Index to Marine and Lacustrine Geological Samples (IMLGS)

Metadata Updated: February 1, 2017

The Index to Marine and Lacustrine Geological Samples (IMLGS) describes and provides access to ocean floor and lakebed rock and sediment samples curated by participating institutional and government repositories in the U.S., Canada, the United Kingdom, France, and Germany. Material from most samples may be requested from the responsible Curator for scientific research, using contact information provided in IMLGS data listings. Each curatorial facility prepares data on their own collection for the IMLGS. Minimum information includes platform, cruise, sample id, sampling device, and latitude/longitude. Water depth, collection date, storage method, and principal investigator are usually included. Core dimensions and depth to top and bottom of interval is available for many core samples. Descriptions, comments, physiographic province, lithology, texture, mineralogy, other components, glass remarks, weathering information, and geologic age are included for some samples. An International GeoSample Identifiers (IGSN) is included, where known. Links are provided to related data and images at NCEI, partner institutions, and to other sources of information including the System for Earth SAmple Registration (SESAR) and the Rolling Deck to Repository (R2R). The IMLGS includes information about over 207,935 discrete sea floor and lakebed cores, grabs, dredges, and drill holes worldwide, as of December 7, 2015. The database was designed by a group of Curators, in cooperation with NGDC (now NCEI), at a series of meetings sponsored by the U.S. National Science Foundation (NSF) beginning in 1977. The Curators group continues to meet biennially to share best practices and oversee the IMLGS database.

Access & Use Information

Downloads & Resources

Dates

Metadata Date December 31, 2015
Metadata Created Date September 26, 2015
Metadata Updated Date February 1, 2017
Reference Date(s) December 31, 1977 (publication), October 9, 2015 (revision)
Frequency Of Update irregular

Metadata Source

Harvested from NOAA CSW Harvest Source

Graphic Preview

image of sea floor sample locations

Additional Metadata

Resource Type Dataset
Metadata Date December 31, 2015
Metadata Created Date September 26, 2015
Metadata Updated Date February 1, 2017
Reference Date(s) December 31, 1977 (publication), October 9, 2015 (revision)
Responsible Party DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce (Point of Contact)
Contact Email
Access Constraints cite as: Curators of Marine and Lacustrine Geological Samples Consortium: Index to Marine and Lacustrine Geological Samples (IMLGS). NOAA National Centers for Environmental Information. doi:10.7289/V5H41PB8 [access date], Please consult with Curator before proposing to do research on any sample discovered through the IMLGS., Sample metadata and most data/images are available online for free download. Additional, full-resolution images from the offline archive may be available. Contact NCEI for more information., 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.
Bbox East Long 180
Bbox North Lat 90
Bbox South Lat -88.367
Bbox West Long -180
Coupled Resource
Frequency Of Update irregular
Graphic Preview Description image of sea floor sample locations
Graphic Preview File https://www.ngdc.noaa.gov/mgg/image/imlgs_mercator1920.png
Graphic Preview Type PNG
Guid gov.noaa.ngdc.mgg.geology:G00028
Harvest Object Id c35a1d54-fda2-40fa-8576-99259f2295bf
Harvest Source Id 2aed8e29-fc5b-4cde-aa66-fb1118fd705e
Harvest Source Title NOAA CSW Harvest Source
Licence Produced by the NOAA National Centers for Environmental Information. Not subject to copyright protection within the United States.
Metadata Language eng: USA
Metadata Type geospatial
Progress onGoing
Spatial Data Service Type ArcGIS Map Service
Spatial Reference System urn:ogc:def:crs:EPSG:4326
Spatial Harvester True
Temporal Extent Begin 1885-04-01T00:23:00.000Z

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