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Sub-millennial eruptive recurrence in the silicic Mangaone Subgroup tephra sequence, New Zealand, from Bayesian modelling of zircon double-dating and radiocarbon ages
Quaternary Science Reviews ( IF 4 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.quascirev.2020.106517
Martin Danišík , David J. Lowe , Axel K. Schmitt , Bjarne Friedrichs , Alan G. Hogg , Noreen J. Evans

Abstract Accurate dating of young ( 38 . 4 − 1.4 + 1.7 ka BP), and constrains the beginning of the MSg eruption period to 42 . 7 − 3.5 + 3.7 ka BP (Unit A) and the end to 30 . 6 − 1.5 + 0.6 ka BP (Unit L). Thus, the entire MSg sequence was emplaced in ∼12,100 years, representing an eruption frequency of one event per ∼930 years on average. Our study demonstrates the efficacy of ZDD to yield accurate eruption ages on pyroclastic deposits, highlighting its potential for dating young (

中文翻译:

新西兰硅质 Mangaone 亚群 tephra 序列的亚千年喷发复发,来自锆石双重测年和放射性碳年龄的贝叶斯模型

摘要 年轻 (38 . 4 − 1.4 + 1.7 ka BP) 的准确年代,并将 MSg 喷发期的开始限制在 42 . 7 − 3.5 + 3.7 ka BP(A 单元)和结束到 30 。6 − 1.5 + 0.6 ka BP(单位 L)。因此,整个 MSg 序列在约 12,100 年内发生,代表平均每约 930 年发生一次事件的喷发频率。我们的研究证明了 ZDD 在火山碎屑沉积物上产生准确的喷发年龄的功效,突出了其确定年轻年代的潜力。
更新日期:2020-10-01
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