U-Pb and 40Ar/39Ar geochronology of the coastal Sonora batholith: New insights on Laramide continental arc magmatism - Archive ouverte HAL Access content directly
Journal Articles Revista Mexicana de Ciencias Geológicas Year : 2008

U-Pb and 40Ar/39Ar geochronology of the coastal Sonora batholith: New insights on Laramide continental arc magmatism

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Abstract

The coastal Sonora batholith comprises a series of Cretaceous granitoids that intruded a metasedimentary basement of possible n the basis of new and available geochronologic, petrographic, and geochemical data, we propose that the Coastal Sonora batholith and the eastern portion of the Peninsular Ranges batholith belong to a single magmatic arc, which was separated during the continental breakup and rifting of the Gulf of California in the Tertiary.
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Dates and versions

insu-00315592 , version 1 (29-08-2008)

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  • HAL Id : insu-00315592 , version 1

Cite

Ernesto Ramos-Velázquez, Thierry Calmus, Victor Valencia, Alexander Iriondo, Martín Valencia-Moreno, et al.. U-Pb and 40Ar/39Ar geochronology of the coastal Sonora batholith: New insights on Laramide continental arc magmatism. Revista Mexicana de Ciencias Geológicas, 2008, 25 (2), pp.314-333. ⟨insu-00315592⟩
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