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Alder Mine

Past Producer in Okanogan county in Washington, United States with commodities Gold, Copper, Zinc, Silver
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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. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10103874
MRDS ID M060156
Record type Site
Current site name Alder Mine
Related records 10277738

Geographic coordinates

Geographic coordinates: -120.15924, 48.32205 (WGS84)
Elevation 1097
Relative position 3.5 MI SOUTHWEST OF TWISP

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Twisp West(quadrangle 1:24,000 scale)

Twisp(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Methow(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 Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 033N 021E 25,36,26,35 Washington

Commodities

Commodity Importance
Gold Primary
Copper Primary
Zinc Critical Primary
Silver Secondary

Comments on the commodity information

  • AU AND AG ARE ENRICHED 2 OZ/TON IN CU CONCENTRATES MADE IN MILL TESTS.

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Copper Ore
Galena Ore
Gold Ore
Malachite Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore

Alteration

  • (Local) Silicification, Chloritization, Sericitization

Analytical data

Result 0.106 OZ/TON AU, 0.59 OZ/TON AG, 0.33% CU, 1.78% ZN

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Newby Group;Newby Group
    Rock description Newby Group;Newby Group

Nearby scientific data

(1) -120.15924, 48.32205
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description There Is A North-South Regional Structural Trend
Type of structure Local
Structure description South Fault Cuts Off Ore Zone.

Ore body information

  • General form TABULAR
    Strike N20W
    Dip 75W
    Length 152.4M
    Width 36.58M
    Depth to top 0M
    Depth to bottom 88.39M

Controls for ore emplacement

  • Deposit Is Stratabound

Comments on the geologic information

  • VEINS IN DEPOSIT HAVE NO RELATION WITH THE ALDER CREEK STOCK

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1896
Discoverer Andrew Mouck
Year of first production 1939

Mining district

District name Twisp District

Land status

Ownership category National Forest
Area name In Okanogan National Forest

Ownership information

  • Type Operator
    Owner Ecm Inc.
    First year 1990

Workings at the site

  • Type of workings Surface
    Length 1005.84M

Comments on the workings information

  • OPEN PIT 500 FT LONG, 75 FT WIDE, 150 FT DEEP WITH 4 LEVELS BELOW PIT. 3 ADITS

Comments on development

  • EXPLORATION IN 1977, 1979, AND 1990. COMPLEX LOW-GRADE ORE MUST BE CONCENTRATED BEFORE SOLD.

Reference information

Bibliographic references

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37,V. 1, P. 135.

  • Deposit

    BUNNING, B.B., 1990, GEOLOGIC MAP OF THE EAST HALF OF THE TWISP 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-9, SCALE 1:100,000.

  • Deposit

    WASHINGTON DIVISION OF MINES AND GEOLOGY INFORMATION CIRCULAR 63, P. 8

  • Deposit

    WASHINGTON DIVISION OF MINES AND GEOLOGY INFORMATION CIRCULAR 69, P. 9.

  • 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. 163.

  • Deposit

    GRANT, A.R., 1976, REPORT OF EVALUATION, MINERAL RESOURCE ANALYSIS STUDY ON UNITED STATES FOREST SERVICE LAND, STATE OF WASHINGTON: UNPUB REPORT PREPARED FOR U.S. FOREST SERVICE - REGION 6, CONTRACT NO. 004724N, P. 25-26.

  • Deposit

    JOSEPH, N.L., 1991, WASHINGTON'S MINERAL INDUSTRY - 1990: WASHINGTON GEOLOGY, V. 19, NO. 1, P. 3-24.

  • Production

    GRANT, 1976

General comments

Subject category Comment text
Deposit AT DEPTH ARE MASSVIE STRINGERS OF CHALCOPYRITE AND SPHALERITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1982 Lawson, William A. U.S. Geological Survey
Updater 01-NOV-1991 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site