Arroyos Azules

Past Producer in Zacatecas, Mexico with commodities Copper, Gold, Silver
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  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. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10304273
MAS/MILS ID 2010610058
Record type Site
Current site name Arroyos Azules
Alternate or previous names Concepcion Del Oro

Comments on the site names

  • OTHER NAMES: LA COLORADA (MACOCOZAC OPERATIONS)

Geographic coordinates

Point of reference Claim
Geographic coordinates: -101.43929, 24.58791 (WGS84)
Elevation 1750
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Zacatecas

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary

Materials information

Materials Type of material
Bornite Unknown
Chalcopyrite Unknown
Epidote Unknown
Garnet Unknown
Magnetite Unknown
Pyrite Unknown
Pyrrhotite Unknown
Quartz Unknown

Nearby scientific data

Claim (1) -101.43929, 24.58791

Economic information

Ore body information

  • Thickness 200M
    Length 300M
    Width 100M
    Depth to top 100M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 PIPELIKE
    Type of Orebody #2 BRECCIA FILL
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 810728

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1650
Mining method Caving Methods - Sublevel Caving
Year of first production 1955
Milling method Flotation

Mining district

District name Concepcion Del Oro

Ownership information

  • Type Owner-Operator
    Owner Compania Minera Macocozac,S. A.
    Interest 100
    Home office Mexico
    Year 1981

Comments on the ownership information

  • ARROYOS AZULES CLAIMS ARE CONTROLLED BY COMPANIA MINERA MACOCOZAC,S.A. WHICH IS 100% CONTROLLED BY THE COMISION DE FOMENTO MINERO., A MEXICAN GOV. MINING AGENCY.

Reserves and resources

  • Type In-situ
    Estimate year 0
    Demonstrated 8400000mt ore
    Total resources 8400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1 g/mt Gold Minor 0
    Copper Cu 1.57 wt-pct Copper Major 0
    Silver Ag 20 g/mt Silver Minor 0

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Percent Waste Rock 68
    Avg. Overburden Thickness 10
    Avg. Bench Height (meters) 10
    Max. Pit Slope (degrees) 45
    Capacity 1000
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 1000
    Unit Production Cost 5.24
    Units of Production $/MT ORE
    Operating Days per Year 330
    Operating Shifts per Day 2
    Year of Information 1980
  • Type of workings Underground
    Overall depth 400M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method SUBLEVEL CAVING 10-75
    Percent Waste Rock 0
    Percent Recovery 100
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    1st Condition of Workings OPEN
    Capacity 1000
    Capacity Units MT ORE/DAY
    Unit Production Cost 5.25
    Units of Production $/MT ORE
    Operating Days per Year 330
    Operating Shifts per Day 2
    Year of Information 1980
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method SUBLEVEL CAVING 10-75
    Percent Waste Rock 0
    Percent Recovery 100
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    1st Condition of Workings OPEN
    Capacity 2000
    Capacity Units MT ORE/DAY
    Unit Production Cost 5.25
    Units of Production $/MT ORE
    Operating Days per Year 330
    Operating Shifts per Day 2
    Year of Information 1980

Reference information

Bibliographic references

  • Reference

    CONFIDENTIAL REPORT.

  • Deposit

    MAPES-VASQUES,E., 1964 GEOLOGIA YACIMENTOS MONEVATED DE LOS

  • Deposit

    DISTRITOS DE CONCEPCION DEL ORO Y ARATOS , ZACATECAS;COSEJO

  • Deposit

    DE RECURSOS MINERALES NO-REMOVABLES

  • Deposit

    PUB.10E, P.135.

General comments

Subject category Comment text
Deposit THE MINING DISTRICT OF CONCEPCION DEL ORO IS ABOUT 250KM NE OF THE STATE CAPITAL OF ZACATECAS. ACCORDING TO THE FOMENTO MINERO, THE PLAN IS FOR THE CONCENTRATOR TO BE IN PRODUCTION BY OCT. 1980 WITH A 3000 MT PER DAY CAPACITY. HOWEVER, THIS STUDY ASSUMES THAT FIRST . PRODUCTION WILL NOT OCCUR UNTIL JAN. 1982,AND THAT CAPACIT WILL NOT BE MORE THAN 2,000.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-JAN-95 Porter, Kenneth E. U.S. Bureau of Mines

Beyond USGS

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