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Jumbo Lode

Occurrence in Custer county in South Dakota, United States with commodities Feldspar, Mica, Beryllium
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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. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10055771
MRDS ID SD02517
Record type Site
Current site name Jumbo Lode

Geographic coordinates

Geographic coordinates: -103.39945, 43.83329 (WGS84)
Elevation 1551
Location accuracy 1000(meters)
Relative position 0.5 MILE SOUTH OF THE IRON MOUNTAIN ROAD A SHORT DISTANCE WEST OF ITS JUNCTION WITH THE SPOKANE-KEYSTONE ROAD

Site location context

Political divisions (FIPS codes)

Custer(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Iron Mountain(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 002S 006E 33;34 South Dakota

Comments on the location information

  • ON THE LINE BETWEEN SECS 33 & 34

Commodities

Commodity Importance
Feldspar Primary
Mica Primary
Beryllium Critical Primary

Comments on the commodity information

  • NO BERYL WAS VISIBLE WHEN INSPECTED IN 1942.

Materials information

Materials Type of material
Beryl Ore
Biotite Ore
Feldspar Ore
Microcline Ore
Muscovite 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 Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -103.39945, 43.83329
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Unorganized District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner Kenneth And Godfrey Spring Of Custer, Sd

Comments on the workings information

  • TWO SMALL OPEN CUTS

Reference information

Bibliographic references

  • Deposit

    USBM CIRC 7707, P. 74

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.

External references

Maps centered on this site