Radiocarbon dating holocene
The mosaic picture of woodland and wetland, which covered this landscape during the Upper Holocene, contrasts with the present day monotonous open lowland.Sediments of the peat bog provide information on the origin and vegetation evolution of this area.Analyses of different components of the sediments show that total organic carbon ages are largely unreliable, because much of the carbon (including coal) has been transported to the bay from upstream sources and is older than sediments in which it was deposited.Mollusk shells (clams, oysters) and foraminifera appear to give reliable results, although reworking and burrowing are potential problems.Prices in € represent the retail prices valid in Germany (unless otherwise indicated). Prices do not include postage and handling if applicable. The paper reports the results of a palynological study of a newly exposed section in the peat sediments of Bezděkov site and its correlation with the previous palaeobotanical studies.The main goal was to elucidate the stratigraphic position and paleogeographic development of fossil peat bog and its environment in the Protected Landscape Area Žďárské vrchy and Železné hory in the Bohemian-Moravian Uplands.Only three models fit to Glu D/L contributed to the final averaged age model.Modeled ages ranged from 14 to 5496 years, and the median 95% confidence interval for the 54 AAR ages was ±29% of the modelled age.
Here we demonstrate the applicability of AAR geochronology for dating Holocene Peronella peronii (Echinodermata: Echinoidea) collected from Sydney Harbour (Australia).This content is available through Read Online (Free) program, which relies on page scans.Since scans are not currently available to screen readers, please contact JSTOR User Support for access. In Chesapeake Bay, we obtained sediment cores as much as 20 m in length and used numerous radiocarbon ages measured by accelarator mass spectrometry methods to provide the first detailed chronologies of Holocene sediment accumulation in the bay.Carbon in these sediments is a complex mixture of materials from a variety of sources.