globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2015.06.028
论文题名:
The Kapanboğazı formation: A key unit for understanding Late Cretaceous evolution of the Pontides, N Turkey
作者: Tüysüz O.; Melinte-Dobrinescu M.C.; Yılmaz İ.Ö.; Kirici S.; Švabenická L.; Skupien P.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2016
卷: 441
起始页码: 565
结束页码: 581
语种: 英语
英文关键词: Albian–Turonian interval ; Central Pontides ; Litho- and biostratigraphy ; Palaeoenvironment ; Sinop Basin ; Tectonics
英文摘要: The Pontides forming the south-western continental margin of the Black Sea consist of two tectonic units, the Istanbul Zone in the west, and the Sakarya Zone in the central and eastern parts. The Sinop Basin in the Sakarya Zone is filled, from base to top, by Hauterivian to Albian turbidites, Cenomanian–Turonian red pelagic sediments, Turonian–Campanian magmatic-arc and related deposits, and by the uppermost Campanian to middle Eocene post-magmatic units developed on the southern passive margin of the Black Sea. Based on nannofossil, dinoflagellate, Foraminifera and Radiolaria data we describe the Kapanboğazı Formation, a Cenomanian–Turonian unit in the Sinop Basin, represented by red calcareous/siliceous pelagic shales, limestones and cherts passing gradually from the Albian black shales. These sediments possibly represent deepest depositional conditions of the basin during the Cenomanian–Turonian interval and also reflect the transition from an anoxic to an oxic palaeoenvironmental setting. The Istanbul Zone to the west was emerged during the deposition of the Kapanboğazı Formation in the Sakarya Zone. In the Pontides, red pelagic sediments were deposited at different times during the Cenomanian–Maastrichtian interval. Because the Kapanboğazı Formation was deposited only in the Sakarya Zone and because it is present in limited outcrops due to structural reorganization and thick overlying volcanoclastic pile, most previous authors assumed Cenomanian–Turonian hiatus. Herein we describe detailed palaeontological data from this unit and discuss their importance to the interpretation of depositional history and tectonics of the Black Sea region, as well as climatic and eustatic implications. © 2015 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68631
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作者单位: Istanbul Technical University, Eurasia Institute of Earth Sciences, Maslak, Istanbul, Turkey; National Institute of Marine Geology and Geo-ecology (GEOECOMAR), 23–25 Dimitrie Onciul Street, Bucharest, Romania; Middle East Technical University, Faculty of Engineering, Dept. of Geology, ODTÜ, Ankara, Turkey; Turkish Petroleum Co, Söğütözü Mahallesi 2180. Cad. 86, Çankaya, Ankara, Turkey; Czech Geological Survey, Klárov 131/3, Praha, Czech Republic; VSB, Technical University Ostrava, Faculty of Mining and Geology, Institute of Geological Engineering, 17, Listopadu 15, Poruba, Ostrava, Czech Republic

Recommended Citation:
Tüysüz O.,Melinte-Dobrinescu M.C.,Yılmaz İ.Ö.,et al. The Kapanboğazı formation: A key unit for understanding Late Cretaceous evolution of the Pontides, N Turkey[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2016-01-01,441
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