Cosmic ray labeling of erosion surfaces - In situ nuclide production rates and erosion models

Details Cosmic ray labeling of erosion surfaces - In situ nuclide production rates and erosion models Cosmic ray labeling of erosion surfaces - In situ nuclide production rates and erosion models

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991e%26psl.104..424l&link_type=abstract

Earth and Planetary Science Letters (ISSN 0012-821X), vol. 104, no. 2-4, June 1991, p. 424-439.

Physics

355

Aluminum Isotopes, Beryllium Isotopes, Cosmic Rays, Geochronology, Radiation Dosage, Radioactive Isotopes, Trace Elements, Chemical Analysis, Erosion, Isotope Separation, Radiochemistry, Rare Gases, Rocks

Scientific paper

The in situ production rates of cosmogenic radionuclides Be-10, Al-26, Cl-36, C-14, and Ar-39 in quartz were determined using direct measurements, and the production rates for the isotopes of He, Ne and Ar in differnet target materials were theoretically estimated on the basis of available excitation functions. The results were used to obtain the effective surface exposure age and the time-averaged erosion rate. The implications of these parameters for single and multiple nuclide studies are discussed in terms of several erosion models.

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