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Cosmogenic Isotope Dating

Cosmogenic Isotope Dating

The application of cosomogenic radionuclides in the Earth sciences has provided the essential geochronological timing of continental and polar glacial history over the past few millions years, and revolutionised our understanding of the processes controlling landscape evolution on spatial scales of metres to kilometres.

Cosmogenic in-situ produced terrestrial radionuclides 10Be, 26Al and 36Cl are now used extensively for determining the exposure history of bedrock surfaces, glacially transported boulders, sedimentary deposits, fans, buried cave sands, dune and river sands and fault scarps to determine glacial chronologies, basin wide erosion rates, burial ages, fault and slip rates, landscape change in paleo-geomorphology and climate change.

Cosmogenic isotope dating and tracing can be performed on quartz bearing rocks, granites, carbonates, sediments and ice. The correct capability to utilise depends on the sample type and the isotope(s) of interest.

 

For further information please contact:
Klaus Wilcken
Phone: +61 2 9717 9036 
klaus.wilcken@ansto.gov.au