Ni-Co laterite deposits of the world

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Frequently anticipated questions:


What does this data set describe?

Title: Ni-Co laterite deposits of the world
Abstract:
Location, type, mineralogy, name, tonnage and grade, and geological setting for 120 deposits of this type. The US has no active nickel mines or nickel reserves.
  1. How might this data set be cited?
    Berger, Vladimir I., Singer, Donald A., Bliss, James D., and Moring, Barry C., 2011, Ni-Co laterite deposits of the world: U.S. Geological Survey Open-File Report 2011-1058, U.S. Geological Survey, Menlo Park, California.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -123.43888888888
    East_Bounding_Coordinate: 166.932222222222
    North_Bounding_Coordinate: 59.7138888888889
    South_Bounding_Coordinate: -33.646388888888
  3. What does it look like?
    https://mrdata.usgs.gov/laterite/ofr-2011-1058.png (PNG)
    Distribution of laterite deposits worldwide, (540 x 270 pixels)
  4. Does the data set describe conditions during a particular time period?
    Calendar_Date: 2011
    Currentness_Reference:
    publication date
  5. What is the general form of this data set?
  6. How does the data set represent geographic features?
    1. How are geographic features stored in the data set?
      This is a Point data set. It contains the following vector data types (SDTS terminology):
      • Entity point (120)
    2. What coordinate system is used to represent geographic features?
      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitude and longitude values are specified in decimal degrees. The horizontal datum used is World Geodetic System 1984.
      The ellipsoid used is WGS 84.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.257.
  7. How does the data set describe geographic features?
    main
    Descriptive characteristics of the deposit, including grade and tonnage estimates
    rec_id
    Record ID.

    Numeric record identifier without scientific significance. Integer values. Int of width 4.
    Range of values
    Minimum:1
    Maximum:120
    Resolution:1
    agegrp
    Age group.

    time periods of the laterite-forming weathering processes, and hence, approximate ages of Ni-Co laterite deposits. Textual values of no more than 1 characters.
    ValueDefinition
    aMiocene to present
    bCretaceous to early-mid Tertiary
    cMesozoic
    dep10km
    Associated deposits within 10km.

    Types of mineral deposits within 10km of the laterite deposit. Textual values of no more than 40 characters.
    ValueDefinition
    (no value)Information not available for this record. 70 records have no value for dep10km.
    atmLeach
    Atmospheric leach.

    Ore processing by atmospheric leaching (yes if used at the site). Textual values of no more than 3 characters.
    ValueDefinition
    (no value)The deposit or site does not have this characteristic
    yesThe deposit or site has this characteristic
    caron
    Caron process.

    Ore processing by a Caron process that includes pyro- and hydro-metallurgical processing (yes if used at the site). Textual values of no more than 4 characters.
    ValueDefinition
    yesThe deposit or site has this characteristic
    (no value)Information not available for this record. 110 records have no value for caron.
    cogrd
    Co grade of reserve tonnage.

    Cobalt grade (percent of metal in orer) with respect to reserve tonnage. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 75 records have no value for cogrd.
    Range of values
    Minimum:0
    Maximum:0.25
    Units:percent by weight
    coprgrd
    Co grade of production tonnage.

    Cobalt grade (percent of metal in ore) with respect to produced tonnage. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 104 records have no value for coprgrd.
    Range of values
    Minimum:0
    Maximum:0.142
    Units:percent by weight
    coregrd
    Co grade of resource tonnage.

    Cobalt grade (percent of metal in ore) with respect to resource tonnage. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 24 records have no value for coregrd.
    Range of values
    Minimum:0
    Maximum:0.2
    Units:percent by weight
    cotogrd
    Co grade of total tonnage.

    Cobalt grade (percent of metal in ore) with respect to total tonnage. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 3 records have no value for cotogrd.
    Range of values
    Minimum:0
    Maximum:0.2
    Units:percent by weight
    comments
    Comments.

    Additional comments about the site. Textual values of no more than 812 characters.
    ValueDefinition
    (no value)Information not available for this record. 10 records have no value for comments.
    Unabbreviated textual information
    country
    Country.

