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Prehistoric Genetic and Culture Change: A Bioarchaeological Search for Pre-Inka Altiplano Colonies in the Coastal Valleys of Moquegua, Peru, and Azapa, Chile

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TLDR
The authors used a bioarchaeological approach to test the existence of pre-Inka colonists within the Andean coastal valleys of Moquegua, Peru and Azapa, Chile, as predicted by Murra's classic model of verticality.
Abstract
This investigation uses a bioarchaeological approach to test the existence of pre-Inka colonists within the Andean coastal valleys of Moquegua, Peru, and Azapa, Chile, as predicted by Murra's (1972) classic model of verticality. The archaeological evidence and biodistance results obtained using genetically controlled dental traits from 859 skeletal and mummified remains indicate that the Late Intermediate period (A.D. 1100-1476) coastal Chiribaya people of the Moquegua Valley, Peru, likely represent descendants of altiplano populations that migrated to the coastal region following the disintegration of the Middle Horizon (A.D. 750-1100) Tiwanaku colony located in the middle Moquegua Valley. In the neighboring Azapa Valley, Chile, genetic change among prehistoric populations was due to gradual in situ microevolution of local populations rather than colonization by altiplano people. Coastal populations of the Azapa Valley maintained biocultural continuity with the Archaic period Chinchorro coastal population. It is concluded that Murra's model of direct verticality should be evaluated using both biological and archaeological data on a case-by-case basis.

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The Use of Strontium Isotope Analysis to Investigate Tiwanaku Migration and Mortuary Ritual in Bolivia and Peru

TL;DR: Strontium isotope analysis is applied in South America for the first time in order to investigate residential mobility and mortuary ritual from ad 500 to 1000 as mentioned in this paper, and the results show that non-local individuals are present at both sites.
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Utility of multiple chemical techniques in archaeological residential mobility studies: Case studies from Tiwanaku‐ and Chiribaya‐affiliated sites in the Andes

TL;DR: Analysis of strontium isotope, trace element concentration, and oxygen isotope data from archaeological human tooth enamel and bone from Tiwanaku- and Chiribaya-affiliated sites in the south central Andes demonstrates the potential for archaeological reconstruction of residential mobility through multiple lines of evidence.
Journal ArticleDOI

The origin of the Juch'uypampa Cave mummies: strontium isotope analysis of archaeological human remains from Bolivia

TL;DR: In this paper, Strontium isotope analysis was performed on enamel from two adult men and bone from a third adult male in order to test the hypotheses that one or more of the males was from either the Tiwanaku heartland in the Lake Titicaca Basin, the Chilean oasis of San Pedro de Atacama, which contains a series of cemeteries with Tiwanak style grave goods, or the local area in which they were buried.
Journal ArticleDOI

Multiregional Perspectives on the Archaeology of the Andes During the Late Intermediate Period (c. A.D. 1000–1400)

TL;DR: In the Late Intermediate Period (LIP, c. A.D. 1000-1400), the central Andes experienced the decline of the Wari and Tiwanaku states, as well as processes of state formation, regional population growth, and competition culminating in the imperial expansion of the Chimu and Inka polities as discussed by the authors.
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Distant Colonies and Explosive Collapse: The Two Stages of the Tiwanaku Diaspora in the Osmore Drainage

TL;DR: The second stage was a much more extensive victim/refugee diaspora driven by the violent disintegration of the colonies around A.D. 1000, in conjunction with either the collapse of Tiwanaku or its radical reorientation by a militaristic elite as mentioned in this paper.
References
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TL;DR: This paper presents a meta-modelling framework for estimating the evolutionary rates of infectious disease in eight species of E.coli using a simple model derived from probabilistic models.
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Journal ArticleDOI

Migration in Archeology: The Baby and the Bathwater

TL;DR: In this article, it is argued that traditional archeological approaches to migration fall short because a methodology for examining prehistoric migration must be dependent upon an understanding of the general structure of migration as a patterned human behavior.
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