Is the Cretaceous primitive island arc series in the circum-Caribbean region geochemically analogous to the modern island arc tholeiite series?-Reference-Cited by-同舟云学术

Is the Cretaceous primitive island arc series in the circum-Caribbean region geochemically analogous to the modern island arc tholeiite series?

Published:2009 Issue:1 Volume:328 Page:399-409
ISSN:0305-8719
Container-title:Geological Society, London, Special Publications
language:en
Short-container-title:Geological Society, London, Special Publications

Author:

Hastie Alan R.¹

Affiliation:

1. School of Earth and Ocean Sciences, Cardiff University, Main Building, Park Place, Cardiff CF10 3YE, UK (e-mail: hastiear1@cf.ac.uk)

Abstract

AbstractThe Early Cretaceous island arc lavas in the Caribbean region are frequently assigned to the primitive island arc (PIA) series and not to the island arc tholeiite (IAT) series. However, this review demonstrates that the Caribbean PIA rocks have immobile trace element abundances, trace element ratios and Nd–Hf isotope systematics which are indistinguishable from modern IAT lavas. Thus, it is proposed that the term PIA series be discarded and that the Early Cretaceous island arc rocks in the Caribbean be classified as IAT rocks.

Publisher

Geological Society of London

Subject

Geology,Ocean Engineering,Water Science and Technology

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