Age model and core-seismic integration for the Cenozoic Arctic Coring Expedition sediments from the Lomonosov Ridge

被引：186

作者：

Backman, Jan ^{[1
]}

Jakobsson, Martin ^{[1
]}

Frank, Martin ^{[2
]}

Sangiorgi, Francesca ^{[3
]}

Brinkhuis, Henk ^{[3
]}

Stickley, Catherine ^{[4
]}

O'Regan, Matthew ^{[5
,6
]}

Lovlie, Reidar ^{[7
]}

Palike, Heiko ^{[8
]}

Spofforth, David ^{[8
]}

Gattacecca, Jerome ^{[9
]}

Moran, Kate ^{[5
,6
]}

King, John ^{[5
,6
]}

Heil, Chip ^{[5
,6
]}

机构：

[1] Univ Stockholm, Dept Geol & Geochem, S-10691 Stockholm, Sweden

[2] Univ Kiel, Leibniz Inst Marine Sci, IFM, GEOMAR, D-24148 Kiel, Germany

[3] Univ Utrecht, Palaeobot & Palynol Lab, NL-3584 CD Utrecht, Netherlands

[4] Norwegian Polar Res Inst, N-9296 Tromso, Norway

[5] Univ Rhode Isl, Grad Sch Oceanog, Kingston, RI 02881 USA

[6] Univ Rhode Isl, Dept Ocean Engn, Kingston, RI 02881 USA

[7] Univ Bergen, Dept Earth Sci, N-5007 Bergen, Norway

[8] Univ Southampton, Natl Oceanog Ctr, Sch Ocean & Earth Sci, Southampton SO14 3ZH, Hants, England

[9] Univ Aix Marseille, CNRS, Ctr Europeen Rech & Enseignement Geosci, Dept Geog & Planetol, F-13545 Aix En Provence, France

来源：

PALEOCEANOGRAPHY | 2008年 / 23卷 / 01期

基金：

英国自然环境研究理事会; 英国科学技术设施理事会;

关键词：

D O I：

10.1029/2007PA001476

中图分类号：

P [天文学、地球科学];

学科分类号：

07 [理学];

摘要：

Cenozoic biostratigraphic, cosmogenic isotope, magnetostratigraphic, and cyclostratigraphic data derived from Integrated Ocean Drilling Program Expedition 302, the Arctic Coring Expedition (ACEX), are merged into a coherent age model. This age model has low resolution because of poor core recovery, limited availability of biostratigraphic information, and the complex nature of the magnetostratigraphic record. One 2.2 Ma long hiatus occurs in the late Miocene; another spans 26 Ma (18.2 - 44.4 Ma). The average sedimentation rate in the recovered Cenozoic sediments is about 15 m/Ma. Core-seismic correlation links the ACEX sediments to the reflection seismic stratigraphy of line AWI-91090, on which the ACEX sites were drilled. This seismostratigraphy can be correlated over wide geographic areas in the central Arctic Ocean, implying that the ACEX age model can be extended well beyond the drill sites.

引用

页数：15

共 65 条

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