Marine Geology Data and Information Viewer

The Marine Geology Data Viewer is an interactive map providing access to seafloor and lakebed sediment and rock data archived by NOAA’s National Geophysical Data Center. Layers available on the interactive map: Marine Geology Data Sets & Reports; Index to Marine & Lacustrine Geological Samples; NOS Seabed Descriptions. For more information about marine geologic data at NGDC, please see