The Upper Sinemurian ammonite succession in the Sierra Madre Oriental (Mexico)

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The Upper Sinemurian ammonite succession in the Sierra Madre Oriental (Mexico)

Journal Title: Volumina Jurassica - Year 2009, Vol 7, Issue 1

Abstract

In the Sierra Madre Oriental (Mexico), the biostratigraphic subdivision of the Upper Sinemurian can be refined. It has been possible to differentiate 11 horizons from the upper Obtusum Zone to the top of the Raricostatum Zone which are correlated with the NW European standard zonation. The index species of each horizon is figured.

Authors and Affiliations

Christian MEISTER, Joachim BLAU, Jean-Louis DOMMERGUES, Rudolf SCHLATTER, Reinhard SCHMIDT-EFFING

Keywords

ammonites Early Jurassic Sinemurian biostratigraphy Mexico Sierra Madre Oriental

ROLA PRZYWÓDZTWA W PROCESIE KIEROWANIA ORGANIZACJĄ POLICJI

Notes on the evolution of the ammonite families Aulacostephanidae and Cardioceratidae and the stratigraphy of the uppermost Oxfordian and lowermost Kimmeridgian in the Staffin Bay sections (Isle of Skye, Northern Scotland)

Detailed study of all the ammonite collections gathered by the authors in the Staffin Bay sections has resulted in minor changes in the distribution of ammonite taxa, and slight modification of the position of the Oxford...

EP ID EP67922
DOI -
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