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Chief of the Hills Group

Occurrence in Riverside county in California, United States with commodity Tin
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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. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10077136
MRDS ID W024583
Record type Site
Current site name Chief of the Hills Group
Related records 10164171

Geographic coordinates

Geographic coordinates: -117.29281, 33.67171 (WGS84)
Elevation 549
Relative position E. SIDE OF HIGH POINT ON RIDGE 1 MI. W. OF RAILROAD CANYON DAM, ABOUT 2 AIRLINE MI. E. OF ELSINORE.

Site location context

Political divisions (FIPS codes)

Riverside(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lake Elsinore(quadrangle 1:24,000 scale)

Santa Ana(quadrangle 1:100,000 scale)

Santa Ana(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Jacinto(hydrologic unit)

Santa Ana(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Riverside

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 006S 004W 03,04 California

Comments on the location information

  • LOCATED IN SECTION 3 AND NE 1/4 SECTION 4 , UTM APPROX

Commodities

Commodity Importance
Tin Critical Primary

Materials information

Materials Type of material
Tourmaline Gangue

Analytical data

Result REPORTED ASSAYS 0.30 , 2.21 AND 7.0 PERCENT TIN.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate

Nearby scientific data

(1) -117.29281, 33.67171
ListMap

Economic information

Ore body information

  • Strike N 30 W
    Dip 80E

Comments on the geologic information

  • GEOL.DESC: COUNTRY ROCK IS TRIASSIC SANTA ANA (BEDFORD CANYON) SLATE, QUARTZITE AND METACONGLOMERATE. BEDS STRIKE N. 5 TO 20 W., DIP 80 E. COMB QUARTZ VEINS 2 TO 3 INCHES WIDE ON EDGE OF METACONGLOMERATE BODY, MUCH DISCOLORATION BY IRON, MANGANESE (?) OXIDES. TIN REPORTED TO OCCUR AS REDDISH BROWN CRYSTALS LINING CAVITIES IN MINUTELY CRYSTALLINE TOURMALINE ASSOCIATED WITH 5 FINE-GRAINED GRANITIC DIKES. 5 VEINS STRIKE N 30 W, DIP 80 E.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the workings information

  • SHAFT SUNK 100 FT ON THE DIKES. AT BOTTOM CROSSCUT DRIVEN 20 FT EAST AND 10 FT WEST.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. M. AND G., VOL. 41 , NO. 3 , 1945 , P. 152

  • Deposit

    D.O.M. BULL. 146 , 1959 , P. 126

  • Deposit

    STATE MINERALOGISTS REPT. XXV, P. 496

  • Deposit

    SAMPSON, R.J., AND TUCKER, W.B., 1945, MINERAL RESOURCES OF RIVERSIDE COUNTY; CALIFORNIA DIVISION OF MINES AND GEOLOGY, VOL. 41, NO. 3, P. 152.

General comments

Subject category Comment text
Deposit A BELT OF SLATE, SCHIST, AND FELSITES FORMING A LENSE WITHIN GRANITE. 5 DIKES CUT THE BELT. WITHIN THE DIKES, FINE-GRAINED GRANITE IS REPLACED BY CRYPTOCRYSTALLINE TOURMALINE, REDDISH-BROWN CRYSTALS LINING CAVITITES IN THE TOURMALINE CONTAIN SN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1978 Killman, K.; Albers, J. U.S. Geological Survey
Updater 01-JUL-1993 Unkefer, Jason 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.