Please note: Due to scheduled maintenance, many NCEI systems will be unavailable Monday, March 17th, 12:00 PM ET - 2:30 AM ET. We apologize for any inconvenience.
This interactive map provides access to more than 17 terabytes of marine geological analyses, descriptions, metadata, and images of sediment and rock from the NCEI long term archive.
The Index to Marine and Lacustrine Geological Samples (IMLGS) interactive map is a tool to help scientists locate and obtain geologic material from sea floor and lakebed cores, grabs, and dredges archived by participating institutions around the world.