Chao, Peru Geoarchaeology of the Salinas de Chao Paleo-embayment Elizabeth Olson July 17 – July 20, 2011 Funding Support:  National Geographic Society, Dan & Betty Churchill Fund, & Marshall Cloyd The Chao paleo-embayment is located just south of the Chao River mouth. A relict escarpment with a log-spiral beach plan-view marks the paleo-embayment. The elevated read more Geoarchaeology of the Salinas de Chao Paleo-embayment