New Gold Era

Prospect in Jefferson county in Montana, United States with commodities Gold, 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10022866
MRDS ID FS00368
Record type Site
Current site name New Gold Era

Geographic coordinates

Geographic coordinates: -111.96726, 46.25018 (WGS84)
Elevation 1829
Relative position 2 1/2 MILE SW OF ELKHORN

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Elkhorn(quadrangle 1:24,000 scale)

Townsend(quadrangle 1:100,000 scale)

White Sulphur Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Boulder(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Beaverhead-Deerlodge 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 Montana Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006N 003W 22 Montana

Commodities

Commodity Importance
Gold Tertiary
Silver Tertiary

Analytical data

Result ASSAY REPORT: AU - .02 OZ/TON AG - .5 OZ/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Boulder Batholith, Quartz Diorite
    Rock description Boulder Batholith, Quartz Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -111.96726, 46.25018

Economic information

Ore body information

  • General form IRREGULAR

Comments on the geologic information

  • SEDIMENTARY ROCKS ARE LIMESTONE, QUARTZITE SHALES OVERLAIN BY VOLCANIC TUFFS AND BRECCIA, THEN INTRUDED BY CRETACEOUS IGNEOUS INTRUSIONS

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1953
Discoverer Wade V. Lewis & Jessie T. Lewis

Mining district

District name Elkhorn

Ownership information

  • Type Owner
    Owner Wade Lewis And Jessie Lewis

Workings at the site

  • Type of workings Surface/Underground
    Length 24.38M
    Overall length 21.34M
    Overall width 6.1M

Comments on the workings information

  • TUNNEL - RUNS THROUGH ALTERED AND SILICIFIED ZONE SHOWING IRON SULFIDE. CUT - 20 FTX70 FTX30 FT FACE EXPOSES IRON STAINED AND IRON SULFIDE ZONE.

Reference information

Bibliographic references

  • Deposit

    1959 DIREXPL USGS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Steward, Candis A. U.S. Geological Survey

Beyond USGS

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