Archive of Geosample Data and Information from the University of Southern California (USC) Department of Earth Sciences
image of sea floor sample locations
Metadata describing geological samples curated by Earth Sciences Department of the University of Southern California (USC) collected during the period from 1922 to 1981 were coded and contributed by USC to the Index to Marine and Lacustrine Geological Samples (IMLGS) database. Descriptions are for 7,472 cores, grabs, and dredges, most collected in the eastern Pacific Ocean, offshore California, during 390 cruises of the Velero IV, 1 cruise of the Thomas G. Thompson, and 1 cruise of the Agassiz. Please contact the USC Department of Earth Sciences for the current status of the USC collection.
- Cite as: University of Southern California (USC) Department of Earth Sciences. 1977: Archive of Geosample Data and Information from the University of Southern California (USC) Department of Earth Sciences. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V58P5XH8. Accessed [date].
- doi:10.7289/V58P5XH8
- NCEI Metadata ID: gov.noaa.ngdc.mgg.geology:archived-data_USC-sample-repository
gov.noaa.ngdc.mgg.geology:archived-data_USC-sample-repository
Search Data |
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Map viewer (search)
Open an ArcGIS interactive map interface with the USC sample layer active, to search and download data from the IMLGS database and access related links. Switch to the Arctic map for better viewing.
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Linked data interface (search)
Offsite Linked Data interface (RDF graph) for Semantic Web access to the database, offered cooperatively on the Rolling Deck to Repository (R2R) server.
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Open Data ArcGIS interface (search)
Access sample information from the IMLGS using the Open Data ArcGIS interface enabling filtering, sorting, and export in multiple formats
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Download Data |
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Web forms interface (download)
Text interface to search and download data for USC samples from the IMLGS database and access related links.
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Distribution Formats |
- ASCII (Version: UTF-8)
- File Specification: American Standard Code for Information Interchange (ASCII) text format.
- KML
- File Specification: Keyhole Markup Language File
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Ordering Instructions |
Contact NCEI for other distribution options and instructions. |
Distributor |
NOAA National Centers for Environmental Information ncei.info@noaa.gov
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Dataset Point of Contact |
NOAA National Centers for Environmental Information ncei.info@noaa.gov
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Dataset Point of Contact |
Marine Geology Data Manager NOAA National Centers for Environmental Information geology.info@noaa.gov
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Coverage Description |
Global ocean sea floor and lakebeds |
Time Period |
1922-02-08T00:00:00.000Z to 1981-06-12T00:00:00.000Z |
Spatial Reference System |
urn:ogc:def:crs:EPSG:4326 |
Spatial Bounding Box Coordinates |
West: -123.838
East: -106.722
South: 21.317
North: 38.02
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Spatial Coverage Map |
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General Documentation |
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Metadata Landing Page
How to cite this data set (doi:10.7289/V58P5XH8), all access options, and complete documentation.
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Originator's Web page
Documentation about the University of Southern California (USC) Department of Earth Sciences.
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Archived files
Related offline geosample data files in the NCEI long-term archive
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Associated Resources |
- USC Core Repository
- Index to Marine and Lacustrine Geological Samples (IMLGS)
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Parent Database
The parent IMLGS database contains more/related data and information.
- NCEI Marine Geology Data Archive
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Parent Archive
Information about the Marine Geology Data Archive at NCEI.
- NOAA/NCEI Marine Geology WAF
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Publication Dates |
- publication: 1977-12-31
- revision: 1977-12-31
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Data Presentation Form |
Digital table - digital representation of facts or figures systematically displayed, especially in columns
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Dataset Progress Status |
Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
Data Update Frequency |
Not planned - Data are no longer received from the University of Southern California (USC) for the IMLGS database. |
Supplemental Information |
Only geosamples collected prior to 1982 curated by the University of Southern California (USC) sample repository are described in the IMLGS. |
Purpose |
The purpose of adding information describing the USC samples to the IMLGS was to promote new research on existing samples. |
Use Limitations |
- Produced by the NOAA National Centers for Environmental Information. Not subject to copyright protection within the United States.
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Dataset Citation |
- Cite as: University of Southern California (USC) Department of Earth Sciences. 1977: Archive of Geosample Data and Information from the University of Southern California (USC) Department of Earth Sciences. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V58P5XH8. Accessed [date].
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Cited Authors |
- University of Southern California (USC) Department of Earth Sciences
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Originators |
- Dr. Donn Gorsline
University of Southern California, Department of Earth Sciences
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Custodians |
- NOAA National Centers for Environmental Information
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Sponsors |
- University of Southern California (USC)
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Publishers |
- NOAA National Centers for Environmental Information
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Acknowledgments |
- The U.S. National Science Foundation (NSF) provided support for sample collection and research.
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Theme keywords |
Library of Congress Subject Headings
- Databases
- Scientific archives
- Electronic records
- Oceanography
- Ocean bottom
- Geology
- Submarine geology
SeaDataNet Common Vocabularies
USGS Science Topics- Sea-floor characteristics
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Data Center keywords |
Global Change Master Directory (GCMD) Data Center Keywords
- DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
- DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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Platform keywords |
Global Change Master Directory (GCMD) Platform Keywords- In Situ Ocean-based Platforms > Ships
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Instrument keywords |
Global Change Master Directory (GCMD) Instrument Keywords
- In Situ/Laboratory Instruments > Corers > Coring Devices
- In Situ/Laboratory Instruments > Samplers > Dredging Devices
- In Situ/Laboratory Instruments > Samplers > Grabbers/Traps/Collectors > Grab Samplers
- In Situ/Laboratory Instruments > Corers > Sediment Corers
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Place keywords |
Global Change Master Directory (GCMD) Location Keywords
- Geographic Region > Global Ocean
- Vertical Location >Sea Floor
- Ocean > Pacific Ocean
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Project keywords |
Global Change Master Directory (GCMD) Project Keywords
Global Change Master Directory (GCMD) Project Keywords- ICSU-WDS > International Council for Science - World Data System
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Use Constraints |
- Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
- Please consult the Curator before proposing to do research on any sample discovered through the IMLGS or the NCEI archive.
- 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.
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Access Constraints |
- Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
- Sample metadata are available online for free download.
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Other Constraints |
Cite as: University of Southern California (USC) Department of Earth Sciences. 1977: Archive of Geosample Data and Information from the University of Southern California (USC) Department of Earth Sciences. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V58P5XH8. Accessed [date]. |
Fees |
- In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
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Lineage information for: dataset |
Lineage Statement |
Data are no longer contributed by this repository. Incoming data were checked for adherence to controlled vocabularies, illegal data types in numeric fields, and out of range latitudes/longitudes. NCEI performed cursory visual inspection of data for reasonableness, asking the originator for guidance on discrepancies. |
Processor |
- NOAA National Centers for Environmental Information
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Processing Environment |
Native Dataset Environment: database tables. |
Source Datasets |
- University of Southern California (USC) reports and publications
- Description of Source: Additional information about the samples may be contained in related technical reports and/or publications.
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Lineage information for: repository |
Processing Steps |
- 2015-04-22T00:00:00 - NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
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Acquisition Information (collection) |
Instrument |
- In Situ/Laboratory Instruments
- In Situ/Laboratory Instruments
- In Situ/Laboratory Instruments
- In Situ/Laboratory Instruments
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Platform |
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Last Modified: 2020-04-21
For questions about the information on this page, please email:
ncei.info@noaa.gov