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  3. Mineral Resource Data System (MRDS)

Florence Mine

Past Producer in Lawrence county in South Dakota, United States with commodities Silver, Lead
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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. Alteration
  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. Reporter information

Geologic information

Identification information

Deposit ID 10055579
MRDS ID SD02168
Record type Site
Current site name Florence Mine
Alternate or previous names Double Rainbow Group

Geographic coordinates

Geographic coordinates: -103.63196, 44.33552 (WGS84)
Elevation 1451
Relative position 0.75 MI EAST OF GALENA, 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

Deadwood South(quadrangle 1:24,000 scale)

Rapid City(quadrangle 1:100,000 scale)

Rapid City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Belle Fourche(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 004N 004E 03 South Dakota

Comments on the location information

  • NW 1/4 , NORTH SIDE OF BEAR BUTTE CREEK ACROSS THE GULCH FROM RICHMOND-SITTING BULL CLAIMS

Commodities

Commodity Importance
Silver Primary
Lead Secondary

Materials information

Materials Type of material
Galena Ore
Silver Ore

Alteration

  • (Local) Ore Is Thoroughly Oxidized To A Soft Brown To Yellow Material

Economic information

Ore body information

  • Strike NE
    Dip 90 DEG

Controls for ore emplacement

  • Northeast Trending Verticals Have Cut The Upper Ore Horizon Of The Deadwood Formation

Comments on the geologic information

  • NO MINERALS CAN NOW BE IDENTIFIED WITH THE NAKED EYE, BUT EARLY REPORTS INDICATE THE PRESENCE OF NATIVE SILVER AND HORN SILVER

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1876

Mining district

District name Galena District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner-Operator
    Owner Dewolfe Barton

Comments on the production information

  • SECOND IN IMPORTANCE IN THE DISTRICT AS A SILVER PRODUCER

Workings at the site

  • Type of workings Underground
    Length 213.36M

Comments on the workings information

  • MAINDRIFT, SMALL STOPES, SHORT LATERAL DRIFTS, AND 100 - FOOT WINZE COMPLETE THE WORKINGS.

Reference information

Bibliographic references

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.

External references

Maps centered on this site