Brooklyn Group

Occurrence in Wallowa county in Oregon, United States with commodities Copper, Silver, Gold
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. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10033343
MRDS ID M015661
Record type Site
Current site name Brooklyn Group
Alternate or previous names Olympic and Allen, A.P. Carnahan Property

Geographic coordinates

Geographic coordinates: -116.73879, 45.17208 (WGS84)

Site location context

Political divisions (FIPS codes)

Wallowa(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

White Monument(quadrangle 1:24,000 scale)

Riggins(quadrangle 1:100,000 scale)

Grangeville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brownlee Reservoir(hydrologic unit)

Middle Snake-Powder(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Wallowa-Whitman 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 Oregon Wallowa

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 005S 049E 05 SW Oregon

Comments on the location information

  • THE PROSPECT IS IN THE HELLS CANYON NATL. REC. AREA LAND STATUS VALUE CALCULATED 7-94 USING GIS OVERLAY ANALYSIS WITH USFS LAND OWNERSHIP BOUNDARIES, 1:126,720 SCALE.

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Calcite Gangue
Chlorite Gangue
Epidote Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Doyle Creek Formation
    Rock description Doyle Creek Formation

Nearby scientific data

(1) -116.73879, 45.17208

Economic information

Controls for ore emplacement

  • Fracture Or Fault Zones

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1895

Mining district

District name Homestead

Land status

Ownership category National Forest
Area name Wallowa-Whitman National Forest

Workings at the site

  • Type of workings Underground
    Length 457.2M

Reference information

Bibliographic references

  • Deposit

    OREGON METAL MINES HANDBOOK, 1939, ODGMI BULL. 14-A, P. 58

  • Deposit

    GAMMELL, R.M., 1942, OLYMPIC AND ALLEN MINES, WALLOWA COUNTY, OREGON: USBM WAR MINERALS MEMORANDUM, PROJECT 216

  • Deposit

    1942 GEOLMAP USBM, MEMORANDU

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Ferns, Mark L. (Brooks, Howard C.) U.S. Geological Survey
Updater 01-AUG-1993 Gray, Jerry J. Oregon Department of Geology and Mineral Industries

Beyond USGS

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