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首页> 外文期刊>Quaternary geochronology >Age determination for a Neolithic site in northeastern Qinghai-Tibetan Plateau using a combined luminescence and radiocarbon dating
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Age determination for a Neolithic site in northeastern Qinghai-Tibetan Plateau using a combined luminescence and radiocarbon dating

机译：结合发光和放射性碳测年确定东北青藏高原新石器时代遗址的年龄

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摘要

The archaeological Shaliuheqiaodong site, located at the junction between the estuary of Shaliu River and the northeast bedrock terrace of Qinghai Lake, is one of the earliest Neolithic Age sites in the Qinghai-Tibetan Plateau (QTP), which is critical for understanding patterns of prehistoric human inhabitation in the high plateau extreme environments. There are only two published radiocarbon ages by far for chronological control. Recently, a new section (Gangcha section) was found, with abundant charcoals and fish bones well-preserved in the matrix of aeolian sediments, providing a good opportunity for a combined study of luminescence and radiocarbon dating. In the current study, we obtained three luminescence ages on aeolian sediment, six radiocarbon ages (three on charcoals and three on fish bones). Our results showed that the luminescence ages (average of 3.2 +/- 0.2 ka) are in agreement with charcoal radiocarbon ages (3165-3273 cal a BP) where applicable, and that the lake reservoir effect age of radiocarbon dating was approximately 0.3-0.7 cal ka BP and an average of 0.4 cal ka BP at similar to 3.2 cal ka BP (age difference between that of charcoals and fish bones). The prehistoric residence in Qinghai Lake area seemed to be sequenced from 15 ka BP to 3.1 ka BP, based on our data and previously published data altogether. The obvious baked vestiges on the bones of fish and animals, as well as a number of artifacts, indicate that naked carps had become a food resource for prehistoric people at least since 3.2 cal ka BP. (C) 2015 Elsevier B.V. All rights reserved.
机译：沙六河桥东考古遗址位于沙六河河口与青海湖东北基岩阶地之间的交界处，是青藏高原（QTP）最早的新石器时代遗址，这对于了解史前模式至关重要高高原极端环境中的人类居住。迄今为止，只有两个已公布的放射性碳年龄可以按时间顺序进行控制。最近，发现了一个新的断面（冈察断面），其大量的木炭和鱼骨保存在风沙沉积物的基质中，为结合研究发光和放射性碳定年提供了一个很好的机会。在当前的研究中，我们获得了三个在风沙沉积上的发光年龄，六个发光碳年龄（三个在木炭上，三个在鱼骨上）。我们的结果表明，发光年龄（平均3.2 +/- 0.2 ka）与适用的木炭放射性碳年龄（3165-3273 cal a BP）一致，并且湖泊储层对放射性碳年代的影响年龄约为0.3-0.7。 cal ka BP，平均0.4 cal ka BP，与3.2 cal ka BP相似（木炭和鱼骨之间的年龄差异）。根据我们的数据和以前的全部数据，青海湖地区的史前住所似乎是从15 ka BP到3.1 ka BP排列的。鱼和动物骨骼上明显的烘烤痕迹以及许多人工制品表明，至少从3.2 cal ka BP开始，裸鲤鱼已成为史前人类的食物资源。 （C）2015 Elsevier B.V.保留所有权利。

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