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Bacon Group

Prospect in Custer county in Idaho, United States with commodities Silver, Zinc, Copper, Gold, Lead
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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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10070936
MRDS ID W014083
MAS/MILS ID 0160370663
Record type Site
Current site name Bacon Group

Geographic coordinates

Geographic coordinates: -115.05904, 44.60488 (WGS84)
Elevation 2560
Relative position 11 MI S OF MIDDLE FORK GUARD STATION

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Greyhound Mountain(quadrangle 1:24,000 scale)

Pistol Creek(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Middle Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis 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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 015N;015N 011E;012E 25;30 Idaho

Comments on the location information

  • .5 MI FROM RAPID RIVER ROAD, ACROSS AND DOWN RIDGE 1/2 MI FROM END OF SHEEP MOUNTAIN ROAD.

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore
Limonite Gangue
Marcasite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result AVERAGE TENOR OF HIGH-GRADE MATERIAL: 0.26 OZ AU/TON, 9.6 OZ. AG/TON, 0.42% CU, 6.61% PB, 14.49% ZN.
Result 2 SAMPLES CONTAINED 0.29 AND 0.47 OZ AU/TON, 2.1 AND 1.3 OZ AG/TON, 0.01 AND 0.46 % CU, 0.17 AND 0.85 % PB, 0.04 AND 1.02 % ZN
Result 2 SAMPLES CONTAINED 0.29 AND 0.47 OZ AU/TON, 2.1 AND 1.3 OZ AG/TON, 0.01 AND 0.46 % CU, 0.17 AND 0.85 % PB, 0.04 AND 1.02 % ZN

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Yellowjacket Formation-Marble And Limestone
    Rock description Yellowjacket Formation-Marble And Limestone
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -115.05904, 44.60488
ListMap

Economic information

Ore body information

  • Strike N 45 DEG E
    Dip 11 DEG N
    Thickness 0.3M
    Length 6.1M
    Width 0.15M
  • Dip 11 DEG N
    Thickness 3.66M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1946

Mining district

District name Sheep Mountain District

Land status

Ownership category National Forest
Area name Challis National Forest
Ownership category National Primitive Area
Area name Idaho Primitive Area

Ownership information

  • Type Owner
    Owner Mr. Bacon
    Interest 100
    Home office Idaho
    Year 1970

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Indicated 34496mt ore
    Demonstrated 34496mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead 6.61 wt-pct Lead Trace 1973
    Gold 8.9 g/mt Gold Trace 1973
    Zinc 14.49 wt-pct Zinc Trace 1973
    Copper 0.42 wt-pct Copper Trace 1973
    Silver 328.9 g/mt Silver Major 1973

Comments on the workings information

  • 3 ADITS, 3 TRENCHES

Comments on development

  • 2 CLAIMS

Reference information

Bibliographic references

  • Deposit

    CATER, F. W., AND OTHERS, 1973, MINERAL RESOURCES OF THE IDAHO PRIMITIVE AREA AND VICINITY, IDAHO: U. S. GEOLOGICAL SURVEY BULL. 1304, 431 P

  • Deposit

    1973 RECON CATER, F. W., AND OTHERS, BULL. 130

General comments

Subject category Comment text
Deposit GALENA, PYRITE, AND VALUES OF GOLD AND SILVER OCCUR IN QUARTZ VEINS UP TO 15 CENTIMETERS THICK WITHIN SHEAR ZONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1974 Miller, Pat J. U.S. Geological Survey
Reporter 30-OCT-1992 Weldin, Robert U.S. Bureau of Mines

Beyond USGS

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

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