1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Main Pass Block 299

Producer in Plaquemines county in Louisiana, United States with commodity Sulfur
Map
XML
JSON
KML
B
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. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10145395
MAS/MILS ID 0220750013
Record type Site
Current site name Main Pass Block 299

Geographic coordinates

Point of reference Plant
Geographic coordinates: -88.77445, 29.26086 (WGS84)
Elevation 0
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Plaquemines(county)

Louisiana(state)

United States(country)

USGS map quadrangles

Breton Sound(quadrangle 1:250,000 scale)

Geographic areas

Country State County
United States Louisiana Plaquemines

Commodities

Commodity Importance
Sulfur Primary

Materials information

Materials Type of material
Anhydrite Unknown
Calcite Unknown
Gypsum Unknown
Halite Unknown
Sulfur Unknown

Nearby scientific data

Plant (1) -88.77445, 29.26086
ListMap

Economic information

Ore body information

  • Thickness 350M
    Length 700M
    Width 700M
    Area 1845HA
    Depth to top 516M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 OTHER
    Shape of Orebody #1 DOMELIKE
    Type of Orebody #2 SEDIMENTARY
    Primary mode of Origin OTHER
    Secondary mode of Origin SEDIMENTATION
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 458
    Avg. Thick. Unconsol. Mat. 41
    Min. Thick. Unconsol. Mat. 12
    Total Surface Area (HA) 1845
    Date of Last Modification 960624

Economic information about the deposit and operations

Operation type Offshore
Development status Producer
Commodity type Non-metallic
Significant Yes
Discovery year 1988
Mining method Auger Mining - Frasch Process
Year of first production 1993

Mining district

District name None

Mineral rights holdings

Type of mineral rights Federal Lease

Land status

Ownership category State Offshore

Ownership information

  • Type Owner-Operator
    Owner Fmrp (Freeport Mcmoran Resource Partners)
    Interest 58.3
    Home office Louisiana
    Year 1994
    First year 1990
    Last year 1995
  • Type Owner
    Owner Imc Fertilizer Group, Inc.
    Interest 25
    Home office Louisiana
    Year 1994
    First year 1994
    Last year 1994
  • Type Owner
    Owner Homestake Sulphur Co.
    Interest 16.7
    Home office California
    Year 1994
    First year 1994
    Last year 1994

Production statistics

  • Year 1993
    Description Native Sulfur 705514 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Sulfur Sulfur 705514mt
  • Year 1994
    Accuracy Estimate
    Description Estimate Prod. 2032094 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Sulfur Sulfur 2032094mt
  • Year 1995
    Accuracy Estimate
    Description Estimate Prod. 2032094 Mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Sulfur Sulfur 2032094mt

Reserves and resources

  • Type In-situ
    Estimate year 1994
    Measured 67300000mt ore
    Demonstrated 67300000mt ore
    Total resources 67300000mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 99.8 wt-pct Sulfur Major 1994
  • Type In-situ
    Estimate year 1995
    Measured 67059095mt ore
    Demonstrated 67059095mt ore
    Total resources 67059095mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 99.8 wt-pct Sulfur Major 1995

Comments on the reserve resource information

  • NEW DOMESTIC FRASCH SULFUR OPERATION. LARGEST NATIVE SULFUR DEPOSIT IN NORTH AMERICA.

Workings at the site

  • Type of workings Water
    Area 184426900HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method DEEP OCEAN MINING
    Percent Waste Rock 0
    Percent Recovery 100
    Primary type of Cover LOOSE CLAY SILT AND SAND
    Secondary type of Cover COMPACTED CLAY SILT SAND
    Hardness of ore HARD ROCKS
    Avg. Overburden Thickness 41
    Dist. to Port Facilities 114
    Capacity 5588
    Capacity Units MT ORE/DAY
    Unit Production Cost 52.73
    Units of Production $/MT ORE
    Operating Days per Year 365
    Operating Shifts per Day 2
    Operating Hours per Day 24
    Year of Information 1990

Reference information

Bibliographic references

  • Reserve-Resource

    FREEPORT MCMORAN SEC FORM 10-K REPT, 12/31/93, P. 7.

  • Reserve-Resource

    RANDOL MINING DIREC., 1994/95.

  • Deposit

    BECKER, GERALD, (V.P. OPERATIONS, FREEPORT SULPHUR CO.,

  • Deposit

    NEW ORLEANS, LA). PERSONAL COMMUNICATION WITH AUTHOR DURING

  • Deposit

    OFFICE VISIT ON MAY 2, 1990.

  • Deposit

    FREEPORT-MCMORAN 1990 ANNUAL REPORT, PP. 16-17.

  • Deposit

    SULPHUR: ALLY OF AGRICULTURE AND INDUSTRY, FREEPORT SULPHUR

  • Deposit

    COMPANY, PP. 6-7.

Reporter information

Type Date Name Affiliation Comment
Reporter 07-OCT-96 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site