14C中世纪早期教堂废墟中灰泥的年代测定Hohenrätien GR,瑞士

IF 1.2 4区 地球科学 Q3 Earth and Planetary Sciences Geochronometria Pub Date : 2020-01-01 DOI:10.2478/geochr-2020-0027
I. Hajdas, M. Maurer, Maria Belen Röttig
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引用次数: 0

摘要

摘要由于有机碳的稀缺,世界各地的许多遗址缺乏放射性测年。在这里,我们根据类型学,对瑞士Hohenrätien GR中世纪早期教堂的砂浆样本进行了放射性碳年代测定,其年代可追溯到6世纪初。ETH实验室目前采用的砂浆年代测定方法包括对破碎的砂浆进行筛选,选择45−63μm的粒度,然后依次溶解,在3秒的时间间隔内收集四组分的CO2。两个砂浆样品采用顺序溶解法进行分析,一个通过对大块石灰块进行年代测定进行分析,得出1551±21 BP的综合放射性碳年龄,换算为427−559 AD的日历年龄。
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14C Dating of mortar from ruins of an early medieval church Hohenrätien GR, Switzerland
Abstract Numerous ruins around the world lack the radiometric dating due to the scarcity of organic carbon. Here, we present results of radiocarbon dating of mortar samples from an early Medieval church Hohenrätien GR, Switzerland, which was dated to the early 6th century, based on typology. The method of dating mortars, which is currently applied at the ETH laboratory, involves sieving the crushed mortar, selection of grain size 45−63 μm and sequential dissolution resulting in four fractions of CO2 collected in a 3-second interval each. Two mortar samples, which were analyzed using sequential dissolution and one by dating a bulk of lime lump, resulted in a combined radiocarbon age of 1551±21 BP translating to the calendar age of 427−559 AD.
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来源期刊
Geochronometria
Geochronometria 地学-地球科学综合
CiteScore
2.20
自引率
0.00%
发文量
1
审稿时长
>12 weeks
期刊介绍: Geochronometria is aimed at integrating scientists developing different methods of absolute chronology and using them in different fields of earth and other natural sciences and archaeology. The methods in use are e.g. radiocarbon, stable isotopes, isotopes of natural decay series, optically stimulated luminescence, thermoluminescence, EPR/ESR, dendrochronology, varve chronology. The journal publishes papers that are devoted to developing the dating methods as well as studies concentrating on their applications in geology, palaeoclimatology, palaeobiology, palaeohydrology, geocgraphy and archaeology etc.
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