Last Chance Prospect

Occurrence in Owyhee county in Idaho, United States with commodities Zinc, Lead, Silver, Gold
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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  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 10093771
MRDS ID W027336
Record type Site
Current site name Last Chance Prospect
Related records 10241603

Geographic coordinates

Geographic coordinates: -116.59376, 42.88848 (WGS84)
Elevation 1707
Relative position ABOUT 10 MI SE 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

Toy Pass(quadrangle 1:24,000 scale)

Triangle(quadrangle 1:100,000 scale)

Jordan Valley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Snake-Succor(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Owyhee

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 006S 002W 20,21 Idaho

Commodities

Commodity Importance
Zinc Critical Primary
Lead Primary
Silver Primary
Gold Primary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Quartz Gangue

Alteration

  • (Local) Iron Staining

Analytical data

Result ASSAY VALUES INDICATE SILVER AND GOLD
Result OWNER'S ASSAYS RAN 3.2 % PB, 7 % ZN, SEVERAL OZ AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Silver City Granite
    Rock description Silver City 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) -116.59376, 42.88848

Economic information

Ore body information

  • Strike N 66 DEG E
    Dip 80 DEG N
    Width 3.05M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Castle Creek District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner W. Whitney

Workings at the site

  • Type of workings Surface
    Overall length 76.2M

Comments on the workings information

  • TWO CUTS ON OPPOSITE SIDES OF SMALL CREEK

Comments on development

  • 2 UNPATENTED CLAIMS AND A MILLSITE IN 1967

Reference information

Bibliographic references

  • Deposit

    GREEN, W. R., 1967 , LAST CHANCE PROSPECT: IDAHO BUR MINES AND GEOLOGY OPEN-FILE REPT., 2 P

  • Deposit

    1967 RECON IDAHO BUREAU OF MINES AND GEOLOGY OPEN-FILE REPT

General comments

Subject category Comment text
Deposit SEVERAL THOUSAND FT LONG

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1977 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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