Enterprise Group Mine

Past Producer in Boise county in Idaho, United States with commodities Gold, Silver, Lead, Copper, Zinc
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. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10105708
MRDS ID W014408
Record type Site
Current site name Enterprise Group Mine
Alternate or previous names Engle, Baby
Related records 10192517

Geographic coordinates

Geographic coordinates: -115.80876, 44.01928 (WGS84)
Elevation 1707
Relative position 3 MI SE GRIMES

Site location context

Political divisions (FIPS codes)

Boise(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grimes Pass(quadrangle 1:24,000 scale)

Deadwood River(quadrangle 1:100,000 scale)

Challis(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 008N 005E 24 Idaho

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Copper Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitized; Fe And Cu Stains

Analytical data

Result RANGE OF ORE ASSAYS: 1.4 - 3.13 OZ AU/TON, 9.9 - 15.6 OZ AG/TON, 0.4 - 0.58% CU, 12.3 - 25.26% PB, 5.2-7.35% ZN

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Quartz Monzonite Porphyry Stock;Porphyry Dikes
    Rock description Quartz Monzonite Porphyry Stock;Porphyry Dikes
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -115.80876, 44.01928

Economic information

Ore body information

  • Strike N 70 DEG E
    Dip 65 DEG S
    Length 121.92M
    Width 3.66M

Controls for ore emplacement

  • Fissure

Economic information about the deposit and operations

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

Mining district

District name Grimes Pass District

Land status

Ownership category National Forest
Area name Boise National Forest

Ownership information

  • Type Owner
    Owner Mineral Mining Co.

Reference information

Bibliographic references

  • Deposit

    JONES, E. L., JR., 1916, LODE MINING IN THE QUARTZBURG AND GRIMES PASS PORPHYRY BELT, BOISE BASIN, IDAHO: USGS BULL. 640, PP 83 - 111.

  • Deposit

    ANDERSON, A. L., 1947, GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO: USGS BULL. 944 - C, P. 119 - 319.

  • Deposit

    1916 RECON JONES, E. L., JR., BULL. 640

  • Deposit

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

  • Production

    JONES, E. L. JR., 1916, USGS BULL. 640, P. 108.

Reporter information

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

Beyond USGS

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