    Name of the country in which the site is located. Textual values of no more than 31 characters. Names of countries
    cntrycd
    Country code.

    Abbreviation of the country and state or province in which the site is located. Textual values of no more than 4 characters. Abbreviation combining one or two letters indicating the country and one or two letters indicating the state or province
    deparea
    Deposit area.

    Area of the deposit in square kilometers. Textual values of no more than 18 characters.
    ValueDefinition
    (no value)Information not available for this record. 27 records have no value for deparea.
    deplength
    Deposit length.

    Length of the long axis of the deposit (perpendicular to the short axis in plan view) in kilometers. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 5 records have no value for deplength.
    Range of values
    Minimum:0
    Maximum:28
    Units:kilometers
    depshape
    Deposit shape.

    General shape of the deposit in plan view. Textual values of no more than 83 characters.
    depthick
    Deposit thick.

    Thickness of the nickel and cobalt-bearing laterite ore body in meters Textual values of no more than 15 characters.
    ValueDefinition
    (no value)Information not available for this record. 41 records have no value for depthick.
    depwidth
    Deposit width.

    Width of the deposit (shortest distance between parallel lines that just touch the deposit in plan view) in kilometers. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 5 records have no value for depwidth.
    Range of values
    Minimum:0
    Maximum:14
    Units:kilometers
    discdate
    Discovery date.

    Discovery date of the deposit. Textual values of no more than 11 characters.
    ValueDefinition
    (no value)Information not available for this record. 54 records have no value for discdate.
    feni_smelt
    Fe-Ni smelting.

    Ore processing by smelting of iron and nickel (yes if used at the site). Textual values of no more than 4 characters.
    ValueDefinition
    (no value)The deposit or site does not have this characteristic
    yesThe deposit or site does have this characteristic
    hill
    Hill laterite form.

    Deposit shape fits in the category of hill (yes if applies to the site). Textual values of no more than 3 characters.
    ValueDefinition
    (no value)Information not available for this record. 54 records have no value for hill.
    yesThe deposit or site does have this characteristic
    hpal
    High pressure and temperature acid leach.

    Ore processing by high pressure and temperature acid leaching (yes if used at the site). Textual values of no more than 4 characters.
    ValueDefinition
    (no value)Information not available for this record. 89 records have no value for hpal.
    yesThe deposit or site does have this characteristic
    includes
    Includes.

    Additional deposit or site names referring to parts of the same deposit. Textual values of no more than 50 characters.
    ValueDefinition
    (no value)Information not available for this record. 107 records have no value for includes.
    Unabbreviated names
    karst
    Karst form.

    Subtype of linear shaped deposit, indicating karst processes occurred at the site. Textual values of no more than 3 characters.
    ValueDefinition
    (no value)Information not available for this record. 116 records have no value for karst.
    yesThe deposit or site does have this characteristic
    latthick
    Laterite thickness.

    Total thickness of the laterite mantle, including portions that would not be considered ore material, in meters Textual values of no more than 25 characters.
    ValueDefinition
    (no value)Information not available for this record. 25 records have no value for latthick.
    latitude
    Geographic latitude.

    Geographic latitude in decimal degrees, using WGS84 datum, south latitudes negative. Real numbers stored in double precision.
    Range of values
    Minimum:-33.6463888888889
    Maximum:59.7138888888889
    Units:decimal degrees
    latdeg
    Latitude degrees.

    Degrees of latitude. Integer values. Int of width 3.
    Range of values
    Minimum:-33
    Maximum:59
    Units:degrees
    Resolution:1
    latmin
    Latitude minutes.

    Minutes of latitude. Integer values. Int of width 3.
    Range of values
    Minimum:-58
    Maximum:59
    Units:minutes
    Resolution:1
    latsec
    Latitude seconds.

    Seconds of latitude. Integer values. Int of width 3.
    Range of values
    Minimum:-59
    Maximum:59
    Units:seconds
    Resolution:1
    linear
    Linear laterite form.

    Deposit shape fits category of linear (yes if applies to the site). Textual values of no more than 3 characters.
    longitude
    Geographic longitude.

