Preston Peak

Occurrence in Siskiyou county in California, United States with commodities Nickel, Platinum, Palladium, Rhodium, Chromium, Iron
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10039345
MRDS ID M046992
Record type Site
Current site name Preston Peak

Geographic coordinates

Geographic coordinates: -123.62171, 41.824 (WGS84)
Elevation 1686
Location accuracy 250(meters)
Relative position APPROX. 1 KM SOUTH OF PRESTON PEAK AND RATTLESNAKE MEADOW, Est Imated Within About 500 Ft

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Preston Peak(quadrangle 1:24,000 scale)

Happy Camp(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Klamath(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Klamath National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Siskiyou Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Siskiyou

Comments on the location information

  • UNSURVEYED. IN KLAMATH NATIONAL FOREST

Commodities

Commodity Importance
Nickel Critical Primary
Platinum Critical Primary
Palladium Critical Primary
Rhodium Critical Primary
Chromium Critical Primary
Iron Tertiary

Materials information

Materials Type of material
Chromite Ore
Pentlandite Ore
Magnesite Gangue
Tremolite Gangue
Talc Unknown

Alteration

  • (Local) Metasomatism Of The Mafic And Ultramafic Rocks During Tectonic Emplacement Of The Ophiolite

Analytical data

Result COMPOSITIONS OF 2 JACKSTRAW TEXTURED TALC-OLIVINE ROCKS, TECTONITIC PERIDOTITE, BURRO MOUNTAIN HARZBURGITE PT= 0.009, 0.010, 0.006, TRACE-0.005
Result PD= 0.011, 0.014, TRACE, TRACE-0.10
Result RH= 0.005, 0.005, 0.005, 0.005. ALL NUMBERS ARE PPM, DATA FROM SNOKE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Bear Mountain Pluton
    Rock description Bear Mountain Pluton
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock

Nearby scientific data

(1) -123.62171, 41.824

Economic information

Geologic structures

Type of structure Local
Structure description Bear Mtn Pluton Shear Zone.

Ore body information

  • General form DISSEMINATED

Controls for ore emplacement

  • Ore Minerals Disseminated Throughout The Ultramafic Rocks

Comments on the geologic information

  • TECTONITIC ALPINE-TYPE ULTRAMAFICS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Forest

Comments on the workings information

  • NO WORKINGS

Reference information

General comments

Subject category Comment text
Deposit POSSIBLE ACOHE-TYPE DEPOSIT OR ALASKAN TYPE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-79 Saso, Jerri L. U.S. Geological Survey
Updater 01-FEB-89 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.