Polyphase Deformation and Strain Migration on the Septentrional‐Oriente Fault Zone in the Windward Passage, Northern Caribbean Plate Boundary
نویسندگان
چکیده
Oblique collision between the Caribbean plate and Bahama Banks has lead an eastward migration of northern boundary by successive southward jumps major strike-slip faults. The Septentrional-Oriente Fault zone (SOFZ) defines present-day accommodating most escape plate. Here, we reevaluate complex history SOFZ along Windward Passage area easternmost region Cuba northwest Haiti. Based on seismic reflection swath-bathymetric data set interpret structure tectonic pattern Passage. tectono-sedimentary framework this large strait shows contrasting patterns deformation linked to a polyphase dominantly faulting. segments offset units yield key markers displacement fault system. Our study provides structural stratigraphic insights into relative timing presents new elements that constrain southeastward jump north its position. We propose dates for identified based correlation offshore phases recorded in sedimentary cover with paleogeographic reorganization episodes described onland (Late Eocene, Late Oligocene, Middle Miocene Pliocene). By restoring units, demonstrate at least ∼80 km left-lateral motion occurred SOFZ, been active since Pliocene.
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ژورنال
عنوان ژورنال: Tectonics
سال: 2021
ISSN: ['0278-7407', '1944-9194']
DOI: https://doi.org/10.1029/2021tc006802