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Mayo Lode

Past Producer in Custer county in South Dakota, United States with commodities Feldspar, Beryllium, Mica, Tantalum
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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. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10055782
MRDS ID SD02534
Record type Site
Current site name Mayo Lode

Geographic coordinates

Geographic coordinates: -103.6075, 43.6869 (WGS84)
Elevation 1597
Location accuracy 500(meters)
Relative position 1.5 MILES NORTHWEST OF MAYO STATION IN CUSTER COUNTY, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Custer(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cicero Peak(quadrangle 1:24,000 scale)

Mount Rushmore(quadrangle 1:100,000 scale)

Hot Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Cheyenne-Spring(hydrologic unit)

Cheyenne(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 South Dakota Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 004S 004E 23 South Dakota

Comments on the location information

  • NEAR THE CENTER OF THE SECTION

Commodities

Commodity Importance
Feldspar Primary
Beryllium Critical Secondary
Mica Secondary
Tantalum Critical Secondary

Materials information

Materials Type of material
Beryl Ore
Columbite Ore
Feldspar Ore
Mica Ore
Tantalite Ore
Quartz Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -103.6075, 43.6869
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Custer District

Land status

Ownership category National Forest
Area name Black Hills

Ownership information

  • Type Owner
    Owner H. E. Brown Of Custer, Sd

Workings at the site

  • Type of workings Surface
    Area 0.002HA
    Overall length 9.14M
    Overall width 1.83M

Comments on the workings information

  • DRIVEN ALONG ONE OF THE DIKES

Reference information

Bibliographic references

  • Deposit

    U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 158 - 159

  • Production

    USBM CIRC 7707, P. 159

General comments

Subject category Comment text
Deposit PARALLEL DIKES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1982 Barari, Rachel A. 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