首页> 外文期刊>Journal of nannoplankton research: A publication of the International Nannoplankton Association >The calcareous nannofossil record in the Cretaceous-Paleogene boundary interval of the Mudurnu-Goynuk Basin, NW Turkey: implications for intercalibration and reliability of nannofossil biohorizons
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The calcareous nannofossil record in the Cretaceous-Paleogene boundary interval of the Mudurnu-Goynuk Basin, NW Turkey: implications for intercalibration and reliability of nannofossil biohorizons

机译:在Mudurnu-Goynuk盆地的Cretace-Paleogene边界间隔中的钙质Nannofossil记录,NW Turkey:对Nannofossil Biohorizons的闭层和可靠性的影响

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摘要

We present the first high-resolution nannofossil record across the Cretaceous-Paleogene (K/Pg) boundary interval for three sections (Okcular, Hacimahmut, and Goynuk North) that were recently discovered and characterized by Acikalin et al. (2015) in the Mudurnu-Goynuk Basin, NW Turkey. All the sections display the same expanded hemipelagic succession: alternation of mudstones/siltstones intercalated by thin sandstone beds in the topmost Maastrichtian and rhythmic alternation of mudstone and limestone beds in the basal Danian.
机译:我们在最近发现和特征的三个部分(Okcular,HaCimahmut和Goynuk North)上的白垩纪 - 古常(K / PG)边界间隔中的第一个高分辨率Nannofossil记录是acikalin等。 (2015)在Mudurnu-Goynuk盆地,NW土耳其。 所有这些部分都显示出相同的扩展偏瘫连续:Maetrichtian最顶层Maastrichtian中薄砂岩床嵌入的Mudstones / Siltstone的交替和Basal Danian中的泥岩和石灰石床的节奏交替。

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