The Peru Chile Trench, the forearc and the western edge of the central Andean plateau ( Altiplano ), delineate the dramatic " Bolivian Orocline " that defines the Andean slope of southern Peru, northern Chile, and Bolivia.
2.
In part sediment accumulation, uplift and subsidence of the Andean foreland basins is controlled by transverse zones of " Bolivian Orocline ( 20?S, also known as Arica Deflection or Arica Elbow ) north these zones of accommodation runs with a NEE-SWW orientation and south of the orocline they run with a NW-SE orientation.
3.
In part sediment accumulation, uplift and subsidence of the Andean foreland basins is controlled by transverse zones of " Bolivian Orocline ( 20?S, also known as Arica Deflection or Arica Elbow ) north these zones of accommodation runs with a NEE-SWW orientation and south of the orocline they run with a NW-SE orientation.
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