Pickwick Mine

Past Producer in Chelan county in Washington, United States with commodities Copper, Silver, Gold, Nickel, Molybdenum, Tungsten
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. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10042397
MRDS ID M060165
Record type Site
Current site name Pickwick Mine
Alternate or previous names Van Epps, Phantom Creek, Fortune Creek, Nelson, Copper King
Related records 10227692

Geographic coordinates

Geographic coordinates: -120.97507, 47.50121 (WGS84)
Elevation 1620
Relative position 4 MI NORTHWEST OF MOUNT STUART; ABOUT 1.75 MI SOUTH-SOUTHEAST OF HARDING MOUNTAIN

Site location context

Political divisions (FIPS codes)

Chelan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jack Ridge(quadrangle 1:24,000 scale)

Chelan(quadrangle 1:100,000 scale)

Wenatchee(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Wenatchee(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)

Geographic areas

Country State County
United States Washington Chelan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 023N 015E 09,10 NW4 (10); NE4 (09) Washington

Comments on the location information

  • IN BASIN AT HEAD OF VAN EPPS CREEK

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary
Nickel Critical Tertiary
Molybdenum Tertiary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Copper Ore
Molybdenite Ore
Pyrite Ore
Pyrrhotite Ore
Biotite Gangue
Orthoclase Gangue
Plagioclase Gangue
Quartz Gangue
Sericite Gangue
Talc Gangue

Alteration

  • (Local) Potassic, Phyllic, Propylitic

Analytical data

Result MINERALIZED ROCK CONTAINS 0.02 OZ/TON AU, 3.10 OZ/TON AG, 4.6% CU, 0.16% NI. LONG CHANNEL SAMPLES YIELDED TR AU, TR AG, 0.2% CU, 0.02% NI. ADIT SAMPLES AVERAGED 0.33% CU. DRILL CORE SAMPLES CONTAINED 0.1-0.46% CU. GUALTIERI AND OTHERS CONTAIN NUMEROUS ANALYSES

Mineral occurrence model information

Model code 79
USGS model code 21a
Deposit model name Porphyry Cu-Mo
Mark3 model number 2

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Ingalls Tectonic Complex;Spirit Lake Stock
    Rock description Ingalls Tectonic Complex;Spirit Lake Stock

Nearby scientific data

(1) -120.97507, 47.50121

Economic information

Geologic structures

Type of structure Local
Structure description Several Shear Zones

Ore body information

  • General form STOCKWORK, DISSEMINATED
    Strike N65W
    Dip N70NE

Comments on the geologic information

  • SPIRIT LAKE STOCK IS A COMPOSITE STOCK WITH PHASES INCLUDING QUARTZ DIORITE PORPHYRY, GRANODIORITE, QUARTZ PORPHYRY. IT IS SEPARATE FROM AND YOUNGER THAN MOUNT STUART BATHOLITH. INGALLS COMPLEX IS AN ACCRETED OPHIOLITE TERRANE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1885
Discoverer N.B. Nelson
Year of first production 1917

Mining district

District name Leavenworth District

Land status

Ownership category National Forest
Area name In Wenatchee National Forest Just Outside Boundary Of Alpine Lakes Wilderness

Ownership information

  • Type Operator
    Owner Pickwick Mining And Development Co.
  • Type Owner
    Owner Mcphail Engineering Co.

Production statistics

  • Year 1917
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^4.22 % Cu, 1.13 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 32g/mt
    Minor Ore Copper Copper 4wt-pct

Workings at the site

  • Type of workings Surface/Underground
    Length 838.2M
    Overall depth 33.53M

Comments on the workings information

  • WORKINGS INCLUDE 2500 FT CROSSCUT, 110 FT SHAFT WITH 175 FT CROSSCUT AND 80 FT DRIFT ON 50 FT LEVEL. OPEN PIT

Comments on development

  • DRILLING BY USBM IN 1955

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ALONG CONTACT OF MOUNT STUART BATHOLITH AND PERIDOTITE OF INGALLS COMPLEX

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-73 Puffett, Willard P. U.S. Geological Survey
Updater 01-APR-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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