Forearc-basin sedimentary response to rapid Late Cretaceous batholith emplacement in the Peninsular Ranges of southern and Baja California

@article{Kimbrough2001ForearcbasinSR,
  title={Forearc-basin sedimentary response to rapid Late Cretaceous batholith emplacement in the Peninsular Ranges of southern and Baja California},
  author={D. Kimbrough and D. Smith and J. Mahoney and T. E. Moore and M. Grove and R. G. Gastil and A. Ortega-Rivera and C. Fanning},
  journal={Geology},
  year={2001},
  volume={29},
  pages={491-494}
}
The eastern Peninsular Ranges batholith is dominated by voluminous La Posta–type tonalite-granodiorite intrusions that compose half of the magmatic arc at present erosion level. Zircon U-Pb and hornblende 40 Ar/ 39 Ar results from these intrusions indicate that they were emplaced in a remarkably narrow interval (99–92 Ma) that closely followed cessation of west-directed compression of the arc system. Emplacement of the La Posta suite coincided with a major pulse of coarse-grained sediment into… Expand
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