Hidden Lake Prospect (S. Altered Zone #2)

Prospect in Custer county in Idaho, United States with commodities Silver, Lead, Molybdenum, Tin, Bismuth, Beryllium
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. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10073314
MRDS ID W019340
MAS/MILS ID 0160130228
Record type Site
Current site name Hidden Lake Prospect (S. Altered Zone #2)
Alternate or previous names Southern Altered Zone Prospect No. 2

Geographic coordinates

Geographic coordinates: -114.95653, 44.00629 (WGS84)
Elevation 2560
Relative position 14 MI S OF STANLEY, IDAHO

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Cramer(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Sawtooth National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Sawtooth Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 008N 013E 20 C Idaho

Commodities

Commodity Importance
Silver Primary
Lead Primary
Molybdenum Primary
Tin Critical Tertiary
Bismuth Critical Tertiary
Beryllium Critical Tertiary

Materials information

Materials Type of material
Molybdenite Ore

Alteration

  • (Local) Fe, Mn-Stains

Analytical data

Result CHIP SAMPLE OF VEINLET HAD:\n1.5 PPM AG, \n100 PPM PB, \n100 PPM MO, \nTRACE SN
Result CHIP SAMPLE OF ALTERED GRANITE HAD:\n3 PPM AG, \n200 PPM PB, \nTRACE SN
Result A 2ND GRANITE CHIP SAMPLE HAD:\n15 PPM AG, \n700 PPM PB, \n50 PPM BI, \n70 PPM SN, \n+1000 PPM BE, \n1500 PPM MO

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Sawtooth Batholith-Granite
    Rock description Sawtooth Batholith-Granite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -114.95653, 44.00629

Economic information

Geologic structures

Type of structure Local
Structure description Minor Fractures Trending N 65 Deg E

Ore body information

  • General form VEINLET, POD
    Width 60.96M

Controls for ore emplacement

  • Shear Zone ?

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Stanley And Hidden Lake Area

Land status

Ownership category National Forest
Area name Sawtooth National Forest

Comments on development

  • Econ.Com: Further Prospecting Needed To Determine Economic Value

Reference information

Bibliographic references

  • Deposit

    Kiilsgaard, T. H., And Others, 1970, Mineral Resources Of The Sawtooth Primitive Area, Idaho: USGS Bulletin 1319-D, 174p.

  • Deposit

    IBMG Mines & Prospects Of The Challis Quad, 1982, Mitchell

General comments

Subject category Comment text
Deposit Strike Above For Veinlet Which Is 3 Inches Wide; Width Above For Altered Zone

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1977 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 03-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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