Filters: Tags: San Diego (X) > partyWithName: U.S. Geological Survey (X) > partyWithName: Core Science Systems (X)

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U-series isotope data used to date a 130,000-year-old archaeological site in southern California, U.S.A. This dataset includes tables with physical information and isotopic data that are used to calculate uranium-series ages (230Th/U method) and initial 234U/238U activity ratios on a suite of mastodon bones from the Cerutti Mastodon site near San Diego, CA area. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Paradise Hills, San Diego, San Diego County, USGS Science Data Catalog (SDC), All tags... archaeology, fossils, geochronology, isotopic analysis, radiometric dating, Fewer tags