 011E 01 Washington

Comments on the location information

  • UNSURVEYED

Commodities

Commodity Importance
Zinc Critical Primary
Lead Tertiary
Copper Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Galena Ore
Hematite Ore
Pyrite Ore
Sphalerite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Analytical data

Result SAMPLES ACROSS SHEAR ZONES AVERAGE 4.0% ZN, 0.02% CU, 0.07% PB. SAID TO ASSAY 20-30% ZN WHERE EXPOSED IN DEEP CREEK.

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 Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -121.3659, 46.73871
ListMap

Economic information

Ore body information

  • General form VEINS
    Strike N45W
    Dip 40SW
    Thickness 1.22M
    Length 48.77M

Controls for ore emplacement

  • Shear Zones

Comments on the geologic information

  • HOST ROCK IS OVERLAIN BY ROCKS OF PUGET GROUP AND IS INCLUDED WITH PUGET GROUP ON GEOLOGIC MAP OF SIMMONS AND OTHERS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1906

Mining district

District name Bumping Lake District

Land status

Ownership category National Wilderness
Area name In William O. Douglas Wilderness In Snoqualmie National Forest

Workings at the site

  • Type of workings Surface/Underground
    Length 5.79M
    Overall depth 15.24M

Comments on the workings information

  • INCLINED SHAFT (FLOODED), ADIT, 5 TRENCHES, 5 PITS

Comments on development

  • CLAIMS HAVE BEEN RELOCATED MANY TIMES

Reference information

Bibliographic references

  • Deposit

    SIMMONS, G.C., VAN NOY, R.M., AND ZILKA, N.T., 1983, MINERAL RESOURCES OF THE COUGAR LAKES-MOUNT AIX STUDY AREA, YAKIMA AND LEWIS COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1504, P. 63.

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 382.

General comments

Subject category Comment text
Deposit SEVERAL MINERALIZED SHEAR ZONES
Deposit 17 CLAIMS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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