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  3. Mineral Resource Data System (MRDS)

La Colorada

Producer in Sonora, Mexico with commodities Gold, Silver, Lead, Zinc, Copper
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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. Mining district
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10048961
MRDS ID MX00149
Record type Site
Current site name La Colorada
Alternate or previous names La Colorada Norte, La Colorada Sur
Related records 10183947

Geographic coordinates

Geographic coordinates: -110.57148, 28.798 (WGS84)
Relative position IN THE TOWN OF LA COLORADA, 50 KM SE OF HERMOSILLO, MX.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Sonora

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Zinc Critical Secondary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Sphalerite Ore

Host and associated rocks

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

Nearby scientific data

(1) -110.57148, 28.798
ListMap

Economic information

Ore body information

  • Strike 1>N 60 E, 2>N 85 E
    Dip 1>45 NW, 2>48 NW
    Length 200M
    Width 10M

Comments on the geologic information

  • THE ORE-BEARING VEINS IN QUARTZITE AND ANDESITES ARE 10 M WIDE; UNLIKE MOST VEINS IN SONORA (WHICH ARE GENERALLY LESS THAN 2 M WIDE). NEARBY TRIASSIC TO JURASSIC QUARTZITES, SHALES, AND LIMESTONES. COUNTRY ROCK (INDICATED BY MAP SYMBOL AND LEGEND): LARAMIDE-AGE ANDESITE UNIT.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name La Colorada

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Total resources 12000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.7 g/mt Gold Major 1985
    Silver Ag 90 g/mt Silver Major 1985

Reference information

Bibliographic references

  • Deposit

    PEREZ SEGURA, EFREN, 1985, CARTA METALOGENETICA DE SONORA 1:250000 UNA INTERPRETACION DE LA METALOGENIA DE SONORA: UNIV. OF SONORA, DEPT. OF GEOL., HERMOSILLO, MEXICO, 66 P

General comments

Subject category Comment text
Deposit ENE TRENDING AU-AG VEINS. VEINS OCCUR IN ANDESITES-DIORITES OF LARAMIDE AGE WHICH ARE ASSOCIATED WITH BARRANCA FORMATION SEDIMENTS. VEINS ARE 10 M WIDE AND OVER 200 M LONG. LA COLORADA NORTE: VEIN 234 M LONG AND 1.8 - 9.0 M WIDE CONTAINS GOLD, GALENA, PYRITE, AND CHALCOPYRITE. ATTITUDE- N 60 E, 45 NW. LA COLORADA SUR: VEIN CONTAINING GOLD, GALENA, PYRITE, SPHALERITE, AND CHALCOPYRITE. ATTITUDE- N 85 E, 48 NW. HOST ROCK FOR BOTH VEINS LISTED AS LATE CRETACEOUS TO MID-TERTIARY QUARTZ PORPHYRY AND DIORITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1987 Staude, John-Mark G. (Page, Norman J.) U.S. Geological Survey
Updater 01-DEC-1987 Leonard, Kenneth R. U.S. Geological Survey

Beyond USGS

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

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