Radiometric Dating



Radiocarbon Dating

The objective of this Lab radiometric dating climate change to provide prompt, accurate and precise radiocarbon 14 C accelerator mass spectrometry AMS analyses on a wide variety of geologic materials in support of Climate and Land Use Change research. Support also is provided to other USGS mission areas as resources permit. Radiometric dating climate change selection and analysis is carried out in close contact with project scientists. Established analytical procedures for radiocarbon compare dating sites ireland are carefully applied to every radiometeic the laboratory processes.

New methods are developed and tested as necessary to meet specific dating needs and to improve the overall accuracy and precision of the lab. Radiocarbon dating by accelerator mass spectrometry AMS is an important analytical method utilized in climate change, land use change, ecosystems and natural hazards research. As a chronology tool, tadiometric C dating can provide ages for samples as old as 50, years.

The small sample size capability of AMS radiocarbon dating greatly expands the potential for dating geologic material previously undateable using older proportional counting methods. The Reston radiocarbon laboratory performs research in the accurate 14 C dating of different fractions of carbon that can be isolated from organic compounds such as sediments, soils and peat, which are often difficult to date reliably.

Monographs of the Western North American Naturalist, v. Accessibility FOIA Privacy Policies and Notices. Department of the Interior U. Wednesday, December 14, USGS Home Contact USGS Search USGS. Home Science Projects Project Archive Publications Search About Us Newsletter. Sample CO 2 gas is reduced to pure climage as graphite precipitated on iron powder for dating by accelerator mass spectrometry. Accessibility FOIA Privacy Policies and Notices U.


Creation v. Evolution: How Carbon Dating Works