New age constraints on magmatism and metamorphism of the Western Sonobari Complex and their implications for an earliest Late Cretaceous orogeny on northwestern Mexico

New age constraints on magmatism and metamorphism of the Western Sonobari Complex and their implications for an earliest Late Cretaceous orogeny on northwestern Mexico

The Western Sonobari Complex in northwestern Mexico is composed of orogenic metamorphic rocks intruded by a variety of unmetamorphosed plutons and dikes. Petrologic studies and U-Pb geochronology allow dividing the protolith of orthogneisses in the next groups: a) Lower Triassic granodiorite and qu...

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Bibliographic Details
Main Authors: Alicia Sarmiento-Villagrana, Ricardo Vega-Granillo, Oscar Talavera-Mendoza, Jesús Roberto Vidal-Solano
Format: Article
Language:English
Published: Universidad Nacional Autónoma de México 2017-05-01
Series:Revista Mexicana de Ciencias Geológicas
Subjects:
U-Pb geochronology
Mesozoic magmatism
orogenic metamorphism
Sonobari Complex
NW Mexico.
Online Access:https://rmcg.unam.mx/index.php/rmcg/article/view/494
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https://rmcg.unam.mx/index.php/rmcg/article/view/494

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