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Alexander Lode

Occurrence in Pennington county in South Dakota, United States with commodities Gold, Antimony, Lead, Silver
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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. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10055629
MRDS ID SD02230
Record type Site
Current site name Alexander Lode
Alternate or previous names Alexandria, Lady of the Hills

Geographic coordinates

Geographic coordinates: -103.57363, 44.13079 (WGS84)
Elevation 1585
Relative position ON THE RIDGE BETWEEN SUNNYSIDE AND LIGHTNING GULCHES, 1 MILE NORTHWEST OF SILVER 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

Nemo(quadrangle 1:24,000 scale)

Rapid City(quadrangle 1:100,000 scale)

Rapid City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rapid(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 002N 005E 31 South Dakota

Comments on the location information

  • NW 1/4

Commodities

Commodity Importance
Gold Primary
Antimony Critical Primary
Lead Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Jamesonite Ore
Silver Ore
Boulangerite Gangue
Cervantite Gangue
Melanterite Gangue
Pyrite Gangue

Analytical data

Result ASSAYS OF THE SULFIDES SHOW UP TO 5 OZ. GOLD AND 35 PERCENT ANTIMONY BUT VERY LITTLE SILVER

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Schists
    Rock description Schists
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -103.57363, 44.13079
ListMap

Economic information

Ore body information

  • Width 0.3M

Controls for ore emplacement

  • Quartz Veins In The Schist (Containing The Jamesonite)

Comments on the geologic information

  • SUCCESSIVE DEPOSITION OF SIDERITE, PYRITE, CHALCOPYRITE AND JAMESONITE ALONG WITH THE CONTINUOUS DEPOSITION OF QUARTZ

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Silver City District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner Frank Morrow

Comments on the workings information

  • SEVERAL DRIFTS AND PROSPECT HOLES ALONG THE STRIKE OF THE VEIN

Comments on development

  • ORIGINALLY 4 CLAIMS BUT ONLY 1 WAS RETAINED

Reference information

Bibliographic references

  • Deposit

    U.S. BUREAU OF MINES, 1954, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688

  • 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 IRREGULAR STRINGERS OF JAMESONITE IN QUARTZ VEINS (3 - 4 INCHES WIDE)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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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