Cobachi

Prospect in Sonora, Mexico with commodity Barium-Barite
Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Mineral rights holdings
  11. Ownership information
  12. Workings at the site
  13. Links to other databases
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10279536
MAS/MILS ID 2010490036
Record type Site
Current site name Cobachi
Alternate or previous names Cobachi Barite Deposit

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -110.14504, 28.87132 (WGS84)
Elevation 200
Location accuracy 500(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 Sonora

Commodities

Commodity Importance
Barium-Barite Critical Primary

Materials information

Materials Type of material
Barite Unknown

Nearby scientific data

Ore Body (1) -110.14504, 28.87132

Economic information

Ore body information

  • Strike N33E
    Dip 25S
    Thickness 2M
    Length 2100M
    Width 769M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 STRATIFORM
    Shape of Orebody #2 MASSIVE
    Type of Orebody #3 STRATABOUND
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. UNKNOWN
    Strike And Dip N33E:25S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 850703
  • Area 120HA
    Field Value
    Total Surface Area (HA) 120
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Non-metallic
Significant Yes
Discovery year 1979
Milling method Flotation

Mineral rights holdings

Type of mineral rights Fee Ownership

Ownership information

  • Type Operator
    Owner Minera Bucarit S. A. De C. V.
    Home office Mexico
    Year 1983
  • Type Owner
    Owner Fmc Corp. 200 Randolph Dr. Chicago, Ill. 60601
    Interest 49
    Home office Illinois
    Year 1983
  • Type Owner
    Owner Protexa Industries
    Interest 51
    Home office Mexico
    Year 1983

Comments on the reserve resource information

  • M9C4=M1C1; 90% PROB CAT.= PROVEN RES.; 75% PROB CAT.= PROV + IND. RES. 50% PROB. CAT.= PROB + IND. + PROB. RES.

Workings at the site

  • Type of workings Surface
    Area 3HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 46.8
    Avg. Overburden Thickness 0
    Hardness of Ore M-HARD ROCKS
    Capacity 1066
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 3.11
    Units of Production $/MT ORE
    Operating Days per Year 312
    Operating Shifts per Day 2
    Year of Information 1983

Comments on other economic factors

  • M9C4=M1C1 MATRIX 9, COL. 4 EQUALS MATRIX 1, COL 1 90% PROB CAT.= PROVEN RES.; 75% PROB CAT.= PROV + IND. RES. 50% PROB. CAT.= PROB + IND. + PROB. RES. MINE TO MILL TRANSPORTATION COST INCLUDED IN MINE OP. COSTS. TRANS REC. 111 - CONCENTRATE TRUCKED TO GUAYMAS, MEXICO WHERE TRANSPORTATED TO VARIED MARKETS.
  • DATA SOURCE FOR INFORMATION: COBACHI FOREIGN DEPOSIT REPORT BY BROWN & ROOT DEVELOPMENT, INC. USBM CONTRACT J0225017 APR 5, 1983. MINE DILUTION IS 10% AND MINE RECOVERY IS 90%. INFRASTRUCTURE CAP COST IS ALLOCATED 1/2 TO MINE AND 1/2 TO MILL

Reference information

General comments

Subject category Comment text
Deposit DATA SOURCE FOR INFORMATION: COBACHI FOREIGN DEPOSIT REPORT BY BROWN & ROOT DEVELOPMENT, INC. USBM CONTRACT J0225017 APR 5, 1983. MINE DILUTION IS 10% AND MINE RECOVERY IS 90%.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-SEP-85 Hite, Alan G. U.S. Bureau of Mines

Beyond USGS

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