首页> 外文期刊>Journal of nannoplankton research: A publication of the International Nannoplankton Association >IODP Expedition 346 'Asian Monsoon': calcareous nannofossil biostratigraphic and paleoenvironmental synthesis
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IODP Expedition 346 'Asian Monsoon': calcareous nannofossil biostratigraphic and paleoenvironmental synthesis

机译:Iodp Expedition 346“亚洲季风”:钙质Nannofossil生物数据库和古环境合成

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摘要

Integrated Ocean Drilling Program (IODP) Expedition 346 (July 29-September 27, 2013) from Valdez, Alaska to Busan, South Korea, drilled seven sites in the Japan, Yamato, and Ulleung Basins in the mid-latitude northwest Pacific Ocean, and two additional sites in the East China Sea. The expedition recovered 6135.3 m of sediment core, which is a new record for core recovery for IODP expeditions. The nine sites covered a wide range of latitudes (~32° to ~44°N) and water depths (330 to 3429 m below sea level (mbsl)), and recorded deposition that was influenced by a variety of oceanic currents. All nine sites were investigated for calcareous nannofossils, and a total of 632 samples were taken on board ship from the core catcher and split cores. Although all documented assemblages lacked typical warm-water taxa, such as discoasters, it was still possible to generate consistent age models with the use of shipboard biostratigraphy and magnetostratigraphy.
机译:综合海洋钻井计划(IoDP)探险队(2013年7月29日至2013年7月27日)来自Valdez,阿拉斯加,韩国釜山,在日本,山谷和蔚蓝西北地区中际海洋中钻了七个地点, 东海的两个其他地点。 探险队恢复了6135.3米的沉积物核心,这是IODP探险队的核心恢复的新记录。 九个遗址涵盖了各种纬度(〜32°至〜44°N)和水深(海拔330至3429米(MBSL)),并记录受各种海洋电流影响的沉积。 针对钙质Nannofosss调查了所有九个网站,并在核心捕集器和分裂核心船上进行了632个样品。 虽然所有记录的装配缺乏典型的温水分类群,如探索器,但仍然可以通过使用船上生物数据和磁性数据来产生一致的年龄模型。

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