Morgan J. Schmidt¹, J Taylor Perron², Michael Heckenberger³, Wetherbee Bryan Dorshow⁴, Bruno Moraes⁵, Jennifer Watling⁶, Eduardo Neves⁶, Dorothy Hosler⁷, Samuel Lukens Goldberg¹, Luiz Fernando Leal⁸, Kumessi Waura⁹, Hulke Kuikuro⁹, Wate Kuikuro⁹ and Afukaka Kuikuro⁹, (1)Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States, (2)MIT---EAPS, Cambridge, MA, United States, (3)University of Florida, Anthropology, Gainesville, FL, United States, (4)Puente Institute, Santa Fe, NM, United States, (5)Museu Paraense Emilio Goeldi, Belem, Brazil, (6)University of Sao Paulo, Sao Paulo, Brazil, (7)Massachusetts Institute of Technology, Materials Science and Engineering, Cambridge, MA, United States, (8)Florida Institute of Technology, Aerospace, Physics and Space Sciences, Melbourne, FL, United States, (9)Kuikuro Indigenous Association of the Upper Xingu (AIKAX), Ipatse, Brazil