Delmar Mine

Past Producer in Lemhi county in Idaho, United States with commodities Gold, Copper, Lead
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. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10070421
MRDS ID W013349
Record type Site
Current site name Delmar Mine
Related records 10120227

Geographic coordinates

Geographic coordinates: -113.96312, 45.26239 (WGS84)
Elevation 1920
Location accuracy 250(meters)
Relative position 6.5 MI N29W OF SALMON

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bird Creek(quadrangle 1:24,000 scale)

Salmon(quadrangle 1:100,000 scale)

Dillon(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 022N 021E 03 W2 OF SE Idaho

Comments on the location information

  • IN WALLACE CR DRAINAGE, W OF MOOSE CR RD ; INFO FROM LAND.ST :(1978)

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Lead Secondary

Materials information

Materials Type of material
Galena Ore
Malachite Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation, Gouge, Silicification.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Yellowjacket Formation
    Rock description Yellowjacket

Nearby scientific data

(1) -113.96312, 45.26239

Economic information

Geologic structures

Type of structure Local
Structure description Contact Zone, Granitic Pluton

Ore body information

  • General form TABULAR, PINCH AND SWELL
    Strike N 15 E
    Dip 65 NW
    Thickness 1.83M
    Length 30.48M
    Depth to top 0M

Controls for ore emplacement

  • Fractures; Fault Zone

Economic information about the deposit and operations

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

Mining district

District name Eureka District

Land status

Ownership category National Forest
Area name Salmon National Forest

Ownership information

  • Type Owner
    Owner N. E. Mills, H. O. Klaus (Delmar Min. And Milling Co.)

Workings at the site

  • Type of workings Surface/Underground
    Overall length 137.16M

Comments on the workings information

  • INACCESSIBLE OLD SHAFTS AND ADITS. RECENT BULLDOZED CUTS AND OPEN, 450-FT CROSSCUT.

Comments on development

  • 18 UNPATENTED CLAIMS MADE BY DELMAR MINING CO. ON OLD PROPERTY IN 1950. SMALL MILL ON PROPERTY.

Reference information

Bibliographic references

  • Deposit

    ANDERSON, A. L., 1959, GEOLOGY AND MINERAL RESOURCES OF THE NORTH FORK QUADRANGLE, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 118, 92 P.

  • Deposit

    ANDERSON, A. L., 1958, THORITE AND RARE EARTH DEPOSITS IN THE LEMHI PASS AREA, LEMHI CO., IDAHO (ABS): MINING ENG. JOUR., V. 10, NO. 12, P. 1242 - 1243.

  • Deposit

    USGS BULL 528.

  • Deposit

    1913 GEOLMAP UMPLEBY, J.B., U.S. GEOLOGICAL SURVEY BULL. 528.

  • Deposit

    1959 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 118

General comments

Subject category Comment text
Deposit QUARTZ VEIN PINCHES OUT ALONG HIGHLY GOUGY PART OF FAULT ZONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1974 Miller, Pat J. U.S. Geological Survey
Updater 01-APR-1980 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey

Beyond USGS

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