Original sentence: Located in the middle of the Andean massif at a latitude of 40° Trondor is part of an alpine landscape of fjords, glacial lakes and u-shaped valleys.Since then glaciations and other erosive processes shaped the mountain freely without new output of lava or tephra.The volcano grewduring the glacial and interglacial and interglacials of the Pleistocene but became practically extinct in middle to late Pleistocene, probably due to a shif in the active fron of the Southern Volcanic Zone to which it belongs
Edited sentence: Located in the middle of the Andean massif at a latitude of 41° S Tronador is part of an alpine landscape of fjords, glacial lakes and u-shaped valleys.Since then, glaciations and other erosive processes shaped the mountain freely without new output of lava or tephra.The volcano grew during the glacial and interglacial of the Pleistocene but became practically extinct in late Middle Pleistocene 300 ka ago, due to a shift in the active front of the Southern Volcanic Zone to which it belongs