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Using conodont elements to distinguish permian-triassic boundary disconformity near haftad gholleh, central iran

Yousefirad, Mostafa (2013) Using conodont elements to distinguish permian-triassic boundary disconformity near haftad gholleh, central iran. Earth Sciences Research Journal; Vol. 17, núm. 1 (2013) Earth Sciences Research Journal; Vol. 17, núm. 1 (2013) 2339-3459 1794-6190 .

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URL oficial: http://revistas.unal.edu.co/index.php/esrj/article...

Resumen

The present study focuses on stratigraphy of the Permo-Triassic boundary in the Haftad Gholleh in the east Arak and north of the Mahallat, which is located in central Iran. This boundary is an erosional unconformity or disconformity and as in other Iranian sequences related to the Permian contains dolomitic limestone and shale and sandstone that is disconformably located below the Triassic sequence. A detailed measured stratigraphic section has provided conodonts for the Permian–Triassic boundary (PTB) sequences at the studied area. Three conodont zones have been recognized, wich place the PTB in this section by precise biostratigraphy. The of the most upper Permian sequence belongs to the Guadalupian. The Triassic sequence consists of vermiculate limestone layers with colored shale interbeds that belong to the Early triassic therefore, the unconformity at the of Permo-Triassic boundary is a hiatus of about 10 million years.

Tipo de documento:Artículo - Article
Palabras clave:Conodont, Haftad Gholleh, Permo-Triassic, Stratigraphy
Unidad administrativa:Revistas electrónicas UN > Earth Sciences Research Journal
Código ID:33854
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :01 Julio 2014 11:06
Ultima modificación:18 Agosto 2014 20:28
Ultima modificación:18 Agosto 2014 20:28
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