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Roseamelia Mine

Past Producer in Esmeralda county in Nevada, United States with commodities Talc-Soapstone, Mica, Clay
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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. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10104114
MRDS ID M242089
Record type Site
Current site name Roseamelia Mine
Alternate or previous names Roseamalis, Part of Sierra Talc Mine

Geographic coordinates

Geographic coordinates: -117.7712, 37.44217 (WGS84)
Elevation 1905
Relative position ABOUT 1 MILE SOUTH OF DEAN MILL JUNCTION ON 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 Canyon(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 038E 04 W2 Nevada

Comments on the location information

  • ADJACENT TO OASIS MINE. UTM IS TO MAIN WORKINGS . UTM IS TO MAIN WORKINGS ; INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Talc-Soapstone Primary
Mica Primary
Clay Tertiary

Comments on the commodity information

  • 2 TYPES ORE: TALC-RICH AND CHLORITE-RICH, TALC-RICH ORE IS WHITE TO LIGHT GREENISH GRAY, FINE-GRAINED, COMPACT, SOFT WITH SMALL AMOUNTS OF CHLORITE AND CALCITE. CHLORITE-RICH ORE IS GREENISH-GRAY, VERY FINE-GRAINED, BRECCIATED, WITH SMALL AMOUNTS OF TALC, CALCITE, AND QUARTZ

Materials information

Materials Type of material
Talc Ore
Calcite Gangue
Quartz Gangue
Chlorite Unknown

Alteration

  • (Local) Chloritization Of Quartz Monzonite Near Contact

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Sylvania Pluton
    Rock description Sylvania Pluton
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Reed Dolomite
    Rock description Reed Dolomite

Nearby scientific data

(1) -117.7712, 37.44217
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Palmetto-Oasis Thrust (A Complex Fault Zone)

Ore body information

  • General form LENTICULAR TO IRREGULAR
    Dip N
    Length 45.72M
    Width 7.62M

Controls for ore emplacement

  • Palmetto-Oasis Thrust (A Complex Fault Zone)

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1931
Discoverer Ernest And Al Lemke

Mining district

District name Sylvania (Green Mountain) District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Cyprus Industrial Minerals Co.
    First year 1975

Comments on the production information

  • LEMKE BROTHERS PRODUCED ABOUT 2000 TONS OF WHITE TALC AND ABOUT 2000 TONS OF CHLORITE-RICH MATERIAL FROM ANOTHER DEPOSIT ON THE PROPERTY. 3000 TONS OF WHITE TALC ORE PRODUCED BY NEVADA MINERALS CO. FROM 1941 TO 1942, MOST OF WHICH WAS USED FOR LADY ESTHER BRAND FACE POWDER

Comments on the workings information

  • GLORY HOLE AND ADJACENT WORKINGS WITH CONNECTING ADIT IN MAIN MINE AREA; OPEN PITS AND ADIT IN LOWER MINE AREA; STOPES

Comments on development

  • MINE WAS OPERATED BY ERNEST AND AL LEMKE UNTIL 1941 WHEN IT WAS PURCHASED BY NEVADA MINERALS CO. WHO OPERATED IT FROM 1941 TO 1947. IT WAS ACQUIRED IN 1948 BY SIERRA TALC AND CLAY CO., BUT WAS NOT OPERATED BY THEM.

Reference information

Bibliographic references

  • Deposit

    NBMG BULL. 78, P.63-64, 71.

  • Deposit

    PAPKE, K.G., 1975, NBMG BULL 84, P. 25.

  • Production

    PAPKE, K.G., 1975, P. 25.

General comments

Subject category Comment text
Deposit TALCOSE BODIES OCCUR AS IRREGULAR LENSES ALONG THE FAULT ZONE, 15 TO 150 FT IN STRIKE LENGTH. CHLORITE-RICH MATERIAL FROM OPEN PITS AND ADIT IN LOWER ROSEAMELIA MINE AREA

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-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.

External references

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.