1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Omaha Cons.

Past Producer in Nevada county in California, United States with commodities Gold, Silver, Lead
Map
XML
JSON
KML
B
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. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10101214
MRDS ID C010975
Record type Site
Current site name Omaha Cons.
Alternate or previous names Lone Jack, Homeward Bound

Geographic coordinates

Geographic coordinates: -121.06436, 39.19489 (WGS84)
Elevation 671
Relative position 1 MI. S GRASS VALLEY

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grass Valley(quadrangle 1:24,000 scale)

Yuba City(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Bear(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 015N 008E 02,03 California

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Secondary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result AVG. $20 - $30 AU/TON, SULFIDES AVG. $80 - $130 AU/TON CONC.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Syenite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -121.06436, 39.19489
ListMap

Economic information

Ore body information

  • Strike N
    Dip 32 W
    Thickness 0.91M
    Depth to top 0M

Comments on the geologic information

  • NEAR SYENITE CONTACT

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No

Comments on the production information

  • TOTAL PRODUCTION OMAHA VEIN $3,500,000

Workings at the site

  • Type of workings Underground
    Length 1524M
    Overall depth 426.72M

Comments on the workings information

  • 2 INCLINES. EXTENSIVE DRIFTING ON 17 LEVELS

Reference information

Bibliographic references

  • Deposit

    LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 .

  • Deposit

    CRAWFORD, J. J., 1896 , THIRTEENTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 13 , P. 258 .

  • Deposit

    HOBSON, J. B., WILTSEE, E. A., 1893 , NEVADA COUNTY, CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 11 , P. 273 .

  • Deposit

    HOBSON, J. B., 1890 , NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 10 , P. 373 - 374 .

  • Deposit

    5) JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 79 - 81 .

  • Production

    JOHNSTON, 1940

General comments

Subject category Comment text
Deposit VEIN, AVG. 12 IN. THICK, SULFIDES AVG. 4 %
Deposit PATENTED 79.87 ACRES. SEE EMPIRE WEST ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Bowman, J. And Albers, J. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative California resources

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