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Geological History of the World's Oceanic Crust (NCEI Accession 0304215)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 29, 2026 | Last Modified: 2025-05-14T00:00:00.000+00:00
This dataset contains four companion digital models of the age, age uncertainty, spreading rates and spreading asymmetries of the world's ocean basins as geographic and Mercator grids with two-minute resolution. The grids include data from all the major ocean basins as well as detailed reconstructions of back-arc basins. NCEI decommissioned the Geological History of the World's Oceanic Crust in May 2025 with no further updates. Comments and questions may be sent to: ncei.info@noaa.gov.

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