Figure - available from: Geochemistry, Geophysics, Geosystems
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A map of the southern Mexico area. The red triangles denote Quaternary volcanoes. The gray solid lines represent plate boundaries, gray‐dashed lines denote the intra‐ocean tectonic zones, black dashed lines represent subduction isobaths of the Cocos plate, and digital denote the plate movement rate. EC, El Chichon volcano; IT, Isthmus of Tuxtlas; LTVF, Los Tuxtlas Volcanic Field; MAT, Middle America Trench; MCVA, Modern Chiapanecan Volcanic Arc; OGFZ, O'Gorman Fracture Zone; OFZ, Orozco Fracture Zone; SMDS, Sierra Madre Del Sur; SMOC, Sierra Madre Occidental; SMOR, Sierra Madre Oriental; TMVB, Trans Mexican Volcanic Belt; TR, Teuhantepec Ridge; YUB, Yucatan Block.
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The collision and subduction of the Cocos and North American plates created a complex geological structure in southern Mexico. Although some scholars proposed that there are some tears in the subducted Cocos slab based on the research of seismic parameters, the support of seismic tomography research for tear models is insuffi...
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