Tectonic control on sediment budget in western Amazonia Baby P. (1) , Roddaz M. (1) , Brusset S. (1) , Louterbach, M. (1) , Eude A. (1) , Calderon Y. (2) , Hermoza W. (3) , Espurt N. (4) , Darrozes J. (1) , Christophoul F. (1) , Soula J.C. (1) , Hérail G. (1) , Guyot J.L. (1) , Bolaños R. (2) (1) GET, CNRS / IRD / UPS, Toulouse, France (2) PERUPETRO S.A., Lima, Perú (3) REPSOL, Madrid, Spain