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Iron Hill Mine

Past Producer in Lawrence county in South Dakota, United States with commodities Gold, Silver, Lead, Manganese
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10055580
MRDS ID SD02169
Record type Site
Current site name Iron Hill Mine
Alternate or previous names Utica Lode

Geographic coordinates

Geographic coordinates: -103.8678, 44.39552 (WGS84)
Elevation 1682
Relative position 6 MI SOUTH OF SPEARFISH, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Lawrence(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Spearfish(quadrangle 1:24,000 scale)

Rapid City(quadrangle 1:100,000 scale)

Rapid City(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 South Dakota Lawrence

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 005N 002E 15 South Dakota

Comments on the location information

  • NW 1/4 , BETWEEN RUBICON GULCH AND COLE CREEK

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Manganese Critical Secondary

Materials information

Materials Type of material
Gold Ore
Vanadinite Ore

Analytical data

Result GRAB SAMPLE FROM IRON HILL DUMP ASSAYED 14.98 % MN. SAMPLES FROM THE HOME RUN SHAFT DUMP RAN 9.2 PPM AU. BUNTZ SHAFT SAMPLES ASSAYED 16 PPM AU. LATER, SAMPLES WERE TAKEN AT THE IRON HILL DUMP AND THE COMPOSITE SAMPLES ASSAYED 5.74 OZ AG AND 0.02 OZ AU PER TON

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Pahasapa Limestone
    Rock description Pahasapa Limestone
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Mississippian

Nearby scientific data

(1) -103.8678, 44.39552
ListMap

Economic information

Ore body information

  • Dip 90 DEG

Controls for ore emplacement

  • Fissures And Porphyry Intrusions

Comments on the geologic information

  • ARGENTIFEROUS LEAD MINERALS ASSOCIATED WITH PORPHYRY INTRUSIONS AND SOFT FERRUGINOUS GOUGE CARRYING AU AND AG VALUES FILLS MAIN FISSURE. ONE POCKET OF 4-5 TONS OF VANADINITE.

Economic information about the deposit and operations

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

Mining district

District name Carbonate District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner-Operator
    Owner Carbonate Consolidated Mining Co.

Comments on the production information

  • ITEM 8 : YEARS ARE 1885 - 1888 AND 1891 { LARGEST PRODUCER OF PB-AG-AU IN THE CARBONATE DISTRICT

Workings at the site

  • Type of workings Underground
    Length 1828.8M
    Overall depth 140.21M

Comments on the workings information

  • OLD MAPS SHOW ABOUT 6000 FEET OF LATERAL WORKINGS ON 5 LEVELS, THE DEEPEST OF WHICH IS AT 300 FEET. AN EXPLORATION DRIFT ON THE 300-FOOT LEVEL EXTENDS TO THE BOTTOM OF THE NEW TITANIC SHAFT 450 FEET TO THE WEST. A DRAINAGE TUNNEL 1300 FEET LONG EXTENDS S. 10 DEG W. FROM THE 300-FOOT LEVEL AND COMES OUT IN A GULCH TRIBUTARY TO SQUAW CREEK. NEAR THE SOUTH END OF THE CLAIM ARE THE SHALLOW HOME RUN AND BUNTZ SHAFTS.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit IRON HILL VERTICAL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1979 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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