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Modoc No 6

Occurrence in Lander county in Nevada, United States with commodity Tin
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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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10044839
MRDS ID M232453
Record type Site
Current site name Modoc No 6

Geographic coordinates

Geographic coordinates: -116.89705, 40.96323 (WGS84)

Site location context

Political divisions (FIPS codes)

Lander(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Izzenhood Ranch(quadrangle 1:24,000 scale)

Battle Mountain(quadrangle 1:100,000 scale)

Winnemucca(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Humboldt(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(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 Lander

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 036N 045E 28 Nevada

Commodities

Commodity Importance
Tin Critical Primary

Materials information

Materials Type of material
Cassiterite Ore
Chalcedony Gangue
Opal Gangue
Quartz Gangue
Sanidine Gangue
Tridymite Gangue

Alteration

  • (Local) The Tin-Bearing Belt Is Marked By Red-Stained Or Bleached Silicitied Rhyolite.

Mineral occurrence model information

Model code 157
USGS model code 25h
Deposit model name Rhyolite-hosted Sn

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) -116.89705, 40.96323
ListMap

Economic information

Ore body information

  • General form TABULAR
    Length 3218.6M
    Width 804.65M

Controls for ore emplacement

  • Believed That Cassiterite-Bearing Incrustations Were Deposited Along The Wals Of Fumarolic Vents. Evidence Cited Includes The Discontinuity And Extreme Irregularity In Attitude Of The Individual Fissures, The Absence Of Brecciation & Faulting, The Similar Mineralogy Of Resical Fillings In The Host Rock And The Veinlets, And The Lack Of Sulfides.

Comments on the geologic information

  • THE TIN DEPOSITS CONSIST OF CASSITERITE BEARING QUARTZ VEINLETS, LENSES AND FRACTURE COATINGS IN RHYOLITE ALONG AN EAST TRENDING BELT ABOUT 2 MILES LONG AND 1/2 MILE WIDE. THE WALL ROCKS ARE UNALTERRED, AND THERE IS LITTLE BRECCIATION AS THE FRACTURES ARE DISCONTINUOUS AND UNDERWENT INSIGNIFICANT MOVEMENT. THE VEINLETS HAVE AN OPEN TEXTURE AND APPEAR AS INCRUSTATIONS OF THE WALLS OF CROSS AND PARALLEL FISSURES. THE INCRUSTATIONS ARE LARGELY SPECULARITE AND CASSITERITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1914

Mining district

District name Izenhood

Workings at the site

  • Type of workings Underground
    Overall depth 15.24M

Comments on the workings information

  • INCLINED SHAFT

Comments on development

  • TIN DISCOVERED IN 1914; INCLINED SHAFT SUNK 50 FEET

Reference information

Bibliographic references

  • Deposit

    STAGER H. K. (1977) GEOLOGY & MINERAL DEPOSITS OF LANDER CO., NEV., N.B.M. BULL 88

  • Deposit

    VANDERBERG W. O. (1939) RECON OF MINING DISTRICTS IN LANDER CO. NEV, USBM 1.C 7043

  • Deposit

    FRIES C. (1941) TIN DEPOSITS OF NORTHERN LANDER CO. NEV., USGS BULL 931-C

General comments

Subject category Comment text
Deposit 4 NEARLY PARALLEL VEINLETS; CASSITERITE-BEARING QUARTZ VEINLETS, LENSES, AND FRACTURE COATINGS
Deposit TIN WAS DISCOVERED IN 1914 DEVELOPEMENT CONSIST OF A 50 FOOT DEEP INCLINED SHAFT. THIS SHAFT FOLLOWS THE DIP OF FOUR NEARLY PARALLEL VEINLETS. SEE FRIES (1944) FOR GEOLOGIC MAP OF THE PROSPECT ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1980 Kirkham, Richard A. Nevada Bureau of Mines and Geology

Beyond USGS

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

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.