Decker-Hortenstine Prospect

Prospect in Elmore county in Idaho, United States with commodities Molybdenum, Gold, Silver, Beryllium, Copper, 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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Mineral rights holdings
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10070661
MRDS ID W013686
MAS/MILS ID 0160390707
Record type Site
Current site name Decker-Hortenstine Prospect
Alternate or previous names Deckard's Mine, Moly Claim Group

Geographic coordinates

Geographic coordinates: -115.47014, 43.66158 (WGS84)
Elevation 2134
Relative position 40 MI. EAST OF BOISE, ID.

Site location context

Political divisions (FIPS codes)

Elmore(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Little Trinity Lake(quadrangle 1:24,000 scale)

Idaho City(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North and Middle Forks Boise(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 Elmore

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 004N 008E 23 C Idaho

Comments on the location information

  • 2 Mi. Upstream From The Rinebold Prospect On The Roaring River

Commodities

Commodity Importance
Molybdenum Primary
Gold Secondary
Silver Secondary
Beryllium Critical Tertiary
Copper Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Gold Ore
Marmatite Ore
Molybdenite Ore
Silver Ore
Feldspar Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result IN THE WEST LODE, ASSAYS WERE $20 AU/TON AND 8 OZ. AG/TON
Result GRAB SAMPLE CONTAINED 5.9% BE

Host and associated rocks

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

Nearby scientific data

(1) -115.47014, 43.66158

Economic information

Ore body information

  • General form TABULAR, BANDS

Controls for ore emplacement

  • Fracture

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1920
Discoverer William Decker, Roy Hortenstine

Mining district

District name Roaring River District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest
Area name Boise National Forest

Ownership information

  • Type Owner
    Owner William Decker, Roy Hortenstine

Comments on the workings information

  • Shallow Cuts And Pits, One Short Prospect Tunnel

Comments on development

  • 2 Claims

Reference information

Bibliographic references

  • Deposit

    Schrader, F. C., 1925, Molybdenite In The Rocky Bar District, Idaho In Contributions To Econ. Geol., 1923 - 1924: USGS Bulletin 750, P. 87 - 99.

  • Deposit

    King, R. V., 1964, Mineral Resources - Molybdenum, In Mineral And Water Resources Of Idaho: Idaho Bureau Of Mines And Geology Spec. Rept. No. 1, P. 137.

  • Deposit

    1925 Other F. C. Schrader, Bulletin 750

  • Deposit

    1964 Compile Idaho Bureau Of Mines And Geology Spec. Rept. 1

  • Deposit

    U.S. Bureau Of Mines Open-File Report MLA 10-91, 1991, P. 7.

  • Deposit

    Ballard, S.M., 1928, Geol. & Ore Deposits Of Rocky Bar Quad: Idaho Bureau Of Mining & Geology Pamphlet 2

General comments

Subject category Comment text
Deposit Deposits Occur Mainly In Two Mineralized Bands Or Lodes, About 500 Ft Apart

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1974 King, Robert U. U.S. Geological Survey
Reporter 01-JUL-1976 Everett, Sandra E. (Miller, Pat) U.S. Geological Survey
Reporter 30-OCT-1991 Benjamin U.S. Bureau of Mines

Beyond USGS

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