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Crown Point

Past Producer in Chelan county in Washington, United States with commodities Molybdenum, Copper, Lead, Zinc, Silver, Gold, Arsenic
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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. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Ownership information
  19. Reserves and resources
  20. Workings at the site
  21. Links to other databases
  22. Bibliographic references
  23. General comments
  24. Reporter information

Geologic information

Identification information

Deposit ID 10008469
MRDS ID D000648
Record type Site
Current site name Crown Point
Alternate or previous names Aurelia Crown, Crown Power

Geographic coordinates

Geographic coordinates: -120.89426, 48.19621 (WGS84)
Elevation 1615
Relative position ABOUT 0.6 MI EAST OF LYMAN LAKE

Site location context

Political divisions (FIPS codes)

Chelan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Suiattle Pass(quadrangle 1:24,000 scale)

Twisp(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lake Chelan(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(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)

Glacier Peak Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington Chelan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 031N 016E 07,08 NE4 (08) Washington

Comments on the location information

  • IN CIRQUE BASIN SOUTHWEST OF HART LAKE AT HEAD OF RAILROAD CREEK

Commodities

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

Comments on the commodity information

  • ONLY MINERAL PRESENT IN ANY QUANTITY IS MOLYBDENITE WHICH IS DISTRIBUTED THROUGHOUT THE VEIN. OTHER SULFIDES ARE IN AND ADJACENT TO WALL ROCK. DEPOSIT CONTAINS SOME GOOD SPECIMEN QUALITY MATERIAL

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Molybdenite Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Alteration

  • (Local) Silica Flooding

Analytical data

Result 2 ASSAYS OF DUMP MATERIAL GAVE 7.23, 3.75% CU, 8.75, 2.67 OZ/TON AG, 0.03, 0.01 OZ/TON AU

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 Cloudy Pass Pluton
    Rock description Cloudy Pass Pluton
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) -120.89426, 48.19621
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults

Ore body information

  • General form DISSEMINATED IN VEIN
    Thickness 0.91M
    Length 152.4M
    Width 30.48M

Controls for ore emplacement

  • Fractures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1897
Year of first production 1897
Production years 1897-1902, LATER INTERMITTENT PRODUCTION

Mining district

District name Railroad Creek District

Land status

Ownership category National Wilderness
Area name In Wenatchee National Forest

Ownership information

  • Type Operator
    Owner Bear Creek Mining Co.
    First year 1958
  • Type Owner
    Owner Acme Moly Assn.

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Commodity Subtype Grade units Group Importance Year
    Molybdenum MoS2 0.06 wt-pct Molybdenum Major 1982
    Copper Cu 2.6 wt-pct Copper Trace 1982
    Lead Pb 0.39 wt-pct Lead Trace 1982
    Zinc Zn 0.72 wt-pct Zinc Trace 1982
    Silver Ag 2.92 g/mt Silver Trace 1982

Comments on the reserve resource information

  • MEASURED AND INDICATED SUBECONOMIC RESOURCES

Workings at the site

  • Type of workings Underground
    Length 237.74M

Comments on the workings information

  • 3 ADITS, OPEN CUTS

Comments on development

  • NOT LIKELY TO BE A COMMERCIAL SOURCE OF MO

Reference information

Bibliographic references

  • Deposit

    PURDY, C.P. JR.,, 1954, MOLYBDENUM OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATION 18, P. 23-25.

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, P. 268.

  • Deposit

    DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 11.

  • Deposit

    GRANT, A.R., 1982, SUMMARY OF ECONOMIC GEOLOGY DATA FOR THE GLACEIR PEAK WILDERNESS, CHELAN, SNOHOMISH, AND SKAGIT COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-408, P. 25-26.

  • Deposit

    STOTELMEYER, R.B., JOHNSON, F.L., MCHUGH, E.L., FEDERSPIEL, F.E., DENTON, D.K., JR., AND STEBBINS, S.A., 1982, MINERAL INVESTIGATION OF THE GLACIER PEAK WILDERNESS AND ADJACENT AREAS, CHELAN, SKAGIT, AND SNOHOMISH COUNTIES, WASHINGTON: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 89-82, P. 16.

  • Deposit

    CHURCH, S.E., FORD, A.B., FLANNIGAN, V.J., AND STOTELMEYER, R.B., 1984, MINERAL RESOURCE POTENTIAL OF THE GLACIER PEAK WILDERNESS AND ADJACENT AREAS, CHELAN, SKAGIT, AND SNOHOMISH COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-1652-A, SCALE 1:100,000.

  • Reserve-Resource

    STOTELMEYER AND OTHERS, 1982

General comments

Subject category Comment text
Deposit VEIN LIES IN PLANE OF A MAJOR JOINT SET
Deposit MRDS RECORD W017902 HAS BEEN MERGED WITH THIS RECORD AND DELETED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1974 King, Robert U. U.S. Geological Survey
Updater 01-FEB-1991 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