Keppie, D FraserHynes, A JLee, James K WNorman, Marc2015-12-100278-7407http://hdl.handle.net/1885/67742Both the timing and mechanism for the removal of a ∼150-250 km wide forearc block from southern Mexico during the Cenozoic are controversial. Principal competing hypotheses are (1) removal due to sinistral strike-slip shear, in which slow, diachronous rAuthor/s retain copyrightKeywords: Average rate; Cenozoic; Continental lithosphere; Forearc; Late Oligocene; Me-xico; Miocene; Plutons; Shear zone; Subduction erosion; Upper mantle; Upper plate; Zircon age; Lithology; Mica; Zircon; Erosion; age determination; Cenozoic; continental arc; cru201210.1029/2011TC0029762016-02-24