The use of in-situ cosmogenic ^(21)Ne in studies on long-term landscape development

查看全文 作　　者：Yan [1,2]Ma;Finlay M. [2]Stuart

机构地区：[1]State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing 100029, China;[2]Isotope Geosciences Unit, Scottish Universities Environmental Research Centre, Scottish Enterprise Technology Park, East Kilbride G75 0QF, UK

出　　处：《Acta Geochimica》索引2018年第37卷第2期,共13页

基　　金：supported by the basic scientific research fund, Institute of Geology, China Earthquake Administration (Grant Nos. IGCEA1504 and IGCEA1417) 摘　　要：Cosmogenic Ne isotopes are stable and are routinely used for constraining the timing of events and the rate of surface change beyond the limit that can be studied with radionuclides ^(10)Be,^(26)Al, and ^(36)Cl. Cosmogenic Ne analysis can be used in quartz and in a range of other minerals. Analysis typically requires significantly less material than do cosmogenic ^(10)Be and^(26)Al, opening up the technique for small samples—individual pebbles in river sediments, for example. Analysis is easier and faster than for radionuclides, not least because Ne measurements do not require significant chemical procedures. However, the presence of other sources of Ne in minerals tends to restrict the use of cosmogenic ^(21)Ne to old landscapes and long exposure durations. In this review we briefly outline the background of cosmogenic Ne production in rocks and minerals at the Earth's surface, then document the key uses of the technique by highlighting some earlier studies, and finish with a short perspective on the future of the technique. 关键词：风景放射性核种表面变化矿物质化学过程持续时间使用限制 NE

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The use of in-situ cosmogenic ^(21)Ne in studies on long-term landscape development

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