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Seychelles alkaline suite records the culmination of Deccan Traps continental flood volcanism

Date

Authors

Owen-Smith, T M

Ashwal, L. D.

Torsvik, Trond H.

Ganerod, M

Nebel, Oliver

Webb, S J

Werner, S C

Publisher

Elsevier

Abstract

Silhouette and North Islands in the Seychelles represent an alkaline plutonic-volcanic complex, dated at 63 to 63.5Ma by U-Pb zircon and 40Ar/39Ar methods. This magmatism coincides with the final stages of the cataclysmic Deccan Traps continental flood vo

Keywords

Keywords: Deccan Traps; fractional crystallization; igneous geochemistry; isotopic composition; magmatism; mantle plume; mantle source; Mascarene Islands; Reunion; Seychelles Alkaline magmatism; Deccan Traps; Isotope geochemistry; Réunion mantle plume; Seychelles

URI

http://hdl.handle.net/1885/75201

Collections

ANU Research Publications

Source

Lithos

Type

Journal article

DOI

10.1016/j.lithos.2013.09.011

Restricted until

2037-12-31

Downloads

File

Description

01_Owen-Smith_Seychelles_alkaline_suite_2013.pdf (2.95 MB)