Silica oxygen isotope record of core PC10 diatoms from the Bransfield Strait, Antarctica and its application in sedimentology

极地研究 ›› 1998, Vol. 9 ›› Issue (1-English): 1-8.

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Silica oxygen isotope record of core PC10 diatoms from the Bransfield Strait, Antarctica and its application in sedimentology

Duan Weiwu¹, Li Xuejie¹ and Shen Youlin²

¹Guangzhou Marine Geological Survey, MGMR, Guangzhou 510075, China ²Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China

出版日期:1948-03-30 发布日期:1948-03-30
通讯作者: Duan Weiwu

Silica oxygen isotope record of core PC10 diatoms from the Bransfield Strait, Antarctica and its application in sedimentology

Duan Weiwu¹, Li Xuejie¹ and Shen Youlin²

¹Guangzhou Marine Geological Survey, MGMR, Guangzhou 510075, China ²Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China

Online:1948-03-30 Published:1948-03-30
Contact: Duan Weiwu

摘要/Abstract

摘要：

51 diatom samples taken from the piston core PC10 in the Bransfield Strait of West Antarctica were determined by using silica oxygen isotope analysis.The diatom-based results reveal that the 753 cm long core PC10 was deposited in the area in the last 112.5 ka B. P., representing 1-5 oxygen isotopic stages and including one incomplete glacial/interglacial cycle and a postglacial period. The sedimentation rate in interglacial period seems to be a little higher than that in glacial, owing to the more terrigenous supply by ice-rafting during the interglacial stages.

关键词: Antarctica, Bransfield Strait, diatom oxygen isotope, sedimentology

Abstract:

Key words: Antarctica, Bransfield Strait, diatom oxygen isotope, sedimentology

Duan Weiwu, Li Xuejie, Shen Youlin. Silica oxygen isotope record of core PC10 diatoms from the Bransfield Strait, Antarctica and its application in sedimentology[J]. 极地研究, 1998, 9(1-English): 1-8.

Duan Weiwu, Li Xuejie, Shen Youlin. Silica oxygen isotope record of core PC10 diatoms from the Bransfield Strait, Antarctica and its application in sedimentology[J]. ADVANCES IN POLAR SCIENCE, 1998, 9(1-English): 1-8.

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Silica oxygen isotope record of core PC10 diatoms from the Bransfield Strait, Antarctica and its application in sedimentology

Silica oxygen isotope record of core PC10 diatoms from the Bransfield Strait, Antarctica and its application in sedimentology

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