{"title":"Was Obsidian Used for Camelid Shearing in Ancient Peru? An Experimental and Use-Wear Study","authors":"Jason Nesbitt, Rachel K. Johnson, R. Horowitz","doi":"10.1080/19442890.2019.1573286","DOIUrl":null,"url":null,"abstract":"ABSTRACT Obsidian flake tools are an important component of Early Horizon (ca. 800–400 B.C.) lithic assemblages in highland Peru. However, the functions of these tools have not been ascertained. In this paper, we present the results of an experimental project that tests the hypothesis that flake tools were used for shearing domesticated camelids (alpacas and llamas). A collection of 10 replicated flake tools were used to shear an alpaca over different amounts of time. Our results indicate that these implements provide an efficient means of shearing camelids, though their efficiency declines after prolonged use. Following the shearing experiment, optical light microscope (OLM) and scanning electron microscope (SEM) analyses were undertaken to determine what kinds of use-wear were present on the tools. We tentatively conclude that shearing does leave recognizable edge-wear, including micro-chipping, faint striations, and residues, which we believe could be visible in Peruvian archaeological lithic assemblages.","PeriodicalId":42668,"journal":{"name":"Ethnoarchaeology","volume":null,"pages":null},"PeriodicalIF":1.8000,"publicationDate":"2019-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ethnoarchaeology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/19442890.2019.1573286","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"0","JCRName":"ARCHAEOLOGY","Score":null,"Total":0}
引用次数: 6
Abstract
ABSTRACT Obsidian flake tools are an important component of Early Horizon (ca. 800–400 B.C.) lithic assemblages in highland Peru. However, the functions of these tools have not been ascertained. In this paper, we present the results of an experimental project that tests the hypothesis that flake tools were used for shearing domesticated camelids (alpacas and llamas). A collection of 10 replicated flake tools were used to shear an alpaca over different amounts of time. Our results indicate that these implements provide an efficient means of shearing camelids, though their efficiency declines after prolonged use. Following the shearing experiment, optical light microscope (OLM) and scanning electron microscope (SEM) analyses were undertaken to determine what kinds of use-wear were present on the tools. We tentatively conclude that shearing does leave recognizable edge-wear, including micro-chipping, faint striations, and residues, which we believe could be visible in Peruvian archaeological lithic assemblages.
期刊介绍：
Ethnoarchaeology, a cross-cultural peer-reviewed journal, focuses on the present position, impact of, and future prospects of ethnoarchaeological and experimental studies approaches to anthropological research. The primary goal of this journal is to provide practitioners with an intellectual platform to showcase and appraise current research and theoretical and methodological directions for the 21st century. Although there has been an exponential increase in ethnoarchaeological and experimental research in the past thirty years, there is little that unifies or defines our subdiscipline. Ethnoarchaeology addresses this need, exploring what distinguishes ethnoarchaeological and experimental approaches, what methods connect practitioners, and what unique suite of research attributes we contribute to the better understanding of the human condition. In addition to research articles, the journal publishes book and other media reviews, periodic theme issues, and position statements by noted scholars.
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