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Weight Percentage of Calcium Carbonate for 17 Equatorial Pacific Cores from Brown University

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Weight percentages of calcium carbonate in this file were compiled by J. Farrell and W. L. Prell of Brown University for 17 equatorial Pacific Ocean sediment cores. Cores are identified by cruise and core id. Depth-in-core information and estimates of sediment age, by depth, in millions of years (Ma) are included. Carbonate percentages are weight percent of bulk samples, rounded to the nearest integer. Models used to generate (by linear interpolation) ages also included in table form. Ages are based primarily on paleomagnetic stratigraphy, refined by oxygen isotope stratigraphy, and correlation of CaCO3 events among cores, and range from 0 to 4 million years. Comments on biostratigraphy, delta oxygen 18, calcium carbonate events, and core quality are also included on age model tables. These data are also available for direct ftp download from NGDC's Web server.

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Distribution Formats
  • ASCII
Distributor DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
Point of Contact DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
(303) 497-6339
geology.info@noaa.gov
General Documentation
  • dataset information page
    Web page of information about the database including links to full documentation and free data download from NGDC.
Originator
  • John Farrell
    Brown University
Originator
  • Warren L. Prell
    Brown University
Publisher
  • National Geophysical Data Center, NOAA
Date(s)
  • publication: 1991-12-31
  • revision: 1991-12-31
Edition: First
Data Presentation Form: Digital table - digital representation of facts or figures systematically displayed, especially in columns
Dataset Progress Status Complete
Data Update Frequency: Not planned  -  Completed data set, no additions planned.
Purpose: Paleoceanographic Research
Use Limitations
  • Please cite the originator of the data set, the date downloaded, and the National Geophysical Data Center, NOAA, as the source of the data.
  • Produced by the NOAA National Geophysical Data Center. Not subject to copyright protection within the United States.
Time Period: 1991-12-31  to  1991-12-31
Spatial Reference System: urn:ogc:def:crs:EPSG:4326
Spatial Bounding Box Coordinates:
N: 5.967
S: 0.5
E: -113.85
W: -153.583
Spatial Coverage Map:
Themes
  • Scientific archives
  • Electronic records
  • Oceanography
  • Ocean bottom
  • Geology
  • Submarine geology
  • Marine sediments
  • Marine geology
  • Sea-floor characteristics
  • EARTH SCIENCE > Oceans > Marine Sediments > Sediment Chemistry
  • EARTH SCIENCE > OCEANS > Marine Sediments
  • EARTH SCIENCE > OCEANS > Marine Sediments > Stratigraphic Sequence
  • EARTH SCIENCE > PALEOCLIMATE > Ocean/Lake Records > Isotopes
  • EARTH SCIENCE > PALEOCLIMATE > Ocean/Lake Records > Microfossils
  • EARTH SCIENCE > PALEOCLIMATE > Ocean/Lake Records > Sediments
  • EARTH SCIENCE > PALEOCLIMATE > Ocean/Lake Records > Stratigraphic Sequence
Data Centers
  • WDC/GEOPHYSICS, BOULDER > World Data Center for Geophysics, Boulder
  • DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
Platforms
  • In Situ Ocean-based Platforms > SHIPS
Instruments
  • In Situ/Laboratory Instruments > Corers > CORING DEVICES
  • In Situ/Laboratory Instruments > Corers > SEDIMENT CORERS
Places
  • VERTICAL LOCATION > SEA FLOOR
  • OCEAN > PACIFIC OCEAN
Projects
  • Unknown
Use Constraints
  • While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
Access Constraints
  • Access to this dataset is unrestricted.
Fees
  • free online download
Source Datasets
Lineage Statement Lineage prior to transfer to NGDC is unknown.
Processing Environment Native Dataset Environment: ASCII text

Metadata Last Modified: 2014-05-05

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