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Mohawk Lode

Past Producer in Pennington county in South Dakota, United States with commodity Tin
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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. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10055641
MRDS ID SD02246
Record type Site
Current site name Mohawk Lode

Geographic coordinates

Geographic coordinates: -103.58306, 43.93329 (WGS84)
Elevation 1585
Relative position 0.5 MILE WEST OF HILL CITY, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Pennington(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hill City(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 Pennington

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 001S 004E 25 South Dakota

Comments on the location information

  • NE 1/4, SE 1/4

Commodities

Commodity Importance
Tin Critical Primary

Materials information

Materials Type of material
Cassiterite Ore
Beryl Gangue
Muscovite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite
    Rock description Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -103.58306, 43.93329
ListMap

Economic information

Ore body information

  • General form LENS
    Strike N 20 W
    Dip NE
    Thickness 1.22M

Comments on the geologic information

  • CASSITERITE OCCURS AS DARK-BROWN TO BLACK CRYSTALS AND MASSES AS MUCH AS 2 INCHES ACROSS AND IS ASSOCIATED WITH CLOTS, MASSES, AND STREAKS OF MUSCOVITE AND BERYL.

Economic information about the deposit and operations

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

Mining district

District name Hill City District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Operator
    Owner Barium Stainless Steel Co.
  • Type Owner
    Owner G. W. Coats, H. G. And P. W. Mills

Workings at the site

  • Type of workings Underground
    Length 252.68M

Comments on the workings information

  • THERE ARE THREE INCLINED SHAFTS, 111, 42, AND 64 FEET DEEP.

Comments on development

  • 10 ACRE CLAIM

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

  • Deposit

    ROBERTS, W. L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18

General comments

Subject category Comment text
Deposit OUTCROPS AS TWO QUARTZ LENSES, 150 FT APART

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1980 Barari, Rachel A. U.S. Geological Survey

Beyond USGS

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

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