Richmond Hill

Plant in Lawrence county in South Dakota, United States with commodity Gold
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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10129287
MRDS ID TC00002
MAS/MILS ID 0460810274
Record type Site
Current site name Richmond Hill
Related records 10056345

Geographic coordinates

Point of reference Plant
Geographic coordinates: -103.85478, 44.39166 (WGS84)
Elevation 1700
Location accuracy 500(meters)

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 005 N 002 E 15 E2 South Dakota

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Plant (1) -103.85478, 44.39166

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Date of Last Modification 930715

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant Yes
Mining method Open Pit
Plant type Leach
Milling method Hydrometallurgy Unspecified

Mining district

District name Lead District

Land status

Ownership category Mixed

Ownership information

  • Type Owner-Operator
    Owner Lac Minerals Ltd.
    Interest 100
    Home office Canada
    Year 1991

Comments on the production information

  • HEAP LEACHING OPERATION. EXPECTED PROD. START IN 4TH QTR 1988. EXPECTED ANNUAL PROD. OF 40,000 OZ AU. 1989 (FIRST FULL YR) PROD. = 44,603 OZ AU FROM LEACHING OF 1,004,956 MT ORE. 1989 RESERVE = ONLY 142,000 CONT.OZ.AU. PROPERTY WILL NOT BE ANALYZED FOR THE 1992 AU AVAILABILITY STUDY MINE PERMANENTLY CLOSED IN DECEMBER 1993. 333,305 GRAMS GOLD AND 489,725 GRAMS SILVER PRODUCED IN 1993. (LAC 1993 ANN REPORT, P. 26.) MINE RECLAMATION COMMENCED IN 1994.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1

Reference information

Bibliographic references

  • Reserve-Resource

    LAC MINERALS 1991 ANN.REP.

Reporter information

Type Date Name Affiliation Comment
Reporter 24-FEB-95 Gosling U.S. Bureau of Mines

Beyond USGS

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

External references