Twentieth Century Mine

Past Producer in Ada county in Idaho, United States with commodities Gold, Copper, Lead, 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. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10070268
MRDS ID W013068
MAS/MILS ID 0160010087
Record type Site
Current site name Twentieth Century Mine

Geographic coordinates

Geographic coordinates: -116.08736, 43.57818 (WGS84)
Elevation 1146
Relative position 1 1/2 MI. N.E. OF BARBER

Site location context

Political divisions (FIPS codes)

Ada(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lucky Peak(quadrangle 1:24,000 scale)

Boise(quadrangle 1:100,000 scale)

Boise(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Boise(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Idaho Ada

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 003N 003E 22 SW Idaho

Commodities

Commodity Importance
Gold Primary
Copper Tertiary
Lead Tertiary
Silver Tertiary

Analytical data

Result AVERAGED $3 TO $4/TON AU IN 1907.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -116.08736, 43.57818

Economic information

Ore body information

  • General form LINEAR
    Strike N
    Dip 45 DEG W
    Width 30.48M

Economic information about the deposit and operations

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

Mining district

District name Shaw Mtn. District

Land status

Ownership category State

Workings at the site

  • Type of workings Underground
    Length 1219.2M
    Overall depth 121.92M

Comments on development

  • 700 Acres In Property

Reference information

Bibliographic references

  • Deposit

    Bell, R. N., 1906, Seventh Annual Report Of The Mining Industry Of Idaho For The Year 1905, P. 15 - 18.

  • Deposit

    Bell, R. N., 1907, Eighth Annual Report Of The Mining Industry Of Idaho For The Year 1906, P. 17 - 20.

  • Deposit

    Bell, R. N., 1908, Ninth Annual Report Of The Mining Industry Of Idaho For The Year 1907, P. 16 - 23.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Matthews, John Y.; Miller, Pat U.S. Geological Survey
Reporter 30-JAN-1995 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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