    Geographic longitude in decimal degrees, using WGS84 datum, west longitudes negative. Real numbers stored in double precision.
    Range of values
    Minimum:-123.438888888889
    Maximum:166.932222222222
    Units:decimal degrees
    londeg
    Longitude degrees.

    Degrees of longitude. Integer values. Int of width 4.
    Range of values
    Minimum:-123
    Maximum:166
    Units:degrees
    Resolution:1
    lonmin
    Longitude minutes.

    Minutes of longitude. Integer values. Int of width 3.
    Range of values
    Minimum:-58
    Maximum:59
    Units:minutes
    Resolution:1
    lonsec
    Longitude seconds.

    Seconds of longitude. Integer values. Int of width 3.
    Range of values
    Minimum:-59
    Maximum:59
    Units:seconds
    Resolution:1
    lowrelief
    Low relief form.

    Subtype of linear shaped deposit, indicating low topographic relief within the deposit area. Textual values of no more than 3 characters.
    ValueDefinition
    (no value)Information not available for this record. 111 records have no value for lowrelief.
    yesThe deposit or site does have this characteristic
    depname
    Name of deposit.

    Primary name by which the deposit or site is known. Textual values of no more than 20 characters. Unabbreviated names
    nicutgrd
    Ni cutoff grade of reserve tonnage.

    Nickel cutoff grade as percent of metal in ore (used for calculation of the grade-tonnage model) with respect to reserve tonnage. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 75 records have no value for nicutgrd.
    Range of values
    Minimum:0
    Maximum:2
    Units:percent by weight
    nigrd
    Ni grade of reserve tonnage.

    Nickel grade as percent of metal in ore, with respect to reserve tonnage. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 75 records have no value for nigrd.
    Range of values
    Minimum:0.66
    Maximum:2.4
    Units:percent by weight
    niprgrd
    Ni grade of production tonnage.

    Nickel grade as percent of metal in ore, with respect to produced tonnage. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 104 records have no value for niprgrd.
    Range of values
    Minimum:1.07
    Maximum:2.5
    Units:percent by weight
    nirecutgrd
    Ni cutoff grade of resource tonnage.

    Nickel cutoff grade as percent of metal in ore (used for calculation of the grade-tonnage model) with respect to resource tonnage. Textual values of no more than 35 characters.
    ValueDefinition
    (no value)Information not available for this record. 85 records have no value for nirecutgrd.
    nitocutgrd
    Ni cutoff grade of total tonnage.

    Nickel cutoff grade as percent of metal in ore (used for calculation of the grade-tonnage model) with respect to total tonnage. Textual values of no more than 35 characters.
    ValueDefinition
    (no value)Information not available for this record. 77 records have no value for nitocutgrd.
    nitogrd
    Ni grade of total tonnage.

    Nickel grade as percent of metal in ore, with respect to total tonnage. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 3 records have no value for nitogrd.
    Range of values
    Minimum:0.61
    Maximum:2.5
    Units:percent by weight
    niregrd
    Ni grade of resource tonnage.

    Nickel grade as percent of metal in ore, with respect to resource tonnage. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 24 records have no value for niregrd.
    Range of values
    Minimum:0.61
    Maximum:12
    Units:percent by weight
    other_rx
    Other bedrock.

    Types of country rocks present both in the deposit and on a regional map. Textual values of no more than 106 characters.
    ValueDefinition
    (no value)Information not available for this record. 8 records have no value for other_rx.
    Rock type names, unabbreviated
    other_name
    Other names.

    Alternative or previously-used names by which the site is known. Textual values of no more than 30 characters.
    ValueDefinition
    (no value)Information not available for this record. 84 records have no value for other_name.
    Names, unabbreviated
    overburden
    Overburden m.

    Thickness of the material lying above the ore body in meters. Textual values of no more than 8 characters.
    ValueDefinition
    (no value)Information not available for this record. 62 records have no value for overburden.
    owneroper
    Owner-Operator.

    Name of the owner, operator, or both. Textual values of no more than 94 characters.
    ValueDefinition
    (no value)Information not available for this record. 13 records have no value for owneroper.
    Names, unabbreviated
    plateau
    Plateau laterite form.

