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  3. Mineral Resource Data System (MRDS)

Berg - O'Connell Mine

Past Producer in Esmeralda county in Nevada, United States with commodity Talc-Soapstone
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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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10046847
MRDS ID M242064
Record type Site
Current site name Berg - O'Connell Mine

Geographic coordinates

Geographic coordinates: -117.69342, 37.40189 (WGS84)
Elevation 2225
Relative position 3.3 MILES BY ROAD SOUTH OF NEVADA HIGHWAY 3

Site location context

Political divisions (FIPS codes)

Esmeralda(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sylvania Mountains(quadrangle 1:24,000 scale)

Last Chance Range(quadrangle 1:100,000 scale)

Goldfield(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fish Lake-Soda Spring Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Esmeralda

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006S 039E 19 SE Nevada

Comments on the location information

  • ON A ROAD THAT BRANCHES TO THE WEST OFF CUCOMUNGO CANYON ROAD ; INFO FROM LAND.ST :(1972); LATITUDE-LONGITUDE VALUES CALCULATED FROM TOWNSHIP, RANGE, SECTION.

Commodities

Commodity Importance
Talc-Soapstone Primary

Comments on the commodity information

  • ORE WAS FINE-GRAINED LIGHT GREENISH GRAY TO LIGHT GRAY, PARTLY BROKEN TO SMALL FRAGMENTS AND POWDER

Materials information

Materials Type of material
Calcite Gangue
Chlorite Gangue
Quartz Gangue

Analytical data

Result ORE CONTAINS SMALL TO MODERATE AMOUNTS OF CHLORITE, TRACES OF CALCITE AND QUARTZ

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Hornfels
    Rock unit name Wyman; Reed Dolomite
    Rock description Wyman;Reed Dolomite
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -117.69342, 37.40189
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults

Ore body information

  • General form LENS
    Strike N 70 W
    Dip STEEP
    Thickness 3.05M
    Length 15.24M
    Width 18.29M

Controls for ore emplacement

  • Faults

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1940
Discoverer H.P. Berg And E.S. O'Connell
Year of first production 1940
Year of last production 1944

Mining district

District name Sylvania (Green Mountain) District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Lessee/Operator
    Owner Russell Roper And Monte Little
    First year 1944

Workings at the site

  • Type of workings Surface
    Length 18.29M
    Overall depth 18.29M

Comments on the workings information

  • 60 FT INCLINED SHAFT AND ADIT ON SOUTH-FACING HILL SLOPE (60-FT LONG), STOPE, RAISE

Comments on development

  • SHAFT WAS SUNK ABOUT 1940 TO A DEPTH OF ABOUT 50 FEET. IN 1943 AND 1944, THE MINE WAS LEASED TO RUSSELL ROPER AND MONTE LITTLE WHO PRODUCED ABOUT 1000 TONS OF TALC. GENERALLY INACTIVE SINCE THEN

Reference information

Bibliographic references

  • Deposit

    PAPKE, K.G., 1975, NBMG BULL 84, P. 50

  • Production

    PAPKE, K.G., 1975, P. 50

General comments

Subject category Comment text
Deposit ORE BODY HAS STEEPLY - DIPPING FAULT FOR HANGING WALL CONTACT, BUT FOOTWALL IS VERY IRREGULAR. IT WAS COMPLETELY MINED OUT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1982 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology

Beyond USGS

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

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.