Arondo Mine

Past Producer in Inyo county in California, United States with commodities Gold, Iron
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. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10103497
MRDS ID M024133
Record type Site
Current site name Arondo Mine
Alternate or previous names Arando, Orondo
Related records 10187741

Geographic coordinates

Geographic coordinates: -117.38589, 35.90748 (WGS84)
Elevation 1326
Relative position 8.5 MI. N. PIONEER POINT

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)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

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

BLM(Federal land areas administered by BLM)

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
Iron Secondary

Comments on the commodity information

  • GOLD OCCURS IN VERY FINE STATE, FINELY DIVIDED

Materials information

Materials Type of material
Gold Ore
Hematite Ore
Siderite Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -117.38589, 35.90748

Economic information

Ore body information

  • Strike E-W
    Dip 54 S
    Thickness 12.19M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

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

Comments on the production information

  • EST. 10,000 TONS OF ORE BETWEEN 400 AND 300 FT. LEVELS, AVG. $6.40/TON, AND 10,000 TONS ABOVE 300 FT. LEVEL, AVG. $6/TON IN GOLD. IN LATER PRODUCTION YEARS, MINIUM OF 90% OF GOLD RECOVERED FROM ORE; BULLION WAS 95% PURE, OR 950 FINE.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 152.4M

Comments on the workings information

  • SEE SKETCH MAP IN TUCKER AND SAMPSON (1938) ON UNDERGROUND WORKINGS. FIRST DEVELOPED IN 1890'S. MAIN INCLINE SUNK 55 DEG. TO DEPTH OF 435 FT. WITH LEVELS AT 24, 34, 110, 175, 225 AND 310 FT. EXPLORED EAST ORE BODY, AT LEAST 900 FT. LONG BY 40 FT. THICK. TOTAL AMOUNT OF UNDERGROUND WORKINGS WAS 7000 FT. FROM THIS SHAFT THROUGH 1906. IN 1934 ARANDO MINES, INC. DEVEL. CUBA NO. 2 INCLINE TO 400 FT.; WITH LEVELS AT 100, 200, 300 AND 400 FT. 60 FT. OF DRIFTS ON 100 FT. LEVEL. 100 FT. W. OF PORTAL OF TUNNEL AT THIS LEVEL, ORE BODY, 100 FT. LONG, 6-30 FT. THICK, WAS DEVEL. 1100 FT. OF DRIFTS ON 300 FT. LEVEL. 225 FT. E. OF SHAFT, A CUT WAS MADE ON OREBODY 500 FT. LONG, AVG. 20 FT. THICK. ON 400 FT. LEVEL, CROSSCUT N. 90 FT. PROPERTY REOPENED IN 1939, WITH DRIFTS 500 FT. E. TO 3 ORE SHOOTS FROM CUBA NO. 2 SHAFT. ORE SHOOTS, EACH 100 FT. LONG, AVG. 5 FT. THICK, WERE STOPED. IN 1940, SHAFT EXTENDED TO 500 FT. LEVEL, DRIFTED 500 FT. EAST

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. 38-39, PL. 3

  • Deposit

    TUCKER, W.B. AND SAMPSON, R.J., 1938, MINERAL RESOURCES OF INYO COUNTY: CALIF. JOUR. MINES AND GEOLOGY, V. 34, NO. 4, P. 381-382

  • Deposit

    TUCKER, W. B., 1926, MINES AND MINERAL RESOURCES OF INYO COUNTY: CALIF. JOUR. MINES AND GEOLOGY, V. 22, NO. 4, P. 472

  • Production

    TUCKER AND SAMPSON (1938), NORMAN AND STEWART (1951)

General comments

Subject category Comment text
Deposit BRECCIATED QUARTZ AND STRINGERS MIXED WITH TALCOSE AND CLAY GOUGE, 6-40 FT. THICK
Deposit 28 UNPATENTED CLAIMS. OPERATED INTERMITTENTLY BY VARIOUS OWNERS, LEASSEES. ; INFO.SRC : 1 PUB LIT

Reporter information

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

Beyond USGS

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

External references

Authoritative California resources

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