Protrusion, Bioturbation, and Settlement Detection during Surface Survey: The Lowland Maya Case |
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Authors: | Kevin J Johnston |
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Institution: | (1) Department of Anthropology, Ohio State University, 244 Lord Hall, 124 W. 17th Avenue, Columbus, Ohio, 43210-1364 |
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Abstract: | In upland settings in humid and semihumid temperate and tropical environments, bioturbation is a major factor in the burial of modest architectural remains, which are abundant components of the settlement systems of complex societies. Surface survey, favored by archaeologists of complex societies as a settlement detection method, seldom is appropriate for discovering architectural remains buried through bioturbation. Where the focus of analysis includes settlement represented by architectural remains, surface survey is appropriate only where all or a representative sample of all types of architectural remains are protrusive. Protrusion describes a relationship (affected by climate, environment, topography, and cultural variables) between the height of a ruined building and the depth of the biomantle, which is the zone of bioturbation. To enable archaeologists to assess the appropriateness of settlement detection procedures, including surface survey, I propose a scheme that classifies architectural remains in terms of their protrusion, building height, and visibility characteristics. The scheme can be employed to determine if and why architectural remains are protrusive in particular study areas. To demonstrate its analytical utility, I apply the scheme and the model of building burial through bioturbation that underlies it to the problem of Maya invisible settlement. I conclude that in the Maya lowlands of Mesoamerica, building remains buried through bioturbation are a more abundant settlement category than many archaeologists have supposed. |
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Keywords: | settlement archaeology surface survey bioturbation Maya |
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