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  3. Mineral Resource Data System (MRDS)

Leader Claim

Occurrence in Skagit county in Washington, United States with commodity Chromium
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10048004
MRDS ID M700396
Record type Site
Current site name Leader Claim
Related records 10156177

Geographic coordinates

Geographic coordinates: -121.89957, 48.63981 (WGS84)
Elevation 1219
Location accuracy 500(meters)
Relative position 4.6 MILES WEST OF DOCK BUTTE.

Site location context

Political divisions (FIPS codes)

Skagit(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Twin Sisters Mountain(quadrangle 1:24,000 scale)

Mount Baker(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Nooksack(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)

Geographic areas

Country State County
United States Washington Skagit

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 036N 007E 03,04 Washington

Comments on the location information

  • ELEVATION IS APPROXIMATE; BY THREE LAKES.

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore
Dunite Gangue

Analytical data

Result CR/FE RATIO OF 2.35

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite

Nearby scientific data

(1) -121.89957, 48.63981
ListMap

Economic information

Ore body information

  • General form LENSES
    Width 1.83M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Hamilton District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Twin Sisters Chrome And Magnesium Corp.
    Home office Seattle, Wa.
    First year 1954

Comments on the workings information

  • WORKINGS UNKNOWN.

Comments on development

  • DEVELOPMENT UNKNOWN.

Reference information

Bibliographic references

  • Deposit

    WDMG BULL 37, P. 39, 40

General comments

Subject category Comment text
Deposit ORE EXPOSED AT THREE LOCALITIES. ORE IS BANDED AND DISSEMINATED. LENSES OF PURE CHROMITE IN DUNITE
Deposit PART OF THREE LAKES PROPERTY. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1982 Lawson, William A. (Evarts, Russell C.) U.S. Geological Survey

Beyond USGS

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

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