Update on terrestrial ages of Antarctic meteorites
Description:
Terrestrial ages of Antarctic meteorites are one of the few parameters that will help us to understand the meteorite concentration mechanism on blue-ice fields. Traditionally, terrestrial ages were determined on the basis of {sup 36}Cl in the metal phase, which has an uncertainty of about 70 ky. For young meteorites (< 40 ky), the terrestrial age is usually and most accurately determined using {sup 14}C in the stone phase. In recent years two methods have been developed which are independent…
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Date:
January 14, 2000
Creator:
Welten, K C; Nishiizumi, K & Caffee, M W
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UNT Libraries Government Documents Department