    Deposit shape fits the category of plateau (yes if applies to the site). Textual values of no more than 3 characters.
    ValueDefinition
    (no value)Information not available for this record. 79 records have no value for plateau.
    yesThe deposit or site does have this characteristic
    prodton
    Production tonnage.

    Produced tonnage in millions of metric tons. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 104 records have no value for prodton.
    Range of values
    Minimum:0.62
    Maximum:171
    Units:million metric tons
    nirecovpct
    Ni recovery.

    Percent nickel recovery from produced ore. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 6 records have no value for nirecovpct.
    Range of values
    Minimum:0
    Maximum:98.2
    Units:percent by weight
    reserv_std
    Reserve standard.

    Abbreviation of the standard used to estimate reserve tonnage at the site. Textual values of no more than 47 characters.
    ValueDefinition
    (no value)Information not available for this record. 83 records have no value for reserv_std.
    reserv_ton
    Reserve tonnage.

    Estimated reserve tonnage at the site, in millions of metric tons. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 75 records have no value for reserv_ton.
    Range of values
    Minimum:1.53
    Maximum:310
    Units:million metric tons
    resrc_std
    Resource standard.

    Abbreviation of the standard used to estimate resource tonnage at the site. Textual values of no more than 42 characters.
    ValueDefinition
    (no value)Information not available for this record. 37 records have no value for resrc_std.
    resrc_ton
    Resource tonnage.

    Estimated resource tonnage at the site, in millions of metric tons. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 24 records have no value for resrc_ton.
    Range of values
    Minimum:3
    Maximum:495
    Units:million metric tons
    srctongrd
    Source of tonnage and grade.

    Reference sources from which estimates of tonnage and grade were drawn. Textual values of no more than 130 characters.
    ValueDefinition
    (no value)Information not available for this record. 4 records have no value for srctongrd.
    srcbedrock
    Source bedrock.

    Reference sources from which descriptions of bedrock were drawn. Textual values of no more than 144 characters.
    startdate
    Startup date.

    Year in which mining began. Textual values of no more than 34 characters.
    ValueDefinition
    (no value)Information not available for this record. 45 records have no value for startdate.
    stprov
    State or Province.

    Name of the state or province in which the deposit is located. Textual values of no more than 37 characters.
    ValueDefinition
    (no value)Information not available for this record. 43 records have no value for stprov.
    status
    Status.

    Operational status of the site (producing, past producer, exploration, etc.). Textual values of no more than 60 characters.
    subtype
    Subtype.

    Mineralogical subtype of the deposit. Most sites have characteristics of all subtypes; this field indicates the dominant subtype as well as the others. Textual values of no more than 40 characters.
    tectset
    Tectonic setting.

    Description of the tectonic setting of the site. Textual values of no more than 163 characters.
    tonnage
    Total tonnage.

    Estimated total tonnage in millions of metric tons. Real numbers stored in double precision.
    ValueDefinition
    (no value)Information not available for this record. 3 records have no value for tonnage.
    Range of values
    Minimum:0.62
    Maximum:495
    Units:million metric tons
    ageweather
    Weathering age.

    Estimated age of weathering in which the deposit was formed. Textual values of no more than 59 characters.
    deptype
    Simplified deposit subtype.

    Dominant mineralogical subtype of the deposit, drawn from the subtype field. Textual values of no more than 1 characters.
    ValueDefinition
    1Clay silicate subtype
    2Mg hydrous silicate subtype
    3Fe oxide subtype
    qstatus
    Simplified site status.

    General category of the site status (P = producing or past producer, E = exploration, U = undetermined includes idle). Textual values of no more than 1 characters.
    ValueDefinition
    PProducer or past producer (status text indicates production has occurred)
    EExploration target, prospect, or occurrence (no commercial production is indicated by the status field)
    UProduction unknown--status field indicates "idle"
    minerals
    Nickeliferous minerals reported at the site
    rec_id
    Record ID.

    Record identifier without scientific significance, matches a value in main:rec_id. Integer values. Int of width 4.
    Range of values
    Minimum:1
    Maximum:120
    Resolution:1
    role
    Mineral role.

