Amakomanak: An Early Holocene Microblade Site in Northwestern Alaska

IF 0.5 4区 社会学 Q1 Social Sciences Arctic Anthropology Pub Date : 2017-02-01 DOI:10.3368/aa.54.2.111
Y. Coutouly
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引用次数: 2

Abstract

The Amakomanak site (AMR-00095), dated around 7500 BC, is located in the Noatak National Preserve in northwestern Alaska and presents an important microblade component (microblade cores, core tablets, and microblades) made of local chert. During the late Pleistocene and the early Holocene, microblade technology is widespread in central Alaska, dominated by Campus-style microblade cores (wedge-shaped microblade cores). The Amakomanak assemblage is primarily composed of larger prismatic microblade cores, similar to assemblages from other northwestern Alaskan sites compared here. This paper argues that raw material available in each area may have played a major role in the different microblade core variants described. Indeed, raw material availability in the northwestern region could be one of the major reasons behind the production of larger prismatic cores, as opposed to central Alaska Campus-style cores usually made on smaller river cobbles. The paper also presents the results of a morphometric analysis of microblade cores and microblades from the Amakomanak site, comparing the data to both experimentally derived data sets on microblade-flaking modes, as well as other microblade assemblages in Alaska and Siberia.
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阿拉斯加西北部的全新世早期微叶片遗址
Amakomanak遗址(AMR-00095)的年代约为公元前7500年,位于阿拉斯加西北部的Noatak国家保护区,是由当地燧石制成的重要微叶片成分(微叶片芯、芯片和微叶片)。在更新世晚期和全新世早期,微叶片技术在阿拉斯加中部广泛应用,以校园式微叶片芯(楔形微叶片芯)为主。Amakomanak组合主要由较大的棱柱状微叶片核心组成,与阿拉斯加西北部其他地点的组合相似。本文认为,每个地区可用的原材料可能在所描述的不同微叶片核心变体中发挥了重要作用。事实上,西北地区的原材料可用性可能是生产更大棱柱状岩芯的主要原因之一,而阿拉斯加中部校园风格的岩芯通常是在较小的河流鹅卵石上制成的。本文还介绍了对Amakomanak遗址的微叶片核心和微叶片的形态计量分析结果,将数据与实验得出的微叶片剥落模式数据集以及阿拉斯加和西伯利亚的其他微叶片组合进行了比较。
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来源期刊
Arctic Anthropology
Arctic Anthropology ANTHROPOLOGY-
CiteScore
1.20
自引率
0.00%
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0
期刊介绍: Arctic Anthropology, founded in 1962 by Chester S. Chard, is an international journal devoted to the study of Old and New World northern cultures and peoples. Archaeology, ethnology, physical anthropology, and related disciplines are represented, with emphasis on: studies of specific cultures of the arctic, subarctic and contiguous regions of the world; the peopling of the New World; relationships between New World and Eurasian cultures of the circumpolar zone; contemporary problems and culture change among northern peoples; and new directions in interdisciplinary northern research.
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