Early cretaceous volcanism in Central and Eastern Argentina during Gondwana break-up

The Resource Early cretaceous volcanism in Central and Eastern Argentina during Gondwana break-up

Label

Early cretaceous volcanism in Central and Eastern Argentina during Gondwana break-up

Statement of responsibility

Silvia Leonor Lagorio, Haroldo Vizán, Silvana Evangelina Geuna

Language

eng

Summary

This book analyzes the Early Cretaceous volcanic processes in Misiones Province and in Sierra Chica de Córdoba (Argentina). The volcanism in Misiones is tholeiitic and belongs to the Parana Magmatic Province (PMP), which extends throughout South America. In contrast, the volcanism in Córdoba is geographically restricted and of alkaline nature, representing a potassic locality peripheral to the PMP. To understand the causes of and geodynamic processes involved in these volcanisms, a new 40Ar /39Ar of 129.6 ± 1 Ma of a trachyte from Sierra Chica de Córdoba is presented. This dating points out that the volcanism in Sierra Chica de Córdoba slightly postdates PMP lavas. Moreover, complementary geochemical analyses from Misiones Province are presented and compared with those from the whole PMP in order to characterize its source

Cataloging source

N$T

Dewey number

558.2

Illustrations

illustrations

Index

index present

LC call number

QE231

Literary form

non fiction

Nature of contents

dictionaries
bibliography

Series statement

SpringerBriefs in earth system sciences,

Context

Context of Early cretaceous volcanism in Central and Eastern Argentina during Gondwana break-up

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