Robinson Dike Mine

Past Producer in Idaho county in Idaho, United States with commodities Gold, Lead, Silver
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. Mineral rights holdings
  17. Land status
  18. Ownership information
  19. Reserves and resources
  20. Workings at the site
  21. Links to other databases
  22. Bibliographic references
  23. Reporter information

Geologic information

Identification information

Deposit ID 10071666
MRDS ID W015174
MAS/MILS ID 0160490474
Record type Site
Current site name Robinson Dike Mine
Alternate or previous names Gold Hill Group, Dixie Dike, Robinson Mine, Earl Day, Robinson Dyke

Geographic coordinates

Geographic coordinates: -115.47267, 45.52377 (WGS84)
Elevation 1829
Relative position 2.5 MI SW OF DIXIE

Site location context

Political divisions (FIPS codes)

Idaho(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dixie(quadrangle 1:24,000 scale)

Elk City(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Chamberlain(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Nez Perce-Clearwater 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 Idaho

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 025N 008E 09, 16 SENE (09) Idaho

Comments on the location information

  • On Divide Between Comstock Creek And Long Tom Creek, 4 miles south of Dixie

Commodities

Commodity Importance
Gold Primary
Lead Tertiary
Silver Tertiary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitization
  • (Local) Silicification
  • (Local) Brecciation
  • (Local) Oxidation

Analytical data

Result $2.40 AU/TON (1936)
Result OXIDIZED ORE ASSAYED $2 - $5 AU/TON, 1 HAND SAMPLE UNOXIDIZED ORE ASSAYED $7 AU/TON

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) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Quartzite, Schist

Nearby scientific data

(1) -115.47267, 45.52377

Economic information

Geologic structures

Type of structure Local
Structure name Brecciation
Structure description Brecciation

Ore body information

  • Name Robinson Dike
    General form LENTICULAR, PINCH AND SWELL
    Strike N 30 DEG W
    Dip NE
    Length 1371.6M
    Width 30.48M

Controls for ore emplacement

  • Shearzone

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1904
Discoverer Louis N. Larsen
Year of first production 1935
Milling method Heap Leach-Agglomerate-Carbon Column-Merrill-Crowe

Mining district

District name Dixie District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest
Area name Nez Perce National Forest

Ownership information

  • Type Owner-Operator
    Owner CANYON RESOURCES CORP (ATNA RESOURCES)
    Interest 100
    Home office 14142 Denver West Parkway\nSuite 250\nGolden CO 80401
    Year 1990
    First year 1990
  • Type Operator
    Owner Bunker Hill And Sullivan Co.
  • Type Owner
    Owner Cletus And Dave Kaufman

Comments on the production information

  • In 1935, 35 - 40 Tons Ore/Day Treated; Item 1 From Opencut

Reserves and resources

  • Type In-situ
    Estimate year 1990
    Total resources 1790000mt ore
    Remarks USGS OFR 2004-1038
    Commodity Subtype Grade units Group Importance Year
    Gold 1.1 g/mt Gold Major 1990

Workings at the site

  • Type of workings Surface/Underground
    Length 487.68M

Comments on development

  • 10 Claims; 50 - Ton Mill; Diamond Drilling

Reference information

Bibliographic references

  • Deposit

    Capps, S. R., And Roberts, R. J., 1939, The Dixie Placer District, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 48, 35 P.

  • Deposit

    Jones, R. W., 1957, Robinson: Idaho Bureau Of Mines And Geology Open - File Rept.

  • Deposit

    Lorain, S. H., 1938, Gold Mining And Milling In Idaho County: USBM Inf. Circ. 7039, 90 P.

  • Deposit

    Capps, S. R., 1938, The Petrography And Ore Deposits Of The Dixie District, Idaho: Seattle, Washington, Univ. Of Washington, M. S. Thesis, 61 P.

  • Deposit

    1937 Direxpl Bunker Hill & Sullivan Co., Idaho Bureau Of Mines And Geology Pamphlet 48

  • Deposit

    Montgomery, James M., Consulting Eng., Inc. Initial Reclamation Plan, Robinson-Dike Mining Project. Prepared For Nevex Gold Co. Inc., Sept. 1986, 61 Pp.

  • Deposit

    U.S. Bureau Of Mines Open-File Report MLA 8-91, 1991, P. 31-34

  • Production

    Capps, S. R., And Roberts, R. J., 1939, Idaho Bureau Of Mines And Geology Pamphlet 48

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1974 Miller, Pat J. U.S. Geological Survey
Reporter 14-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines
Reporter 13-OCT-1990 Western Field Operations Center (WFOC) U.S. Bureau of Mines
Reporter 04-OCT-1991 Neumann, Terry R. U.S. Bureau of Mines

Beyond USGS

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

External references