Raoni Valle

Dark earths and the human built landscape in Amazonia: A widespread pattern of anthrosol formation

E. Neves, M. Heckenberger, J. Fonseca, 2014 .

Evidence confirms an anthropic origin of Amazonian Dark Earths

T. Kuyper, M. Madella, H. Huisman, 2021, Nature Communications.

What Is Anthropogenic? on the Cultural Aetiology of Geo-Situated Visual Imagery in Indigenous Amazonia

Raoni Valle, Gori-Tumi Echevarría López, Poani Higino Tenório Tuyuka, 2018 .

Ethnogeology of rock art? : Some considerations derived from Amazonianist ethnographies

Raoni Valle, 2018 .

DIRECT DATING OF PETROGLYPHS IN RIO GRANDE DO NORTE, BRAZIL

R. Bednarik, Raoni Valle, V. S. Júnior, 2019 .