Provenance of recycled palynomorph assemblages recovered from surficial glaciomarine sediments in Bransfield Strait, offshore Antarctic Peninsula

被引：7

作者：

Yi, S

Batten, DJ

Lee, SJ

机构：

[1] Korea Inst Geosci & Mineral Resources, Quaternary Environm Res Grp, Geol & Environm Hazards Div, Taejon 305350, South Korea

[2] Univ Manchester, Sch Earth Atmospher & Environm Sci, Manchester M13 9PL, Lancs, England

[3] Univ Wales, Inst Geog & Earth Sci, Aberystwyth SY23 3DB, Dyfed, Wales

[4] Kyungpook Natl Univ, Dept Geol, Taegu 702701, South Korea

来源：

CRETACEOUS RESEARCH | 2005年 / 26卷 / 06期

关键词：

palynofloras; recycling; Bransfield Strait; Antarctic Peninsula;

D O I：

10.1016/j.cretres.2005.06.004

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Glaciomarine surficial sediments in cores taken from Bransfield Strait, adjacent to the Antarctic Peninsula, have yielded abundant recycled and contemporaneous (Pleistocene-Holocene) palynomorphs. The former are derived principally from Late Cretaceous-Palaeogene sediments and provide information on glaciomarine depositional conditions and sediment source areas. The composition of the assemblages suggests that they reflect vegetation that was endemic to the Weddellian Biogeographic Province, which includes what is now Seymour Island, James Ross Island and other parts of the Antarctic Peninsula region. The sediments concerned are considered to have accumulated as a result of ice-rafting and discharge of subglacial meltwater. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：906 / 919

页数：14

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