约旦大圆环:首次使用岩石发光表面测年法测定绝对年代

IF 1.4 3区 地球科学 0 ARCHAEOLOGY
Sahar al Khasawneh, Fawzi Abudanah, Warren Thompson, Andrew Murray
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引用次数: 0

摘要

在这项研究中,我们利用从约旦南部 J4 圈采集的岩石埋藏表面的岩石表面发光测年法,首次提供了约旦大圈巨石结构的绝对年代。这项研究使用了五块岩石。所有岩石在用于建造大圆环之前都有日光曝晒的痕迹。与随后的掩埋剂量相比,日光照射足以将潜发光信号漂白到可以忽略不计的水平。三块岩石的年代难以区分,最后一次暴露在日光下的时间为公元前 1500±100 年;这很可能是圆环的建造时间。另外两块岩石的年龄较小,表明是后来的扰动或再加工。这些新结果为青铜时代晚期的建造提供了非常有力的证据,并驳斥了早先提出的在倭马亚王朝时期(公元前 661-750 年)作为狩猎陷阱建造的假说。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Big Circles in Jordan: First absolute ages using rock luminescence surface dating

In this study, we provide the first absolute ages for a Big Circle megalithic structure in Jordan, using rock surface luminescence dating of the buried surface of rocks collected from circle J4 in southern Jordan. Five rocks were used for this study. All rocks showed evidence of previous daylight exposure before being used in the construction of the circle. The exposure was sufficient to bleach the latent luminescence signal to a negligible level compared to the subsequent burial dose. Three rocks gave indistinguishable ages, and were last exposed to daylight in 1500 ± 100 BCE; this is very likely to be the date of circle construction. Two others gave younger ages, indicating later disturbance or reworking. These new results provide very strong evidence for construction during the Late Bronze Age, and refute the earlier hypothesis of construction during Umayyad period (661–750 CE) as a hunting trap.

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来源期刊
Geoarchaeology-An International Journal
Geoarchaeology-An International Journal 地学-地球科学综合
CiteScore
3.60
自引率
5.90%
发文量
51
审稿时长
>12 weeks
期刊介绍: Geoarchaeology is an interdisciplinary journal published six times per year (in January, March, May, July, September and November). It presents the results of original research at the methodological and theoretical interface between archaeology and the geosciences and includes within its scope: interdisciplinary work focusing on understanding archaeological sites, their environmental context, and particularly site formation processes and how the analysis of sedimentary records can enhance our understanding of human activity in Quaternary environments. Manuscripts should examine the interrelationship between archaeology and the various disciplines within Quaternary science and the Earth Sciences more generally, including, for example: geology, geography, geomorphology, pedology, climatology, oceanography, geochemistry, geochronology, and geophysics. We also welcome papers that deal with the biological record of past human activity through the analysis of faunal and botanical remains and palaeoecological reconstructions that shed light on past human-environment interactions. The journal also welcomes manuscripts concerning the examination and geological context of human fossil remains as well as papers that employ analytical techniques to advance understanding of the composition and origin or material culture such as, for example, ceramics, metals, lithics, building stones, plasters, and cements. Such composition and provenance studies should be strongly grounded in their geological context through, for example, the systematic analysis of potential source materials.
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