Blue Rock Group

Occurrence in Boise county in Idaho, United States with commodities Silver, Gold, Lead, 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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10069863
MRDS ID W007600
Record type Site
Current site name Blue Rock Group
Related records 10143969

Geographic coordinates

Geographic coordinates: -116.01346, 43.97349 (WGS84)
Elevation 1951
Relative position 1 1/2 MI. NW OF QUARTZBURG

Site location context

Political divisions (FIPS codes)

Boise(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Harris Creek Summit(quadrangle 1:24,000 scale)

Boise(quadrangle 1:100,000 scale)

Boise(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

Bureau of Land Management(Bureau of Land Management ID)

Bureau of Land Management ID BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Idaho Boise

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 007N 004E 05 Idaho

Comments on the location information

  • 400 FT. S. OF SILVER HILL MINE

Commodities

Commodity Importance
Silver Tertiary
Gold Tertiary
Lead Tertiary
Zinc Critical Tertiary

Materials information

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

Host and associated rocks

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

Nearby scientific data

(1) -116.01346, 43.97349

Economic information

Geologic structures

Type of structure Local
Structure description Gouge. Basic Dike Forms Footwall, Granite Forms Hanging Wall.

Ore body information

  • General form PINCHES, SEAMS
    Strike N 75 DEG W
    Dip 75 DEG S
    Length 12.19M
    Width 1.83M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Boise Basin

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Blue Rock Mines Corp.

Workings at the site

  • Type of workings Surface/Underground
    Length 105.16M

Comments on development

  • 3 PATENTED, 2 UNPATENTED CLAIMS ( 1957 )

Reference information

Bibliographic references

  • Deposit

    BALLARD, S. M., 1924, GEOLOGY AND GOLD RESOURCES OF BOISE BASIN, BOISE COUNTY, IDAHO,: ID. BUREAU OF MINES AND GEOL., BULL. NO. 9, P. 73

  • Deposit

    ANDERSON, A. L., 1947 , GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO: U. S. GEOLOGICAL SURVEY BULL. 944-C, P. 252 - 253

  • Deposit

    MC DOWELL, G. A., 1958 , 58TH ANN. REPT. OF THE IDAHO MINE INSPECTOR FOR 1957 .

  • Deposit

    1924 GEOLMAP IDAHO BUREAU OF MINES & GEOL. BULL.

General comments

Subject category Comment text
Deposit VEIN CROPS OUT FOR SEVERAL HUNDRED FT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1975 Murphy, Lyn S. U.S. Geological Survey

Beyond USGS

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