Mattie Group Prospect

Occurrence in Boise county in Idaho, 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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10069874
MRDS ID W007618
Record type Site
Current site name Mattie Group Prospect
Related records 10240915

Geographic coordinates

Geographic coordinates: -115.87706, 43.87098 (WGS84)
Elevation 1219
Relative position 4 MI NW OF IDAHO CITY, IDAHO

Site location context

Political divisions (FIPS codes)

Boise(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Warm Springs Point(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 006N 005E 09 Idaho

Comments on the location information

  • ON THE DIVIDE BETWEEN GRIMES CR AND MOORE CR.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Quartz Gangue

Alteration

  • (Local) Fe And Mn Stains; Oxidation

Analytical data

Result MATTIE VEIN ASSAYED 1.40 OZ AU/TON, 0.9 OZ AG/TON.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Idaho Batholith-Granite
    Rock description Idaho Batholith-Granite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -115.87706, 43.87098

Economic information

Ore body information

  • General form LINEAR

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Idaho City District

Land status

Ownership category State

Workings at the site

  • Type of workings Underground
    Overall depth 30.48M

Comments on the workings information

  • 2 VEINS: N 55 DEG W 35 DEG SW (MATTIE VEIN), N 10 DEG W 45 DEG W (BOISE VEIN).. 1 TUNNEL, 2 SHAFTS, DRIFTS

Comments on development

  • 3 CLAIMS

Reference information

Bibliographic references

  • Deposit

    BALLARD, SAMUEL M., 1924, GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, BOISE CO., IDAHO, IDAHO BUREAU OF MINES & GEOL. BULL. #9 P. 98

  • Deposit

    ANDERSON, A.L., 1947, GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO: USGS BULL. 944-C, P. 244-245.

  • 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-JUL-1975 Steigner, William D. 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.