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

Divide Extension Mine

Past Producer in Esmeralda county in Nevada, United States with commodities Silver, Gold
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. 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. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10046809
MRDS ID M242021
Record type Site
Current site name Divide Extension Mine
Alternate or previous names Kendall Shaft, Caldwell Shaft, Mammoth No. 1 Claim

Geographic coordinates

Geographic coordinates: -117.24119, 38.00105 (WGS84)
Elevation 1829
Relative position ABOUT 4.7 AIRMILES S10W FROM CENTER OF TONOPAH.

Site location context

Political divisions (FIPS codes)

Esmeralda(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tonopah(quadrangle 1:24,000 scale)

Tonopah(quadrangle 1:100,000 scale)

Tonopah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Ralston-Stone Cabin 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 002N 042E 26,27 NW (26); NE (27) Nevada

Comments on the location information

  • 3 CLAIMS ADJOINS THOSE OF THE TONOPAH DIVIDE CO. ON THE NORTH; 20 ACRES . UTM IS TO NEAR CENTER OF CLAIM BLOCK ; INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Silver Primary
Gold Tertiary

Materials information

Materials Type of material
Cerargyrite Ore

Alteration

  • (Local) Potassic, Phyllic, Propylitic, Zoned Around Fault Zones And Fractures

Analytical data

Result TO 40-60 OZ/TON AG. ORE IN 1920 RAN $20-$320/TON. 6.5 FT OF 224 OZ/TON AG ORE
Result 4 IN OF $2000/TON ORE DISCOVERED IN JAN., 1920, BUT ORE WAS BUNCHY

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Fraction Breccia
    Rock description Fraction Breccia

Nearby scientific data

(1) -117.24119, 38.00105
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Slips Of Various Orientations Traverse The Lode

Ore body information

  • General form TABULAR
    Strike N10E-N20E
    Dip 57E, 90.
    Thickness 12.19M
    Length 36.58M
    Width 15.24M

Controls for ore emplacement

  • Zone Of Fracturing And Shearing

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1921

Mining district

District name Divide (Gold Mountain) District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Divide Extension Mining Co. ; E. J. Bevis, Superintendent
    First year 1923
  • Type Owner
    Owner Divide Extension Mining Co. ; Z. Kendall, Pres.
    First year 1923

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 129.54M

Comments on the workings information

  • KENDALL SHAFT: CALDWELL SHAFT-100 FT. DEEP IN 1919 WITH A CROSSCUT AT 45 FT AND ONE AT 100 FT SHAFTS WERE 425 AND 200 FT DEEP IN 1923; SURFACE PROSPECTS AND TRENCHES, DRIFTS, WINZES

Comments on development

  • ACTIVE IN 1923.

Reference information

Bibliographic references

  • Deposit

    KNOPF, ADOLPH, 1921, USGS BULL 715, P. 167-168

  • Deposit

    LINCOLN, F.C., 1923

  • Deposit

    NBMG REPORT 33, P. 124

  • Deposit

    NBMG BULL 92, P. 121-128.

  • Deposit

    WEED, W.H., ED., 1920, THE MINES HANDBOOK, VOL XIV, P. 1135-1136.

  • Deposit

    WEED, W.H., ED., 1922, THE MINES HANDBOOK, VOL. XV, P. 1185-1186.

  • Production

    BONHAM AND GARSIDE, 1979, P. 125.; WEED, W.H., 1922, P 1185-1186

General comments

Subject category Comment text
Deposit IN MARCH 1921, ORE SHOOT WAS DISCOVERED, 4-8 FT WIDE, 120 FT LONG, BETWEEN 100 AND 200 FT LEVELS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-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.