Archaeology of the Americas
The archaeology of the Americas is the study of the archaeology of North America (Mesoamerica included), Central America, South America and the Caribbean. This includes the study of pre-historic/Pre-Columbian and historic indigenous American peoples, as well as historical archaeology of more recent eras.
The Pre-Columbian era is the term generally used to encompass all period subdivisions in the history of the Americas spanning the time from the original settlement of the Americas in the Upper Paleolithic up until to the European colonization of the Americas during the early modern period. While technically referring to the era before the voyages of Christopher Columbus from 1492 to 1504, in practice the term usually includes the history of American indigenous cultures until they were conquered or significantly influenced by Europeans, even if this happened decades or even centuries after Columbus' initial landing.
The pre-Columbian archaeological record in the Americas is conventionally divided into five phases according to an enduring system established in Gordon Willey and Philip Phillips's 1958 book Method and Theory in American Archaeology. This differs from old world prehistory where the terms Paleolithic, Mesolithic, Neolithic, Chalcolithic, and Bronze Age are generally used.
Numerous regional and sub-regional divisions have since been defined to distinguish various cultures through time and space, as later archaeologists recognized that these generalised stages did not adequately correspond to the cultural variation that existed in different locations in the Americas.
- Defined by the ostensible prevalence of big-game hunting. In most places, this can be dated to before 8000 BCE. Examples include the Clovis culture and Folsom tradition groups.
- The Archaic stage
- Defined by the increasingly intensive gathering of wild resources with the decline of the big-game hunting lifestyle. Typically, Archaic cultures can be dated from 8000 to 1000 BCE. Examples include the Archaic Southwest, the Arctic small tool tradition, the Poverty Point culture, and the Chan-Chan culture in southern Chile.
- The Formative stage
- Defined as "village agriculture" based. Most of these can be dated from 1000 BCE to 500 CE. Examples include the Dorset culture, Zapotec civilization, Mimbres culture, Olmec, Woodland, and Mississippian cultures.
- The Classic stage
- Defined as "early civilizations", and typically dating from 500 to 1200 CE. Willey and Phillips considered only cultures from Mesoamerica and Peru to have achieved this level of complexity. Examples include the early Maya and the Toltec.
- Defined as "later prehispanic civilizations" and typically dated from 1200 CE until the advent of European colonisation. The late Maya and the Aztec cultures were Post-Classic.
Since 1990, in the United States, physical anthropology and archaeological investigations based on the study of human remains are complicated by the Native American Graves Protection and Repatriation Act, (NAGPRA), which provides for the bodies of Native Americans and associated grave goods to be turned over to the recognized tribal body most legally affiliated with the remains. In some cases, notably, that of Kennewick Man, these laws have been subject to close judicial scrutiny and great intellectual conflict.
Mesoamerica or Meso-America (Spanish: Mesoamérica) is a region and cultural area in the Americas, extending approximately from central Mexico to Honduras and Nicaragua, within which a number of pre-Columbian societies flourished before the Spanish colonization of the Americas in the 15th and 16th centuries. Prehistoric groups in this area are characterized by agricultural villages and large ceremonial and politico-religious capitals This culture area included some of the most complex and advanced cultures of the Americas, including the Olmec, Teotihuacan, the Maya, and the Aztec.
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Molecular genetics study suggests that surviving Amerindian populations derived from a theoretical single founding population, possibly from only 50 to 70 genetic contributors Preliminary research, restricted to only 9 genomic regions (or loci) have shown a genetic link between original Americas and Asia populations. The study does not address the question of separate migrations for these groups, and excludes other DNA data-sets.
The American Journal of Human Genetics released an article in 2007 stating "Here we show, by using 86 complete mitochondrial genomes, that all Indigenous American haplogroups, including Haplogroup X (mtDNA), were part of a single founding population." Amerindian groups in the Bering Strait region exhibit perhaps the strongest DNA or mitochondrial DNA relations to Siberian peoples. The genetic diversity of Amerindian indigenous groups increase with distance from the assumed entry point into the Americas. Certain genetic diversity patterns from West to East suggest at least some coastal migration events. Geneticists have variously estimated that peoples of Asia and the Americas were part of the same population from 42,000 to 21,000 years ago.
|Wikimedia Commons has media related to Archaeology of the Americas.|
- "Method and Theory in American Archaeology" (Digitised online by Questia Media). Gordon Willey and Philip Phillips. University of Chicago. 1958. Retrieved 2009-11-20.
- Bones, Discovering the First Americans Elaine Dewar, Carroll & Graf Publishers, New York, 2002, ISBN 0-7867-0979-0
- "Meso-America." Oxford English Reference Dictionary, 2nd ed. (rev.) 2002. (ISBN 0-19-860652-4) Oxford, UK: Oxford University Press; p. 906.
- (2000): Atlas del México Prehispánico. Revista Arqueología mexicana. Número especial 5. Julio de 2000. Raíces/ Instituto Nacional de Antropología e Historia. México.
- http://www.uapress.arizona.edu/onlinebks/hohokam/Glossary.htm The University of Arizona
- Hey, J (2005). "On the Number of New World Founders: A Population Genetic Portrait of the Peopling of the Americas". PLoS Biology (PubMed Central (PMC) is the U.S. National Institutes of Health) 3 (6): e193. doi:10.1371/journal.pbio.0030193. PMC 1131883. PMID 15898833.
- "Nomenclature for Incompletely Specified Bases in Nucleic Acid Sequences". NC-IUB. 1984. Retrieved 2009-11-19.
- "First Americans". Southern Methodist University-David J. Meltzer, B.A., M.A., Ph.D. Retrieved 2009-11-17.
- "The peopling of the Americas: Genetic ancestry influences health". Scientific American. Retrieved 2009-11-22.
- "First Americans Endured 20,000-Year Layover - Jennifer Viegas, Discovery News". Retrieved 2009-11-18
- "Genetic Variation and Population Structure in Native Americans". PLoS Genetics. 2007. p. 3(11). Retrieved 2009-11-18.
- Fagundes, Nelson J.R.; Ricardo Kanitz, Roberta Eckert, Ana C.S. Valls, Mauricio R. Bogo, Francisco M. Salzano, David Glenn Smith, Wilson A. Silva, Marco A. Zago, Andrea K. Ribeiro-dos-Santos, Sidney E.B. Santos, Maria Luiza Petzl-Erler, and Sandro L.Bonatto (2008). "Mitochondrial Population Genomics Supports a Single Pre-Clovis Origin with a Coastal Route for the Peopling of the Americas" (pdf). American Journal of Human Genetics 82 (3): 583–592. doi:10.1016/j.ajhg.2007.11.013. PMC 2427228. PMID 18313026. Retrieved 2009-11-19.