Refit and Oxygen Isotope Analysis of Freshwater Mussel Shells from the Tillar Farms Site (3DR30), Southeast Arkansas

IF 0.4 Q1 Arts and Humanities

Midcontinental Journal of Archaeology Pub Date : 2019-10-20 DOI:10.1080/01461109.2019.1677999

J. Collins, C. Andrus, R. Scott, Amy Moe-Hoffman, E. Peacock

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引用次数: 5

Abstract

ABSTRACT We investigate the link between the consumption of foodstuffs, excavation of a large pit, and disposal of waste at the Tillar Farms site (3DR30), southeast Arkansas, using refit and oxygen isotope analyses of well-preserved freshwater mussel shells from Feature 1. Only 0.13% of 7,408 valves analyzed were unidentifiable to species.The refit analysis produced 460 refits across 23 species and strongly indicates that the shell midden represents a single episode of shellfish gathering, consumption, and discard. Oxygen isotope analysis of five randomly selected shells are used as a test of the refit results. δ18O values from the five archaeological shells are compared to modern control samples of live-collected specimens from Bayou Bartholomew in winter of 2011. Refit analysis suggests the accumulation of mussel shells occurred quickly, likely as a result of one collection, consumption, and discard event. δ18O values suggest this activity took place during a single winter season.

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阿肯色州东南部蒂勒农场(3DR30)淡水贻贝的整修和氧同位素分析

研究人员利用特征1中保存完好的淡水贻贝壳的整修和氧同位素分析，研究了阿肯色州东南部蒂勒尔农场(3DR30)的食品消费、大坑挖掘和废物处理之间的联系。在分析的7408个阀门中，只有0.13%的阀门无法被物种识别。改装分析对23个物种进行了460次改装，并强烈表明贝壳堆代表了贝类收集，消费和丢弃的单一事件。对随机选择的5个壳体进行氧同位素分析，作为对改装结果的检验。将5个考古贝壳的δ18O值与2011年冬季在巴塞洛缪河口采集的现代对照标本进行了比较。改装分析表明，贻贝壳的积累发生得很快，可能是一次收集、消耗和丢弃事件的结果。δ18O值表明这一活动只发生在一个冬季。

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来源期刊

Midcontinental Journal of Archaeology ARCHAEOLOGY-

CiteScore

1.50

自引率

0.00%

发文量