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  3. Mineral Resource Data System (MRDS)

Rainbow Claim

Past Producer in Lemhi county in Idaho, United States with commodity Beryllium
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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. 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. Mineral rights holdings
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10070537
MRDS ID W013510
MAS/MILS ID 0160590054
Record type Site
Current site name Rainbow Claim
Alternate or previous names Crags, Cathedral Rock

Geographic coordinates

Geographic coordinates: -114.52594, 45.10598 (WGS84)
Elevation 2560
Relative position 14 MILES WEST OF COBALT, IDAHO

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hoodoo Meadows(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Panther(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)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 021N 017E 31 Idaho
Boise 020N 017E 06 Idaho

Comments on the location information

  • Ridge Between Headwaters Of Yellowjacket And Big Deer Creeks, Plotted At Discovery Pit, Plotted At Discovery Pit

Commodities

Commodity Importance
Beryllium Critical Tertiary

Materials information

Materials Type of material
Aquamarine Ore
Biotite Gangue
Feldspar Gangue
Fluorite Gangue
Quartz Gangue

Analytical data

Result BERYL CRYSTALS FROM 0.5-2.0 INCHES IN DIAMETER
Result LESS THAN 0.2% AQUAMARINE
Result 1 RANDOM CHEP SAMPLE 3.05% BEO, ANOTHERCHIP SAMPLE 0.004% BEO

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Idaho Batholith-Quartz Monzonite
    Rock description Idaho Batholith-Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -114.52594, 45.10598
ListMap

Economic information

Ore body information

  • General form DISSEMINATED GRAINS, CRYSTALLINE MASSES
    Strike N 10 DEG W
    Dip 65 DEG W
    Thickness 0.1M
    Length 53.95M
    Width 0.18M

Controls for ore emplacement

  • Joints

Comments on the geologic information

  • Mineralized Zone Extends Across Cathedral Rock; Hr.Age.Mv: Pegmatite; Cret - Quartz Monzonite ; Cret - Quartz Monzonite
  • Original ore control entry:
    Joints

Economic information about the deposit and operations

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

Mining district

District name Blackbird District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest
Area name Salmon National Forest

Ownership information

  • Type Owner
    Owner O. J. Westfall And B. B. King

Comments on the workings information

  • 1 Discovery Pit

Comments on development

  • 1 Unpatented Claim

Reference information

Bibliographic references

  • Deposit

    Pattee, E. C., And Others, 1968, Beryllium Resources Of Idaho, Washington, Montana, And Oregon: USBM Rept. Inv. 7148, 169 P

General comments

Subject category Comment text
Deposit A Large Concentration Of Aquamarine Occurs In The Area; It Trends N 60 Deg E, Is 50 - 250 Ft Wide, And Is 2400 Ft Long; Description Above For Pegmatite At Discovery Pit

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 13-OCT-1990 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.

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