Abstract

Following restoration of known San Andreas and inferred proto-San Andreas dextral displacements, reversal of about 560 km of postulated sinistral slip on the Nacimiento Fault brings four major Mesozoic lithotectonic belts of California and Baja California into simple alignment as subparallel terranes related to Mesozoic subduction along the continental margin. Salinian block inserted on a bias between the flanking Mojave and Peninsular Ranges blocks; Salinian granitic rocks thus formed an interior part of the Mesozoic batholith belt.--Modified journal abstract.

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