Nellie Ann Mine

Past Producer in Owyhee county in Idaho, United States with commodities Gold, Silver, Copper
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. 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. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10069911
MRDS ID W007687
Record type Site
Current site name Nellie Ann Mine
Related records 10290806

Geographic coordinates

Geographic coordinates: -116.79677, 42.94928 (WGS84)
Elevation 1817
Relative position 6 MI SW OF SILVER CITY

Site location context

Political divisions (FIPS codes)

Owyhee(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Flint(quadrangle 1:24,000 scale)

Triangle(quadrangle 1:100,000 scale)

Jordan Valley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jordan(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Idaho Owyhee

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 005S 004W 34 Idaho

Comments on the location information

  • NEAR HEAD OF WASHINGTON GULCH

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Tertiary

Alteration

  • (Local) Silicification

Analytical data

Result GRAB SAMPLES ASSAYED 0.01 TO 0.04 OZ. AU AND 0.3 TO 3.5 OZ. AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Silver City Granite-Granite
    Rock description Silver City Granite-Granite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -116.79677, 42.94928

Economic information

Ore body information

  • General form IRREGULAR
    Strike N 15 DEG E
    Dip 70 DEG W

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
Discovery year 1923

Mining district

District name Flint District

Land status

Ownership category State

Comments on the production information

  • SOME AU-AG ORE WAS PRODUCED IN 1924. 1 LOT SHIPPED.

Workings at the site

  • Type of workings Underground
    Length 182.88M

Comments on development

  • 3 UNPATENTED CLAIMS

Reference information

Bibliographic references

  • Deposit

    PIPER, A. M., AND LANEY, F. B., 1926, GEOLOGY AND METALLIFEROUS RESOURCES OF THE REGION ABOUT SILVER CITY, IDAHO: IDAHO BUREAU OF MINES AND GEOL. BULL. 11, 165 P.

  • Deposit

    GERRY, C. N., 1927 , USBM MINERAL RESOURCES OF THE UNITED STATES, 1924 , PT. 1 METALS, P. 275.

  • Deposit

    1926 GEOLMAP IDAHO BUREAU OF MINES AND GEOL. BULL. 1

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1975 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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

External references