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Bayetgoll, Aram, Daraei, Mehdi. (1396). Ichnotaxonomic analysis of trace fossil assemblages of the Upper Triassic Nayband Formation, Tabas Block, Central Iran. , 7(2), 199-218. doi: 10.22059/geope.2017.223046.648285
Aram Bayetgoll; Mehdi Daraei. "Ichnotaxonomic analysis of trace fossil assemblages of the Upper Triassic Nayband Formation, Tabas Block, Central Iran". , 7, 2, 1396, 199-218. doi: 10.22059/geope.2017.223046.648285
Bayetgoll, Aram, Daraei, Mehdi. (1396). 'Ichnotaxonomic analysis of trace fossil assemblages of the Upper Triassic Nayband Formation, Tabas Block, Central Iran', , 7(2), pp. 199-218. doi: 10.22059/geope.2017.223046.648285
Bayetgoll, Aram, Daraei, Mehdi. Ichnotaxonomic analysis of trace fossil assemblages of the Upper Triassic Nayband Formation, Tabas Block, Central Iran. , 1396; 7(2): 199-218. doi: 10.22059/geope.2017.223046.648285

Ichnotaxonomic analysis of trace fossil assemblages of the Upper Triassic Nayband Formation, Tabas Block, Central Iran

Geopersia
مقاله 3، دوره 7، شماره 2 - شماره پیاپی 22287825، مهر 2017، صفحه 199-218    اصل مقاله (1.52 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22059/geope.2017.223046.648285
نویسندگان
Aram Bayetgoll* 1؛ Mehdi Daraei2
1Department of Earth Sciences, Institute for Advanced Studies in Basic Sciences (IASBS), P.O. Box 45195-1159, Zanjan, Iran
2Department of Earth Sciences,Center for Research in 2Contemporary Basic Sciences and Technologies
چکیده
This study includes a thorough systematic analysis of the ichnological record in the Late Triassic siliciclastic Nayband Formation of the Tabas Block, Central Iran. A total of 48 ichnospecies representing 28 ichnogenera are identified and their preservation aspects, paleoecological aspects, producers and behavioral aspects are discussed. The ichnofauna includes Arenicolites, Asterosoma, Bergaueria, Chondrites, Cochlichnus, Cylindrichnus, Diplocraterion, Helminthopsis, Gordia, Gyrochorte, Lockeia, Macaronichnus, Monocraterion, Ophiomorpha, Palaeophycus, Paleodictyon, Phycodes, Phycosiphon, Planolites, Protovirgularia, Rhizocorallium, Rosselia, Scolicia, Skolithos, Taenidium, Teichichnus, and Thalassinoides. The high ichnodiversity and bioturbation intensity of the Nayband trace fossil suite seem to represent proliferation of epifaunal and infaunal habits, experiencing a high diversification of marine communities after the drastic reorganization of marine ecosystems during the Late Triassic. Further studies focused on the ichnological
signatures of these deposits will provide more detailed information to improve the current paleoecologic and paleoenvironmental interpretations of the Nayband Formation deposits.
کلیدواژه‌ها
Ichnotaxonomic analysis, Nayband Formation؛ Upper Triassic, diversification
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