Detailed sequences of radiocarbon dates on lake sediments (e.g. . variety of problems can affect the dating of gyttja (e.g. Olsson, In depth intervals with a high sample .. The 18O records from the GRIP and GISP2 ice cores at the Gre-.
Radiocarbon dating of the sediment was problematic due to a lack of sample sites in the West Eugene Wetlands (and samples from Irish Bend and Woodburn). .. Inherently there are problems with dating bulk sediments. The . 27, 2003, a sample of the gre y clay was collected to be used in a comparison with this study.
Petrie used sequence dating to work back from the earliest historical phases of Egypt the accuracy and detail of frameworks based on historical evidence; in practice, .. Radiocarbon dating has grown exponentially, and many problems and