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  3. Mineral Resource Data System (MRDS)

Davenport Mine

Past Producer in Inyo county in California, United States with commodity Gold
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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. Ownership information
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10036098
MRDS ID M024135
Record type Site
Current site name Davenport Mine
Alternate or previous names Argus Gold Project
Related records 10163311

Geographic coordinates

Geographic coordinates: -117.3845, 35.89276 (WGS84)
Elevation 1036
Relative position 8 MI. N. PIONEER POINT; ADJOINS ORONDO MINE ON SOUTH.

Site location context

Political divisions (FIPS codes)

Inyo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Homewood Canyon(quadrangle 1:24,000 scale)

Ridgecrest(quadrangle 1:100,000 scale)

Trona(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Indian Wells-Searles Valleys(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Inyo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 023S 043E 30 California

Comments on the location information

  • UTM ACC. LAND UNSURVEYED

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • FINELY-DIVIDED FREE GOLD

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -117.3845, 35.89276
ListMap

Economic information

Ore body information

  • Strike N65W
    Dip 70 SW

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

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

Ownership information

  • Type Owner
    Owner Queenstake Resources Ltd. (40%), Childs International Inc. (60%)

Comments on the production information

  • NO OTHER PRODUCTION RECORD FOUND

Reserves and resources

  • Type In-situ
    Estimate year 1987
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.835 g/mt Gold Major 1987

Comments on the reserve resource information

  • VALUES FOR 100 AND 200-FT. LEVELS, RESPECTIVELY.
  • BASED ON DRILLING ON 100 FT CENTERS; INCLUDES BOTH THIS MINE AND GROUND ADJACENT TO THE NEARBY HERMOSA MINE (WITHIN 900 FT)

Comments on the workings information

  • 400 FT. SHAFT WITH LEVELS AT 100, 200 AND 400-FT. ON 100 FT. LEVEL, DRIFTS 200 FT. TO SE, 310-FT. NW. RAISE 120-FT. E. OF SHAFT CONNECTS TO SURFACE. SMALL AREA WEST OF SHAFT ABOVE 100-FT. LEVEL WAS STOPED OUT. ON 200-FT. LEVEL, 190 FT. DRIFT TO NW, 455 FT. TO SE, WITH 2 RAISES EAST OF SHAFT CONNECTING WITH 100-FT. LEVEL. ORE WAS STOPED BY SHRINKAGE TO A POINT 65 FT. ABOVE 200-FT. LEVEL AND EAST OF SHAFT. NO ORE WAS FOUND NEAR SHAFT BOTTOM, AND 50 FT. CROSSCUT IN HANGING WALL WAS ALSO BARREN. FOOTWALL CROSSCUTS TO VEIN INDICATED ORE OF LOW GRADE. OPEN CUT SURFACE PROSPECTING 1500 FT. WEST OF SHAFT WAS ENCOURAGING. SEE SKETCH MAP OF WORKINGS IN NORMAN AND STEWART (1951) P. 42.

Comments on development

  • REVERSE CIRCULAR DRILLING (1987-1989), SURFACE SAMPLING; NEW RESERVES AMENABLE TO HEAP LEACH CYANIDATION (71% RECOVERY)

Reference information

Bibliographic references

  • Deposit

    NORMAN, L.A., JR. AND STEWART, RICHARD M., 1951, MINES AND MINERAL RESOURCES OF INYO COUNTY: CALIF. JOURNAL OF MINES AND GEOLOGY, V. 47, NO. 1, P. 41-43

  • Deposit

    TUCKER, W.B. AND SAMPSON, R.J., 1938, MINERAL RESOURCES OF INYO COUNTY: CALIF. JOUR. MINES AND GEOLOGY, V. 34, NO. 4, P. 395

  • Deposit

    QUEENSTAKE RESOURCES LTD. 1987 ANNUAL REPORT, 25 P.

  • Production

    NORMAN AND STEWART (1951)

General comments

Subject category Comment text
Deposit QUARTZ STRINGERS AND FRAGMENTS ORE SHOOTS RAKE FLATLY TO SE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1980 Nelson, Scott C. (Albers, John, P.) U.S. Geological Survey
Updater 01-JUN-1989 Bliss, James D. U.S. Geological Survey

Beyond USGS

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

External references

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.