中国北方泥河湾盆地马庄沟遗址的 26Al/10Be 埋葬年代测定

IF 3.2 1区地球科学 Q1 GEOGRAPHY, PHYSICAL

Quaternary Science Reviews Pub Date : 2024-11-19 DOI:10.1016/j.quascirev.2024.109086

Hua Tu , Xinfeng Zhang , Lan Luo , Fei Xie , Fei Han , Zhongping Lai , Darryl E. Granger , Guanjun Shen

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引用次数: 0

摘要

位于泥河湾盆地的旧石器时代遗址马庄沟-III（MJG-III）的磁地层年代为距今 166 万年（Ma），被广泛认为是中国最早的人类聚落之一。尽管如此，用一种独立的、成熟的放射性同位素测年方法来核对古地磁测年仍然非常重要。在此，我们报告了 26Al/10Be 埋藏年代测定法在马庄沟遗址的应用情况，并将 1.28 ± 0.11 Ma (1σ)、>1.49 Ma 和接近 1.63 ± 0.09 Ma 的年代分别赋予半山、MJG-I 和 MJG-III。年代与地层之间的普遍一致性，以及出土断面样品与深埋沉积物岩心样品之间年代的一致性，都支持了所提出的年代序列。年代结果与之前的磁地层学结果一致，首次为中国北方高纬度地区最早的人类活动提供了放射性同位素年代。

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26Al/10Be burial dating of Majuangou sites in Nihewan Basin, northern China

The Paleolithic site of Majuangou-III (MJG-III) in the Nihewan Basin, magnetostratigraphically dated to 1.66 million years ago (Ma), has been widely cited as documenting one of the earliest human settlements in China. Nevertheless, it remains important to cross-check the paleomagnetic dating with an independent and well-established radio-isotopic dating method. Here we report the application of ²⁶Al/¹⁰Be burial dating to the Majuangou sites, assigning 1.28 ± 0.11 Ma (1σ), >1.49 Ma and close to 1.63 ± 0.09 Ma to Banshan, MJG-I and MJG-III, respectively. The proposed age sequence is supported by the general consistency between dates and stratigraphy as well as the consistency of dates between the samples from excavated cross-sections and those from deeply buried sediment cores. The age results agree with the previous magnetostratigraphy, providing the first radio-isotopic age for the earliest human occupation in high-latitude northern China.

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来源期刊

Quaternary Science Reviews 地学-地球科学综合

CiteScore

7.50

自引率

15.00%

发文量

388

审稿时长

3 months

期刊介绍： Quaternary Science Reviews caters for all aspects of Quaternary science, and includes, for example, geology, geomorphology, geography, archaeology, soil science, palaeobotany, palaeontology, palaeoclimatology and the full range of applicable dating methods. The dividing line between what constitutes the review paper and one which contains new original data is not easy to establish, so QSR also publishes papers with new data especially if these perform a review function. All the Quaternary sciences are changing rapidly and subject to re-evaluation as the pace of discovery quickens; thus the diverse but comprehensive role of Quaternary Science Reviews keeps readers abreast of the wider issues relating to new developments in the field.