Robuta

https://www.usgs.gov/publications/evaluation-uranium-series-dating-fossil-echinoids-southern-california-pleistocene An evaluation of uranium-series dating of fossil echinoids from southern California Pleistocene... Fossil sea urchins (Strongylocentrotus) from Pleistocene marine terraces on the southern California Channel Islands have been dated by the uranium-series... uranium series dating https://www.usgs.gov/publications/natural-radioactive-disequilibrium-uranium-series Natural radioactive disequilibrium of the uranium series | U.S. Geological Survey No abstract available. of theuranium seriesnaturalradioactivedisequilibrium https://www.usgs.gov/publications/cosmogenic-nuclide-and-uranium-series-dating-old-high-shorelines-western-great-basin Cosmogenic nuclide and uranium-series dating of old, high shorelines in the western Great Basin,... Closed-basin pluvial lakes are sensitive recorders of effective moisture, and they provide a terrestrial signal of climate change that can be compared to...