Triassic conodont biostratigraphy in the Malay Peninsula

Author : I. Metcalfe
Publication : Bulletin of the Geological Society of Malaysia
Page : 133-145
Volume Number : 26
Year : 1990

Bulletin of the Geological Society of Malaysia, Volume 26, April 1990, pp. 133 – 145

Triassic conodont biostratigraphy in the Malay Peninsula


Institute for Advanced Studies, University of Malaya, Kuala Lumpur, Malaysia

Abstract: Conodonts representative of the Lower, Middle and Upper Triassic are now known in the Malay Peninsula and all the Triassic Stages except the Rhaetian are represented. The best known sequence of Triassic conodonts occurs in the Kodiang Limestone of Kedah but there are still significant gaps in the known conodont succession. In particular, Griesbachian and Dienerian conodonts are poorly known and conodonts representative of the Upper Spathian, Lower Ladinian, Middle and Upper Norian and Rhaetian are unknown. New data from the Kodiang Limestone of Bukit Mulong and Bukit Kepelu help to fill some of these gaps in the Carnian and Norian conodont succession. The Chuping Limestone of Perlis has also recently yielded some Lower Norian conodonts which implies a correlation with the Kodiang Limestone to the south. Other recent discoveries include early Late Triassic (Lower Carnian) conodonts from the Chert Member of the Semanggol Formation, Kedah, Early Triassic (Spathian) conodonts from north-west Pahang and Early Triassic (upper Dienerian) and Middle Triassic (upper Anisian) conodonts from the Jerus Limestone, Cheroh, west Pahang.

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