Rattlesnake Ridge Prospect

Prospect in Lemhi county in Idaho, United States with commodities Silver, Gold, 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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10071767
MRDS ID W015313
MAS/MILS ID 0160590422
Record type Site
Current site name Rattlesnake Ridge Prospect
Related records 10266347

Geographic coordinates

Geographic coordinates: -114.72064, 45.05708 (WGS84)
Elevation 1158
Relative position 4.5 MI SW OF WILSON MTN

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Puddin Mountain(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Middle Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Frank Church-River of No Return Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 020N 014E 23 SWNWSW Idaho

Comments on the location information

  • NE Of Confluence Of Rattlesnake Creek With Middle Fork Salmon River Land Status Value Calculated 7-94 Using GIS Overlay Analysis With USFS Land Ownership Boundaries, 1:126,720 Scale.

Commodities

Commodity Importance
Silver Primary
Gold Tertiary
Copper Tertiary

Materials information

Materials Type of material
Malachite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result SAMPLE ASSAYED TRACE AU, 0.16 OZ AG/TON AND TRACE CU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock
    Rock unit name Yellowjacket Formation
    Rock description Yellowjacket Formation-Metasedimentary Rocks
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -114.72064, 45.05708

Economic information

Ore body information

  • Width 1.22M

Controls for ore emplacement

  • Bedding

Comments on the geologic information

  • Original alteration entry:
    Local - Fe Oxide
  • Original ore control entry:
    Bedding Planes

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Middle Fork District

Land status

Ownership category National Forest
Area name Salmon National Forest
Ownership category National Primitive Area
Area name Idaho Primitive Area

Reference information

Bibliographic references

  • Deposit

    Cater, F. W., And Others, 1973, Mineral Resources Of The Idaho Primitive Area And Vicinity, Idaho: USGS Bulletin 1304, 431 P

General comments

Subject category Comment text
Deposit 2 Caved Adits Along Quartz Veins In Yellowjacket Formation. Veins Vary In Width From .5 To 1.2 Meters And Are Composed Of 95 Percent Quartz And Less Than 5 Percent Pyrite, Malachite, And Iron-Oxide Stain. A Sample Assayed A Trace Gold, 5.48 Grams Silver Per Metric Tonne, And A Trace Copper

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1974 Miller, Pat J. U.S. Geological Survey
Reporter 25-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.