Idaho Gold Chief Prospect

Past Producer in Elmore county in Idaho, United States with commodities Gold, Zinc, Lead, Silver

Geologic information

Identification information

Deposit ID 10070017
MRDS ID W007852
MAS/MILS ID 0160390034
Record type Site
Current site name Idaho Gold Chief Prospect
Alternate or previous names Tip Top, Bar Lode, Henry Clay Lode, Chieftain Consolidated

Geographic coordinates

Geographic coordinates: -115.29484, 43.68708 (WGS84)
Elevation 1737
Relative position 1/4 MI S OF ROCKY BAR
(click for info)

Geographic areas

Country State County
United States Idaho Elmore

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 004N 010E 17 W2NW Idaho


Commodity Importance
Gold Primary
Zinc Tertiary
Lead Tertiary
Silver Tertiary

Materials information

Materials Type of material
Galena Ore
Scheelite Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue


  • (Local) Oxidation

Host and associated rocks

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

Nearby scientific data

(1) -115.29484, 43.68708

Ore body information

  • General form SEAMS AND STRINGERS
    Strike WNW
    Dip 55 DEG N

Controls for ore emplacement

  • Shear Zone

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery method Ore-Mineral In Place

Mining district

District name Rocky Bar District

Land status

Ownership category National Forest
Area name Boise National Forest

Ownership information

  • Type Operator
    Owner Idaho Gold Chief Mining Co.
  • Type Owner
    Owner W. M. Caldwell

Workings at the site

  • Type of workings Underground
    Length 1005.84M

Comments on the workings information

  • At Least One Shaft 100 Ft. Deep And A 75 Ft. Winze

Comments on development

  • Holdings Are Extensive

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS W007852
Idaho Geological Survey Idaho Mines and Prospects IMP HA_117
U.S. Bureau of Mines Minerals Availability System MAS 0160390034 data consolidated into this record

Bibliographic references

  • Deposit

    Anderson, A. L., 1943, Geology Of The Gold - Bearing Lodes Of Rocky Bar District, Elmore Co., Idaho: Idaho Bureau Of Mines & Geol. Pam. 65. P. 38.

  • Deposit

    Jones, R.W., 1959, Idaho Gold Chief: Idaho Bur Mines And Geology Open-File Rept.

  • Deposit

    Mining Industry Of Idaho, 1973-1974, Seventy-First Annual Report, 98 P.

  • Deposit

    1943 Geolmap Idaho Bureau Of Mines & Geol. Pam. 6

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1975 Steigner, William D. U.S. Geological Survey
Updater 01-SEP-1976 Siefken, Robert R. U.S. Geological Survey
Reporter 13-MAR-1995 Western Field Operations Center (WFOC) U.S. Bureau of Mines