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Aptos Placer

Producer in Santa Cruz county in California, United States with commodities Iron, Titanium, Metal
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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. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10068356
MRDS ID W001370
Record type Site
Current site name Aptos Placer

Geographic coordinates

Geographic coordinates: -121.9177, 36.98325 (WGS84)

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Soquel(quadrangle 1:24,000 scale)

Monterey(quadrangle 1:100,000 scale)

Monterey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Santa Cruz

Comments on the location information

  • IN THE HEADWATERS OF THE CAPIM RIVER/ACCESSIBLE FROM THE BELEM-BRASILIA HIGHWAY; IN MARANHAO BASIN. LOCATION FOR CENTER OF CAMAGAI CONCESSION.

Commodities

Commodity Importance
Iron Primary
Titanium, Metal Critical Tertiary

Comments on the commodity information

  • INFO GIVEN HERE IS SPECIFICALLY FOR THE PARAGOMINAS AREA WHICH HAS DIFFERENT SECTION THAN THAT FOR LOWER AMAZON DEPOSIT NO. AL-1-BR

Materials information

Materials Type of material
Ilmenite Ore
Magnetite Ore

Analytical data

Result 16% TIO2 AS ILMENITE

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -121.9177, 36.98325
ListMap

Economic information

Comments on the geologic information

  • THE SECTION CONSISTS OF: 1. YELLOW PLASTIC CLAY 0 TO 22 METERS (TOP OF SECTION). 2. FERRUGINOUS AND ALUMINOUS SPHERICAL CONCRETIONS ABOUT 2O CM., 0 TO 2 M THICK. 3. BLOCKY LATERITE (2O CM) IN CLAY MATRIX, 0 TO 4 M THICK. 4. BAUXITE, PINK TO REDDISH WHITE, BLOCKY LESS THAN 2O CM SIZE: HARD GIBBSITE AT TOP SECTION WITH COLUMNAR STRUCTURE 0 TO 4 M THICK. 5. VARIEGATED CLAYS WITH BLOCKY AND COLUMNAR GIBBSITIC BAUXITE AT TOP. 6. CLAY, SILTY, AND SANDY FELDSPATHIC, HIGHLY ALTERED, CROSS BEDDED, 30 TO 40 M. ; MAJOR.UNITS: CLAYS AND SILTS OF CONTINENTAL ORIGIN ; GEOL.DESC: SEE LABEL N30

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Comments on the reserve resource information

  • TOTAL RESERVES, CALCULATED FROM 7 AREAS LISTED UNDER SYNONYMS. ORE(1) MEASURED DRY RESERVE CAMOAI AREA.

Comments on development

  • ECON.COM: DEPOSITS STILL IN EXPLORATION DEVELOPMENT STAGE.

Reference information

Bibliographic references

  • Deposit

    HUBBARD 1943 CAL. JOUR. MI V. 39 P. 35

General comments

Subject category Comment text
Deposit TWO LAYERS BAUXITE OR GIBBSITE IN SECTION MAXIMUM 34 M. DEPTH TO TOP RANGES 0-28 M. DEPTH TO BOTTOM RANGES 28 TO 34 M. AREA OVER AT LEAST 100,000 HECTARES. LIES ON BARREIRAS GROUP, OVERLAIN BY BELTERRA SERIES CLAY.
Deposit SEDIMENTS ON WHICH BAUXITE IS FORMED REPORTED TO BE PROBABLY BARREIRAS FORMATION OF PLIOCENE AGE. NOTE THAT THIS SECTION OF THE LATERITE-BAUXITE OF THE PARAGOMINAS AREA DIFFERS FROM THAT GIVEN FOR THE LOWER AMAZON RIVER VALLEY SECTION(DEPOSIT NO. AL-1-BR)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1973 Force, Eric R. 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.