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  3. Mineral Resource Data System (MRDS)

Alta

Past Producer in Josephine county in Oregon, United States with commodities Gold, Copper
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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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10042710
MRDS ID M060626
Record type Site
Current site name Alta
Alternate or previous names Oro Fino
Related records 10250108

Geographic coordinates

Geographic coordinates: -123.72422, 42.2026 (WGS84)

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cave Junction(quadrangle 1:24,000 scale)

Grants Pass(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Illinois(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Rogue River-Siskiyou National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Oregon Josephine

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 039S 009W 02 SE Oregon

Comments on the location information

  • SE 1/4

Commodities

Commodity Importance
Gold Primary
Copper Tertiary

Materials information

Materials Type of material
Pyrite Ore
Quartz Gangue

Analytical data

Result A GOOD SAMPLE OF "FRESH ROCK" YIELDED 0.2 OZ. AU/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Rock unit name Josephine Peridotite
    Rock description Josephine Peridotite

Nearby scientific data

(1) -123.72422, 42.2026
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Dike Strikes N40e, Extends 1.5 Miles

Ore body information

  • General form QUARTZ STRINGERS

Comments on the geologic information

  • PORPHYRY DIKE IN SERPENTINE IS MINERALIZED

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Waldo

Land status

Ownership category National Forest
Area name Siskiyou National Forest

Comments on the workings information

  • PITS? & HYDRAULIC

Reference information

Bibliographic references

  • Deposit

    RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45 P

  • Deposit

    OREGON METAL MINES HANDBOOK, 1942, ODGMI BULL. 14-C, VOL. 2, SEC. 1, P. 121

General comments

Subject category Comment text
Deposit ORIGINALLY PLACERED DOWNSLOPE - DEVELOPED 1916

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Johnson, Maureen G. U.S. Geological Survey
Updater 01-FEB-1981 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.

Maps centered on this site