Hartford Group Prospect

Occurrence in Boise county in Idaho, United States with commodity Gold
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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10069846
MRDS ID W007570
Record type Site
Current site name Hartford Group Prospect
Related records 10216833

Geographic coordinates

Geographic coordinates: -115.96763, 43.97488 (WGS84)
Elevation 1219
Relative position 1 1/2 MI. NE OF QUARTZBURG

Site location context

Political divisions (FIPS codes)

Boise(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Placerville(quadrangle 1:24,000 scale)

Idaho City(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Boise-Mores(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Boise 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 Boise

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 007N 004E 03 Idaho

Commodities

Commodity Importance
Gold Tertiary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue
Tremolite Gangue

Alteration

  • (Local) Oxidized, Sericitized, Kaolinization

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Paleocene
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Idaho Batholith-Granite;Dacite Porphyry
    Rock description Idaho Batholith-Granite;Dacite Porphyry
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -115.96763, 43.97488

Economic information

Ore body information

  • General form LINEAR
    Width 4.88M

Controls for ore emplacement

  • Fissure

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Boise Basin

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 18.29M

Comments on the workings information

  • NUMEROUS SURFACE CUTS AND TUNNELS

Comments on development

  • 3 UNPATENTED CLAIMS ; PROPERTY INACTIVE UNTIL 1934 WHEN A SMALL MILL WAS ERECTED AND A LITTLE DRIFTING WAS DONE UNDERGROUND.

Reference information

Bibliographic references

  • Deposit

    BALLARD, S. M., 1924, GEOLOGY AND GOLD RESOURCES OF BOISE BASIN, BOISE COUNTY, IDAHO: ID. BUREAU OF MINES & GEOL., BULL. NO. 9, 103 P.

  • Deposit

    ANDERSON, A.L., 1947, GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO: USGS BULL. 944-C, P. 310-311.

  • Deposit

    1924 GEOLMAP IDAHO BUREAU OF MINES, BULL. 9

  • Deposit

    1947 GEOLMAP ANDERSON, A.L., BULL. 944-C

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1975 Murphy, Lyn S. U.S. Geological Survey
Updater 01-AUG-1976 Everett, Sandra E. U.S. Geological Survey

Beyond USGS

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