Dry Hills Tactite Prospect

Occurrence in Humboldt county in Nevada, United States with commodities Copper, Manganese, Molybdenum, Tungsten, Zinc
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. Alteration
  8. Mineral occurrence model information
  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. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10047409
MRDS ID M242708
Record type Site
Current site name Dry Hills Tactite Prospect
Alternate or previous names NBMG Sample Site 2619

Geographic coordinates

Geographic coordinates: -117.20402, 41.28072 (WGS84)
Elevation 1673

Site location context

Political divisions (FIPS codes)

Humboldt(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dry Hills North(quadrangle 1:24,000 scale)

Osgood Mountains(quadrangle 1:100,000 scale)

McDermitt(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Little 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 Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 039N 042E 0211 Nevada

Comments on the location information

  • INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Copper Primary
Manganese Critical Primary
Molybdenum Tertiary
Tungsten Critical Tertiary
Zinc Critical Tertiary

Alteration

  • (Local) Silication Along Contact Zone.

Analytical data

Result SAMPLE 2619 IS OF GARNET SKARN WITH FE-MN GOSSAN, COARSE-GRAINED AMBER GARNET, MINOR CU OXIDE STAIN, QUARTZ, OPEN SPACES FILLED WITH OXIDES, FINE-GRAINED FE-OXIDE-RICH JASPEROID. IT CONTAINS +20% FE, 0.2% MG, 7% CA, 0.01% TI, 700 PPM MN, 20 PPM AG, 200 PPM AS, 100 PPM B, 50 PPM BA, 5 PPM CO, 2000 PPM CU, 500 PPM MO, 10 PPM NI, 20 PPM PB, 70 PPM SN, 100 PPM V, 100 PPM W, 10 PPM Y, 3000 PPM ZN.

Mineral occurrence model information

Model code 59
USGS model code 18b
Deposit model name Skarn Cu
Mark3 model number 8

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Metamorphic Rock > Skarn (Tactite)
    Rock unit name Antler Peak Limestone
    Rock description Antler Peak Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -117.20402, 41.28072

Economic information

Geologic structures

Type of structure Regional
Structure description Reg.Struct: Ne-Trending Thrust Fault

Ore body information

  • General form ROUGHLY TABULAR
    Strike N 50 E
    Dip 50 NW
    Width 1.83M

Controls for ore emplacement

  • Igneous Contact

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Potosi District; Getchell District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Conoco, (1970'S-Drilling)

Comments on the workings information

  • INCLINED PROSPECT SHAFT, CUTS RECENT DRILLING NEARBY (CONOCO, 1970'S)

Comments on development

  • OLD SHAFT APPEARS TO DATE FROM 1920'S-1930'S. NO ACTIVITY AT TIMEOF EXAMINATION IN 1984.

Reference information

Bibliographic references

  • Deposit

    TINGLEY, J.V., 7 SEP 84, NBMG FIELD EXAMINATION, AND SAMPLE ANALYSIS

  • Deposit

    NBMG STAFF, 1985, NBMG OFR 85-3.

  • Deposit

    WILLDEN, R., 1964, NBMG BULL 59, PL. I.

General comments

Subject category Comment text
Deposit IRON-MANGANESE-RICH GOSSAN IN COARSE-GRAINED GARNET SKARN ALONG CONTACT OF APLITE DIKE AND GREY LIMESTONE. CONTACT APPROXIMATELY N50E, 50 NW DIP; DIKE ON WEST SIDE, SILICATED ROCK EXPOSED IN TRENCHES. SKARN ZONE ABOUT 6 FT WIDE AS EXPOSED IN OLD SHAFT; MNO, FE OX AND CU OX STAINING.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1986 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology
Updater 01-SEP-1994 Li, Zhiping (Peters, S.) U.S. Geological Survey

Beyond USGS

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

Authoritative Nevada resources

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