Sempéré Thierry, Hérail Gérard, Oller J., Bonhomme M.G. (1990). Late Oligocene-early Miocene major tectonic crisis and related basins in Bolivia. Geology, 18, p. 946-949.
Titre du document
Late Oligocene-early Miocene major tectonic crisis and related basins in Bolivia
Recent advances in biochrology, geochrology, magnetostratigraphy, structural geology, and basin analysis make untenable the traditional correlation of the first major Andean-age deformational episode in Bolivia with the middle Eocene "Incaic tectonic phase" defined in central Peru and intead demostrate that the episode took place in late Oligocene and early Miocene time. This major tectonic crisis resulted in contemporary development of the Subandean external foreland basin and Altiplano intermontana basin, which were separeted by the initiation of thrusting in the present Cordillera Oriental area. The deformation suggests that the Bolivian orocline began to develop at that time. It is likely that this tectonic upheaval is genetically linked to the maked increase in rate of plate convergence produced by the contemporaneus creakup of the Farallon plate. (Résumé d'auteur).
