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White Hope Limestone Deposit

Occurrence in Imperial county in California, United States with commodity Limestone, General
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10023475
MRDS ID I000461
Record type Site
Current site name White Hope Limestone Deposit

Geographic coordinates

Geographic coordinates: -116.00776, 32.70424 (WGS84)

Site location context

Political divisions (FIPS codes)

Imperial(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

In-Ko-Pah Gorge(quadrangle 1:24,000 scale)

El Cajon(quadrangle 1:100,000 scale)

San Diego(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salton Sea(hydrologic accounting unit)

Southern Mojave-Salton Sea(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Imperial

Comments on the location information

  • IN THE JACUMBA WILDERNESS.

Commodities

Commodity Importance
Limestone, General Primary

Materials information

Materials Type of material
Limestone Ore
Graphite Gangue

Analytical data

Result WESTERN LIMESTONE BED (AVG. OF 4 SAMPLES): 0.30% AL2O3, 54.5% CAO, 0.10% FE2O3, 0.76% MGO, <0.02% P2O5, 2.8% SIO2

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -116.00776, 32.70424
ListMap

Economic information

Ore body information

  • Strike N10-35W
    Dip 35-55SW
    Thickness 6.4M
    Length 457.2M

Comments on the geologic information

  • GRANITIC SILL INTRUDE LIMESTONE IN PLACES AND FOLLOW SEGMENTS OF THE BEDS. 2 PARALLEL BEDS OF COARSE-GRAINED WHITE GRAY LIMESTONE CONTAINS SPARSELY DISSEMINATED GRAPHITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Deposit size Small
Significant No

Land status

Ownership category BLM Administrative Area
Area name Jacumba (In-Ko-Pah) Wilderness Study Area

Comments on the reserve resource information

  • THE FIRST FIGURE IS INDICATED LIMESTONE RESOURCE OF THE WESTERN LIMESTONE BED; THE SECOND FIGURE IS THE INFERRED RESOURCES OF THE EASTERN BED.

Comments on the workings information

  • THERE IS ONE SMALL OPENCUT.

Reference information

Bibliographic references

  • Deposit

    TODD, V.R., KILBURN, J.E., DETRA, D.E., GRISCOM, ANDREW, KRUSE, F.A., AND MCHUGH, E.L., 1987, MINERAL RESOURCES OF THE JACUMBA (IN-KO-PAH) WILDERNESS STUDY AREA, IMPERIAL COUNTY, CALIFORNIA: U.S. GEOLOGICAL SURVEY BULLETIN 1711-D, 18 P

  • Other Database

    CIMRI

  • Reserve-Resource

    TODD AND OTHERS, 1987.

General comments

Subject category Comment text
Deposit TWO-PARALLEL BEDS OF CARSE-GRAINED WHITE GRAY LIMESTONE OCCUR ALONG THE FOLIATION IN GNEISSIC TONALITE. ONE BED IS 8-21 FT THICK (AVE. 14 FT) AND IS EXPOSED ALONG STRIKE FOR ABOUT 1500 FT. THE SECOND BED IS FOUND 300 TO 400 FT EAST OF THE FIRST AND IS 20 FT THICK AND EXPOSED FOR 1000 FT ALONG STRIKE. THE LIMESTONE CONTAINS SPARSE DISSEMINATED GRAPHITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1990 Orris, Greta J. U.S. Geological Survey
Updater 01-JUN-1993 Gray, Floyd 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.