Anna No 2 Fraction

Prospect in Crook county in Wyoming, United States with commodities Niobium (Columbium), Tin
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10279056
MAS/MILS ID 0560110001
Record type Site
Current site name Anna No 2 Fraction
Alternate or previous names A.J. Johnston Groups

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -104.06449, 44.39076 (WGS84)
Elevation 1780
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Crook(county)

Wyoming(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tinton(quadrangle 1:24,000 scale)

Sundance(quadrangle 1:100,000 scale)

Gillette(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Redwater(hydrologic unit)

Belle Fourche(hydrologic accounting unit)

Cheyenne(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Black Hills 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 Wyoming Crook

Commodities

Commodity Importance
Niobium (Columbium) Critical Tertiary
Tin Critical Tertiary

Materials information

Materials Type of material
Cassiterite Unknown
Trona Unknown

Nearby scientific data

Ore Body (1) -104.06449, 44.39076

Economic information

Ore body information

  • Strike N40W
    Dip 60W
    Length 91M
    Width 15M
    Area 1HA
    Field Value
    Type of Orebody #1 PEGMATITE
    Shape of Orebody #1 UNKNOWN
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control IGNEOUS
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N40W:60W
    Total Surface Area (HA) 1
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant No

Mining district

District name Tinton

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

    GARDNER E D, 1939, TIN DEPOSITS OF THE BLACK HILLS, SOUTH DA

  • Deposit

    USBM IC 7069, P 70.

General comments

Subject category Comment text
Deposit REFER TO FIG 11, USBM IC 7069 FOR DEPOSIT AND CLAIM LOCATION CASSITERITE FOUND AS A MINOR OCCURRENCE MINE WORKINGS CONSIST OF 2 CUTS 10 AND 20 FT WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 Hite, Alan G. U.S. Bureau of Mines

Beyond USGS

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