    Nickeliferous mineral or other mineral associated with the deposit. Textual values of no more than 16 characters.
    ValueDefinition
    nickeliferousMineral containing nickel reported present in the deposit
    otherMineral not containing nickel reported present in the deposit
    value
    Mineral name.

    Name of the mineral. Textual values of no more than 22 characters. Names of minerals not abbreviated
    latrxprof
    Descriptions of the laterite rock profile at the site
    rec_id
    Record ID.

    Record identifier without scientific significance, matches a value in main:rec_id. Integer values. Int of width 4.
    Range of values
    Minimum:1
    Maximum:120
    Resolution:1
    value
    Profile description.

    Descriptions of the laterite rock profile, including grade estimates for nickel and other commodities). Textual values of no more than 289 characters. Laterite profile components with some descriptive information such as nickel or cobalt grade estimates
    ref
    Bibliographic references from which information about the site was drawn
    rec_id
    Record ID.

    Record identifier without scientific significance, matches a value in main:rec_id. Integer values. Int of width 4.
    Range of values
    Minimum:1
    Maximum:120
    Resolution:1
    value
    Reference.

    Text of the bibliographic reference. Textual values of no more than 390 characters. Textual bibliographic reference typically conforming to USGS style
    onlink
    Online linkage.

    Hypertext link to the online source of information. Textual values of no more than 160 characters.
    access_date
    Date accessed.

    Date the online source was accessed for this report. Textual values of no more than 10 characters.

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • Berger, Vladimir I.
    • Singer, Donald A.
    • Bliss, James D.
    • Moring, Barry C.
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
    Vladimir Berger
    U.S. Geological Survey
    345 Middlefield Road, Mail Stop 901
    Menlo Park, CA
    USA

    650-329-5731 (voice)
    vladimir@usgs.gov

Why was the data set created?

This report helps to update a prior Ni laterite mineral deposit model by Singer (1986) for use in quantitative assessments of mineral resources at national and global scales.

How was the data set created?

  1. From what previous works were the data drawn?
    Berger and others (2011) (source 1 of 1)
    Berger, Vladimir I., Singer, Donald A., Bliss, James D., and Moring, Barry C., 2011, Ni-Co laterite deposits of the world-database and grade and tonnage models: Open-File Report 2011-1058, U.S. Geological Survey.

    Online Links:

    Type_of_Source_Media: digital files
    Source_Contribution:
    Data from this report were reformatted and restructured to provide the current data set.
  2. How were the data generated, processed, and modified?
    Date: 09-Jun-2011 (process 1 of 1)
    Rearrangement of data using the OpenDocument spreadsheet, conversion to MySQL and PostgreSQL using custom PHP and Tcl scripts. Person who carried out this activity:
    Peter N Schweitzer
    USGS ER GD
    Geologist
    12201 Sunrise Valley Drive
    Reston, VA
    USA

    703-648-6533 (voice)
    703-648-6252 (FAX)
    pschweitzer@usgs.gov
    Data sources used in this process:
    • Berger and others (2011)
  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?
  2. How accurate are the geographic locations?
  3. How accurate are the heights or depths?
  4. Where are the gaps in the data? What is missing?
  5. How consistent are the relationships among the observations, including topology?

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints: none
Use_Constraints: none
  1. Who distributes the data set? (Distributor 1 of 1)
    Peter N Schweitzer
    USGS ER GD
    Geologist
    12201 Sunrise Valley Drive
    Reston, VA
    USA

    703-648-6533 (voice)
    703-648-6252 (FAX)
    pschweitzer@usgs.gov
  2. What's the catalog number I need to order this data set? USGS Open-File Report 2011-1058
  3. What legal disclaimers am I supposed to read?
    This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 07-Mar-2018
Metadata author:
Peter N Schweitzer
USGS Eastern Mineral and Environmental Resources Science Center
Geologist
12201 Sunrise Valley Drive
Reston, VA
USA

703-648-6533 (voice)
703-648-6252 (FAX)
pschweitzer@usgs.gov
Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

This page is <https://mrdata.usgs.gov/metadata/ofr-2011-1058.faq.html>
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