1. Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA.
2. Center for Materials Research in Archaeology and Ethnology, Massachusetts Institute of Technology, Cambridge, MA, USA.
3. Department of Anthropology, University of Florida, Gainesville, FL, USA.
4. Laboratório de Estudos Interdisciplinares em Arqueologia, Universidade Federal de Santa Catarina, Florianopolis, SC, Brazil.
5. National Museum/ Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
6. Museum of Archaeology and Ethnology, University of São Paulo, São Paulo, SP, Brazil.
7. Emilio Goeldi Museum, Belém, PA, Brazil.
8. Puente Institute, Nederland, CO, USA.
9. Earth Analytic Inc., Santa Fe, NM, USA.
10. Department of Anthropology, University of New Mexico, Albuquerque, NM, USA.
11. Henry M. Jackson Foundation, Bethesda, MD, USA.
12. Kuikuro Indigenous Association of the Upper Xingu (AIKAX), Ipatse, MT, Brazil.
13. EMBRAPA Soils, Rio de Janeiro, RJ, Brazil.
14. Federal University of Western Pará, Santarém, PA, Brazil.
15. Federal University of Pará, Belém, PA, Brazil.
16. Arqueomaquina, Belém, PA, Brazil.
17. Tapera - Grupo de Estudos em Arqueologia Amazônica, Brazil.
18. Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil.
19. Institute of Archaeology, University College London, London, UK.