Amarillos

Producer in Baja California Sur, Mexico with commodity Gold
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10049293
MRDS ID MX00574
Record type Site
Current site name Amarillos
Alternate or previous names Paredones-Amarillos

Geographic coordinates

Geographic coordinates: -110.06839, 23.66624 (WGS84)
Relative position 70 KM S OF LA PAZ.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Baja California Sur

Comments on the location information

  • ESTIMATED TO WITHIN 15 SECONDS.

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • LEACHING TESTS INDICATED RECOVERIES IN EXCESS OF 75%.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -110.06839, 23.66624

Economic information

Ore body information

  • Depth to bottom 60M

Comments on the geologic information

  • DEPOSIT LIES ALONG CONTACT BETWEEN A LARGE GRANODIORITE BATHOLITH AND ANOTHER LARGE PLUTON OF DIORITE, BOTH OF CRETACEOUS AGE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name San Antonio

Ownership information

  • Type Owner
    Owner Minera Paredones Amarillos

Reserves and resources

  • Type In-situ
    Estimate year 1987
    Total resources 2800000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.36 g/mt Gold Major 1987
  • Type In-situ
    Estimate year 1985
    Total resources 2300000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.4 g/mt Gold Major 1985

Comments on the reserve resource information

  • DRILL-INDICATED OPEN-PIT RESERVES.

Comments on the workings information

  • DEPOSIT AMENABLE TO OPEN-PIT MINING TO DEPTH OF 60 M WITH STRIP RATIO OF 2:1.

Comments on development

  • SCHEDULED START-UP IN 1988. COMPANY PLANS 300,000 TPY HEAP LEACH OPERATION AVERAGING 15,700 OZ AU/YEAR, MINING JOURNAL, 1987.

Reference information

Bibliographic references

  • Deposit

    MINING MAGAZINE, 1985, V. 152, NO. 1, P. 17.

  • Deposit

    MINING MAGAZINE, 1985A, V. 152, NO. 3, P. 209.

  • Deposit

    MINING JOURNAL, 1987, V. 308, P. 185.

  • Reserve-Resource

    MINING JOURNAL, 1987.

General comments

Subject category Comment text
Deposit GOLD DEPOSIT MINEABLE BY OPEN-PIT METHODS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1988 Leonard, Kenneth R. (Page, Norman J.) U.S. Geological Survey

Beyond USGS

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