Nonpyrogenic charring of Late Pleistocene large mammal remains in northeastern Russia

IF 2.4 3区 地球科学 Q2 GEOGRAPHY, PHYSICAL Boreas Pub Date : 2021-11-21 DOI:10.1111/bor.12569
Irina V. Kirillova, Olga K. Borisova, Olga F. Chernova, Gary Haynes, Nina V. Narina, Andrey V. Panin, Oksana G. Zanina, Elya P. Zazovskaya, Andrey Y. Zhuravlev, Viktor N. Zvyagin
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引用次数: 1

Abstract

Mammal remains preserved in the permafrost zone often bear traces of postmortem transformations, reflecting aspects of the palaeoenvironment and the processes that took place during the accumulation of host sediments. Multidisciplinary studies including radiocarbon dating, infrared spectroscopy, and microfossil analyses and grain size of infilling sediments from remains allow recognition of their stratigraphical and palaeogeographical origins and facilitate reconstructions of taphonomic pathways and the pre-burial environments. Here, as exemplified by skulls of woolly rhinoceros, cave lion, and ancient bison, some distinct features of postmortem changes such as nonpyrogenic charring and vivianite encrustation indicate that the remains have undergone a complex range of burial processes in aerobic and anaerobic conditions in the Pleistocene landscapes of Arctic northeastern Russia. We hypothesize that these processes were mainly confined to the warmer intervals in the Late Pleistocene.

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俄罗斯东北部晚更新世大型哺乳动物遗骸的非热原炭化
保存在永久冻土区的哺乳动物遗骸通常带有死后转变的痕迹,反映了古环境的各个方面以及宿主沉积物积累过程中发生的过程。多学科研究,包括放射性碳年代测定、红外光谱、微体化石分析和遗骸填充沉积物的粒度,可以识别其地层和古地理起源,并有助于重建埋藏路径和埋藏前环境。在这里,以长毛犀牛、洞穴狮和古代野牛的头骨为例,一些明显的死后变化特征,如非热原性烧焦和蓝晶石结壳,表明在俄罗斯东北部北极的更新世景观中,遗骸在有氧和无氧条件下经历了一系列复杂的埋葬过程。我们假设这些过程主要局限于晚更新世较温暖的时期。
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来源期刊
Boreas
Boreas 地学-地球科学综合
CiteScore
5.90
自引率
4.50%
发文量
36
审稿时长
>12 weeks
期刊介绍: Boreas has been published since 1972. Articles of wide international interest from all branches of Quaternary research are published. Biological as well as non-biological aspects of the Quaternary environment, in both glaciated and non-glaciated areas, are dealt with: Climate, shore displacement, glacial features, landforms, sediments, organisms and their habitat, and stratigraphical and chronological relationships. Anticipated international interest, at least within a continent or a considerable part of it, is a main criterion for the acceptance of papers. Besides articles, short items like discussion contributions and book reviews are published.
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Issue Information Boreas Reviewers, volume 53 Late Middle Pleistocene (MIS 11-6) in Europe – introduction Late Middle Pleistocene Wolstonian Stage (MIS 6) glaciation in lowland Britain and its North Sea regional equivalents – a review Issue Information
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