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A refitting experiment on long bone identification
International Journal of Osteoarchaeology ( IF 1.361 ) Pub Date : 2021-03-13 , DOI: 10.1002/oa.2980
Eugène Morin 1, 2 , Arianne Boileau 3 , Elspeth Ready 4
Affiliation  

Refitting is an important analytical tool in archaeology that can yield valuable information on site formation processes and on the range of activities practiced at a site, including tool production, tool curation, and discard behavior, among others. In the present paper, we use refit data from a control assemblage of red deer (Cervus elaphus) long bones to assess problems of specimen identification and representation in an experiment where bones were processed for marrow. Three goals motivated this experiment: (i) to assess how different methods of NISP (number of identified specimens) calculation affect comparisons of the relative abundances of long bone regions, (ii) to evaluate whether long bone shaft regions vary with respect to the probability of identification, and (iii) to ascertain the potential refit rate for a well-preserved and fully-collected sample of faunal specimens. Our results show no statistical differences in terms of patterns of skeletal representation between the two methods of NISP calculation (single vs. multiple NISP counts) that we assessed. Our data also indicate that the shape, particularly the cross-section, of fragments clearly impacts the probability of identification and refitting. Moreover, the refitting experiment reveals that, in ideal conditions, a majority of specimens (>95%) from the NISP sample can be refitted, which leads to largely reconstructed skeletal elements. Thus, the comparatively very low refit rates recorded in archaeological sites, including samples that are well preserved, suggest that the often limited extent of excavations, along with offsite discard and/or extensive sharing of parts, substantially reduce the possibility of finding refits in a faunal sample.

中文翻译:

长骨识别改造实验

改装是考古学中的一种重要分析工具,可以提供有关遗址形成过程和遗址实践活动范围的宝贵信息,包括工具生产、工具管理和丢弃行为等。在本文中,我们使用来自马鹿(Cervus elaphus) 长骨,以评估在对骨骼进行骨髓处理的实验中的标本识别和表示问题。三个目标激发了这个实验:(i)评估不同的 NISP(识别样本数量)计算方法如何影响长骨区域相对丰度的比较,(ii)评估长骨干区域是否随概率发生变化鉴定,以及 (iii) 确定保存完好和完全收集的动物群标本的潜在改装率。我们的结果显示,我们评估的两种 NISP 计算方法(单个与多个 NISP 计数)之间的骨架表示模式没有统计学差异。我们的数据还表明,形状,尤其是横截面,碎片的数量显然会影响识别和改装的可能性。此外,改装实验表明,在理想条件下,NISP 样本中的大部分标本 (>95%) 都可以改装,这导致大量重建骨骼元素。因此,考古遗址(包括保存完好的样本)中记录的相对非常低的改装率表明,挖掘范围通常有限,加上场外丢弃和/或零件的广泛共享,大大降低了在考古遗址中找到改装的可能性。动物样本。
更新日期:2021-03-13
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