Abstract

Strontium isotope profiles are provided from the Austrian Salzkammergut and south-west England, two of the best available marine sections across the Triassic-Jurassic boundary. The results in the English section have been affected by diagenesis, but the Austrian results are excellent and demonstrate that, in favorable circumstances, trust-worthy Sr isotope results can be obtained from pure or nearly pure limestones, and oxygen isotope data provide the best means of obtaining an independent check. Although the Triassic-Jurassic boundary was marked by significant sea-level changes, this is not reflected in the Sr isotope results, which show no change across the boundary, in contrast to what has been claimed for the Cretaceous-Tertiary and Permian-Triassic boundaries.

This content is PDF only. Please click on the PDF icon to access.

First Page Preview

First page PDF preview
You do not currently have access to this article.