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New frontiers in glacier ice dating: Measurement of natural 32Si by AMS

Morgenstern, Uwe; Fifield, L Keith; Zondervan, Albert


Cosmogenic 32Si with a half-life of ca. 140 years is an excellent candidate to provide time information in the range 100-1000 years. Accelerator mass spectrometry (AMS) could greatly enhance its applicability as a natural clock due to the small sample size required for measurement. In this paper we describe the requirements for AMS measurement of natural samples, and we demonstrate the first 32Si AMS measurement for rainwater and glacial ice and snow. The results indicate that with AMS...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
Source: Nuclear Instruments and Methods in Physics Research: Section B


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