1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Ivanhoe Group

Past Producer in Siskiyou county in California, United States with commodity Mercury
Map
XML
JSON
KML
C
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. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10040649
MRDS ID M055503
Record type Site
Current site name Ivanhoe Group
Alternate or previous names Cowgill Mine, Mt. Shasta Cinnabar Mine

Geographic coordinates

Geographic coordinates: -122.87919, 41.96039 (WGS84)
Elevation 1097
Relative position ; 3 MI S OF CALIF-ORE STATE LINE

Site location context

Political divisions (FIPS codes)

Siskiyou(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Condrey Mountain(quadrangle 1:24,000 scale)

Yreka(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper 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)

Geographic areas

Country State County
United States California Siskiyou

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 048N 009W 34 California

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Analytical data

Result ASSAY SHOWED 9.6 LB/TON

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist

Nearby scientific data

(1) -122.87919, 41.96039
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone

Ore body information

  • General form BLANKET//TABULAR

Economic information about the deposit and operations

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

Mining district

District name Klamath River

Comments on the production information

  • HOLMES

Reference information

Bibliographic references

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES

  • Deposit

    HOLMES, G. H., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252.

  • Deposit

    BRADLEY, W. W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CDMG BULL. 78.

  • Production

    HOLMES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1975 Gassaway, J. S. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative California resources

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