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New temporal constraints on the rotation of the Peruvian central Andes obtained from paleomagnetism
Author(s) -
MacedoSánchez O.,
Surmont J.,
Kissel C.,
Laj C.
Publication year - 1992
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/92gl01070
Subject(s) - paleomagnetism , geology , clockwise , volcano , paleontology , rotation (mathematics) , seismology , magnetostratigraphy , margin (machine learning) , cenozoic , geodesy , geometry , structural basin , mathematics , machine learning , computer science
New paleomagnetic data from middle Eocene to middle Miocene volcanic and plutonic formations of the Western Cordillera of Central Peru document a counterclockwise rotation of 11°±7.4°. This rotation, similar to previous results reported for the northern Peruvian margin, is post middle‐Miocene in age. It is thus coeval with the acceleration of the Andean uplift and supports Isacks' model.