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  3. Mineral Resource Data System (MRDS)

Brooklyn Lake-Rock Creek Lakes

Prospect in Albany county in Wyoming, United States with commodities Magnesium Compounds, Sodium Sulfate, Salt
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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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10205389
MAS/MILS ID 0560010112
Record type Site
Current site name Brooklyn Lake-Rock Creek Lakes

Comments on the site identification

  • Probably should be called Soda Lake as that is the name on the topo map (Pine Tree Ridge 1:24,000).
    Unable to determine why this is called Brooklyn Lake. Lake described in WGS Bull. 50 says lake is 116.4 acres.

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.95142, 41.92856 (WGS84)
Elevation 2052
Location accuracy 10(meters)
Relative position Labeled Soda Lake on 24k topo. Not sure why the name Brooklyn Lake is given to this site unless the lake was renamed.

Site location context

Political divisions (FIPS codes)

Albany(county)

Wyoming(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pine Tree Ridge(quadrangle 1:24,000 scale)

Rock River(quadrangle 1:100,000 scale)

Cheyenne(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Medicine Bow(hydrologic unit)

North Platte(hydrologic accounting unit)

North Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Wyoming Albany

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 023N 076W 28, 33 SW4 and NW4, respectively. Wyoming

Commodities

Commodity Importance
Magnesium Compounds Primary
Sodium Sulfate Secondary
Salt Tertiary

Materials information

Materials Type of material
Epsomite Ore
Mirabilite Ore

Nearby scientific data

Ore Body (1) Alluvium and Colluvium
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Non-metallic
Significant No

Land status

Ownership category Private

Comments on the reserve resource information

  • EST 1500 TONS ON SURFACE&100,000 TONS IN MUD OF MIRABILITE A
    EST 25000 TONS ON SURFACE & 150000 TONS IN MUD OF EPSOMITE A
  • Estimated to have 1,500 tons of mirabilite, Na2SO4.10H2O, on the surface and 100,000 tons in the black mud, and 25,000 tons of epsomite, MgSO4.7H2O, on the surface and 150,000 tons in the black muds.

Reference information

Bibliographic references

  • Deposit

    WILSON, W.H, 1966, MINERAL RESOURCES OF Wyoming: GEOLogical SURVey of WYOming BULL. 50, p. 168.

General comments

Subject category Comment text
Deposit "The surface has a salt crust from zero to 6 in. thick, and a layer of black mud from zero to 6 ft. thick contains salt." This is NOT NaCl although one sample contains 5.28% NaCl. NaCL should be considered a trace or impurity. Therefore, AB Wilson changed this record from NaCl as the primary commodity to Mg-compounds (Epsomite), and Na_Sulfate (Mirabilite).

Reporter information

Type Date Name Affiliation Comment
Reporter 18-NOV-83 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Editor 03-DEC-09 Wilson, Anna B. 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