Beck

Occurrence in San Bernardino county in California, United States with commodity Iron

Geologic information

Identification information

Deposit ID 10036214
MRDS ID M024282
Record type Site
Current site name Beck
Alternate or previous names Iron Gossan, Kingston Range
Related records 10262700, 10281179

Geographic coordinates

Geographic coordinates: -115.8417, 35.7872 (WGS84)
Relative position NEAR BECK SPRING, ABOUT 20 MILES EAST. SE OF TECOPA
(click for info)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 021N 010E 07,08 California

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore
Magnetite Ore
Pyrite Gangue

Analytical data

Result AVG. 60% FE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -115.8417, 35.7872

Geologic structures

Type of structure Local
Structure description Thrust Fault

Ore body information

  • General form LENTICULAR
    Strike NW
    Dip NEAR VERTICAL
    Depth to bottom 182.88M
    Width 30.48M
    Length 344.42M

Comments on the geologic information

  • THE LIMESTONE AND DIABASE SILL LIE IN THE MIDDLE OR UPPER PART OF THE CRYSTAL SPRING FORMATION. A DRILLING PROJECT BY PACIFIC COKE AND COAL CO., IN 1924 SHOWED A MAJOR, LOW-ANGLE THRUST FAULT BENEATH THE BECK SPRING AREA WHICH ARUNCATES STEEPLY DIPPING CRYSTAL SPRING UNITS. THIS FAULT LIMITS THE DOWNWARD EXTENT OF THE IRON GOSSAN NO. 5.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Owner
    Owner D. E. Mclaughlin (Estate)

Workings at the site

  • Type of workings Underground
    Length 111.25M
    Overall depth 19.81M

Comments on the workings information

  • 300 FT. DRIFT ON IRON GOSSAN NO. 5 AND A 65 FT. SHAFT.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M024282

Bibliographic references

  • Deposit

    HEWETT, D.F., 1948; IRON DEPOSITS OF KINGSTON RANGE, SAN BERNARDINO, CA.; DIV. OF MINES BULL. 129, P. 195-206

General comments

Subject category Comment text
Deposit IRON GOSSAN NO. 1, 2 AND 5; THEY HAVE EXPOSED LENGTHS OF 430,1130 AND 1,070 FT. RESPECTIVELY FROM SE TO NW. THEIR WIDTH ARE FROM 50 TO 100 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1980 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey