Upper Devonian (Famennian) conodonts from radiolarian cherts, Loei Terrane, Loei Province, Northeast Thailand

Authors

  • Clive Burrett School of Physical Sciences, University of Tasmania, Sandy Bay, Box 79, Hobart, Tasmania, 7001 Australia
  • Hathaithip Thassanapak Applied Palaeontology and Biostratigraphy Research Unit, Department of Biology, Faculty of Science, Mahasarakham University, Kantarawichai, Mahasarakham 44150, Thailand
  • Mongkol Udchachon Palaeontological Research and Education Centre, Mahasarakham University, Kantarawichai, Mahasarakham 44150, Thailand

Keywords:

Conodont, Devonian, palaeoenvironment, tectonics, Indochina Terrane, chert

Abstract

Conodonts from radiolarian cherts in the Loei Terrane of Loei Province, Northeast Thailand, include Palmatolepis triangularis, P. minuta minuta, P. minuta wolskae and polygnathids and indicate a Famennian crepida Zone age. These cherts are about 20 my younger than Givetian reef limestones and are unlikely to have been deposited in a major ocean but rather in a deep marine basin close to a volcanic arc.

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31-12-2015

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Vol. 1 No. 2 (2015): JULY - DECEMBER

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