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U-Pb ages of detrital zircons in Paleogene strata of the Gulf Coast This data release contains 60 detrital zircon age spectra, based on U and Pb isotope ratio measurements for 9399 single grains. The samples are from Paleogene strata of the U.S. Gulf Coast. Of the 9399 single grain measurements, we recommend that 8640 yield ages that are suitable for construction of detrital zircon age spectra. Comments tagged to individual grains explain the reasoning for exclusion of a single grain measurement from age spectra, mostly including high discordance and/or uncertainty. The samples were collected along the strike of the U.S. Gulf Coast basin between western Alabama (the eastern U.S. Gulf Coast) and the Rio Grande river (the southwestern boundary of the U.S. Gulf Coast). The highest... Categories: Data; Tags: Alabama, Arkansas, Energy Resources, Kentucky, Mississippi, All tags... Tennessee, Texas, U.S. Gulf Coast, USGS Science Data Catalog (SDC), basin analysis, detrital zircon geochronology, provenance, sediment routing, sedimentary geology, Fewer tags