Geotechnologies reveal artificial mounds indicative of chiefdoms in pre-Columbian Brazil, suggesting complex societies.
Artificial mounds in pre-Columbian America provide evidence of stratified societies as chiefdoms and states. These structures served multiple purposes, including as burial grounds. For the first time, artificial mounds have been identified by the use of geotechnologies at the Lontra stilt villages in eastern Amazon, Brazil.
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Navarro et al. (2026) studied this question.
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