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Uruachic

Past Producer in Chihuahua, Mexico with commodities Silver, Gold, 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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10049476
MRDS ID MX02182
Record type Site
Current site name Uruachic
Alternate or previous names Mines: El Alacran, Las Animas, Santa Rosa, Nueva Union Restauradora

Geographic coordinates

Geographic coordinates: -108.21726, 27.86693 (WGS84)
Elevation 1000
Location accuracy 5000(meters)
Relative position SEVERAL SMALL MINES ON INDIVIDUAL VEINS IN THE VICINITY OF URUACHIC. 27 KM SW OF GRIJALVA MINE AREA.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Chihuahua

Comments on the location information

  • ESTIMATED TO NEAREST 1 MINUTE. PRINCIPLE MINES LOCATED NE OF CITY CENTER, PRINCIPALLY CONCENTRATED IN THE LCRET-ETERT INTERMEDIATE VOLC. THE MINES ARE 35-40 KM SSE OF OCAMPO.

Commodities

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

Materials information

Materials Type of material
Argentite Ore
Chalcopyrite Ore
Galena Ore
Gold Ore
Silver Ore
Sphalerite Ore
Stephanite Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Propylitic

Analytical data

Result HIGH GRADE SELECTED ORE: 11.34-17.01 KG/TON AG
Result "SECOND CLASS" ORE: 2.83-5.67 KG/TON AG
Result ORE AT LAS ANIMAS RAN: 5.67-7.08 KG/TON AG.

Mineral occurrence model information

Model code 106
USGS model code 25b
Deposit model name Epithermal vein, Creede
Mark3 model number 58

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -108.21726, 27.86693
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Abundant N-S Trending Lineaments Possibly Fault Controlled Structures

Ore body information

  • General form VEINS

Controls for ore emplacement

  • Fracture Controlled

Comments on the geologic information

  • AMBIENT GEOLOGY: PORPHYRITIC ANDESITES, FRACTURED AND ALTERED BY DIABASE INTRUSIVES, AND OVERLAIN BY RHYOLITES AND RHYOLITIC TUFFS. BASEMENT LITHOLOGY: PRE-TERTIARY LIMESTONE AND QUARTZITE. VOLC. MAPPED OLIGO-MIO ON THE 1:250,000 GEOLOGIC QUADRANGLE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Uruachic District/ Uruachic Town Area

Production statistics

  • Year 1930
    Period 1929-1930
    Material ?
    Description Cp_Grade: ^32.0 G/T Au, 1357.0 G/T Ag, 0.15% Cu, 1.6% Pb, 0.2% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 1357g/mt
    Gold Gold 32g/mt
    Major Lead Lead 2wt-pct
    Minor Copper Copper 0wt-pct
    Minor Zinc Zinc 0wt-pct
  • Year 1930
    Period 1929-1930
    Material ORE AG
    Accuracy Accurate
    Description Cp_Grade: ^17.5 G/Ton Ag, 5.6 G/Ton Au, 5.3% Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 18g/mt
    Gold Gold 6g/mt
    Major Lead Lead 5wt-pct

Comments on the production information

  • ITEM 1> 1929-1930 TONNAGE FOR NUEVA UNION; ITEM 2> TOTAL PROD. FROM SANTA ROSA ORE BODY; ITEMS 3-6> METALS RECOVERED FROM ORE LISTED IN ITEM 1.

Workings at the site

  • Type of workings Underground
    Overall depth 300M

Comments on the workings information

  • EL ALACRAN: 200 M SHAFT. LAS ANIMAS: WORKINGS OVER 300 M DEEP. WORKINGS UNDERGROUND FOLLOW THE VEINS

Reference information

Bibliographic references

  • Deposit

    GUILD, P.W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: U.S. GEOLOGICAL SURVEY CIRCULAR 858-A AND -B.

  • Deposit

    GONZALEZ R., J., 1956, MEMORIA GEOLOGICO-MINERA DEL ESTADO DE CHIHUAHUA: CONGRESO GEOLOGICO INTERNACIONAL, XX, DURANGO, MEXICO, 1956, P. 91-93.

  • Deposit

    COX, D.P., AND SINGER, D.A., 1986, MINERAL DEPOSIT MODELS: USGS BULLETIN 1693, 379 P.

  • Deposit

    MOSIER, D.L., MENZIE, W.D., AND KLEINHAMPL, F.J., 1986, GEOLOGIC AND GRADE-TONNAGE INFORMATION ON TERTIARY EPITHERMAL PRECIOUS- AND BASE-METAL VEIN DISTRICTS ASSOCIATED WITH VOLCANIC ROCKS: USGS BULLETIN 1666, 39 P.

  • Deposit

    SOCIEDAD GEOLOGICA MEXICANA A.C., 1985, PLANO GEOLOLGICO MINERO DE CHIHUAHUA, MEXICO: CONSEJO DE RECURSOS MINERALES AND FEDERAL GOVERNEMNT OF MEXICO D.F., 1 SHEET, SCALE 1:500,000

  • Production

    GONZALEZ, 1956; MOSIER, ET.AL., 1986 (ITEM 7).

General comments

Subject category Comment text
Deposit EL ALACRAN: AG-VEINS IN FRACTURES CUTTING DIABASES AND PROPYLITIZED ANDESITES. ARGENTITE, STEPHANITE, ARG. TETRAHEDRITE, NATIVE AG, GALENA, AND SPHALERITE IN QUARTZ-CALCITE-PYRITE GANGUE. MAIN VEINS NAMED VETA NEGRA AND VETA BLANCA DUE TO COLOR OF ORE. LAS ANIMAS: AG-BEARING VEIN IN ANDESITE. ARGENTITE AND ARG. TETRAHEDRITE ASSOCIATED WITH LARGE AMOUNTS OF SPHALERITE AND GOOD GOLD VALUES. SANTA ROSA: BONANZA-TYPE ORE BODY. 1,500,000 OZ OF AG TAKEN FROM ORE BODY ONLY 50 FT LONG. NUEVA UNION: (AKA RESTAURADORA) SIMILAR TO EL ALACRAN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-88 Leonard, Kenneth R. (Page, Norman J.) U.S. Geological Survey
Updater 01-MAR-88 Leonard, Kenneth R. U.S. Geological Survey
Updater 01-AUG-91 Kibbe, R.D. (Staude, J-M.G.) 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