Major and minor element signatures of OC-rich Paleogene sediments from Lomonosov-Ridge (IODP Leg 302)
罗蒙诺索夫海岭富含 OC 的古近纪沉积物的主量和微量元素特征(IODP Leg 302)
基本信息
- 批准号:12877501
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Infrastructure Priority Programmes
- 财政年份:2005
- 资助国家:德国
- 起止时间:2004-12-31 至 2009-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The focus of the proposed project lies on medium- and high-resolution geochemical records of major and minor elements in specific Paleogene OC-rich sediments recovered during IODP Leg 302 on Lomonosov-Ridge, particularly the zebra-layer and the PETM. The Arctic Ocean represents an important archive of changing oceanic circulation and therefore global climate and to date has not been accessible for geochemical proxy-investigations. Now material from Lomonosov-Ridge has been made available through the successful ACEX drilling campaign. The aim of this proposal is to provide a general geochemical characterization of the Paleogene sedimentary record, and collaborative investigation of distinct intervals, i.e. the zebra-layer , by means of major elements and to test several paleoenvironmental hypotheses using diagnostic trace metals (TM), such as Ag, Cd, Re, Mo, V, and Zn. Modern analogues of organic carbonrich sedimentation typically are enriched in TM. The enrichment patterns provide useful information deciphering the paleoenvironment of deposition and paleoceanographic setting. Furthermore major elements contain important information on the provenance of terrigenous detrital material and the weathering regime in the hinterland. The following questions will be addressed by this proposal: To what degree are specific TM found enriched in Paleogene OC-rich sediments and how do they vary with time in relation to correlative micropaleontological and organic geochemical proxies? What are the paleoenvironmental and paleoceanographic consequences that may be deduced from major and minor element patterns, particularly with respect to the zebra-layer , Azolla freshening and the P/E boundary events? What are the most likely sources for TM enrichments and are there any indications for a freshwater contribution? How do trace metal enrichments in Paleogene OC-rich sediments compare with those from Cretaceous settings and modern analogues of OC-rich sedimentation? What is the significance of TM enrichments in Arctic Paleogene OC-rich sediments in relation to global TM cycles and basin-wide TM budgets?
拟议项目的重点在于中,高分辨率的地球化学记录的主要和次要元素在特定的古近纪OC丰富的沉积物中恢复在IODP腿302罗蒙诺索夫岭,特别是斑马层和PETM。北冰洋代表了海洋环流变化的重要档案,因此是全球气候的重要档案,迄今为止还无法进行地球化学代理调查。现在,通过成功的ACEX钻探活动,已经可以获得来自罗蒙诺索夫岭的材料。该建议的目的是提供古近纪沉积记录的一般地球化学表征,并通过主要元素对不同的间隔(即斑马层)进行合作调查,并使用诊断性微量金属(TM)(如Ag、Cd、Re、Mo、V和Zn)测试几种古环境假设。富有机碳沉积的现代类似物通常富含TM。富集模式提供了有用的信息破译沉积的古环境和古海洋环境。此外,常量元素包含了重要的信息,陆源碎屑物质的来源和风化制度在内地。以下问题将解决这个建议:在何种程度上是特定的TM发现富含古近系OC沉积物,以及它们如何随时间变化的关系,相关的微体古生物和有机地球化学代理?什么是古环境和古海洋学的后果,可以推断出从主要和次要的元素模式,特别是相对于斑马层,红萍刷新和P/E边界事件?什么是最有可能的TM富集源,是否有任何淡水贡献的迹象?如何在古近系富含有机碳沉积物中的微量金属富集与那些从白垩纪背景和现代类似的富含有机碳沉积物相比?北极古近纪富含有机碳沉积物中的TM富集与全球TM循环和全流域TM收支的关系有何意义?
项目成果
期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Surface water productivity and paleoceanographic implications in the Cenozoic Arctic Ocean
新生代北冰洋地表水生产力及其古海洋学意义
- DOI:10.1029/2007pa001455
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:Knies J;Mann U;Popp B;Stein R;Brumsack H-J
- 通讯作者:Brumsack H-J
Paleoenvironmental implications of Cenozoic sediments from the central Arctic Ocean (IODP Expedition 302) using inorganic geochemistry
利用无机地球化学研究北冰洋中部新生代沉积物(IODP Expedition 302)的古环境影响
- DOI:10.1029/2009pa001860
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:März C;Schnetger B;Brumsack H-J
- 通讯作者:Brumsack H-J
A Siliceous Microfossil View of Middle Eocene Arctic Paleoenvironments
中始新世北极古环境的硅质微化石观
- DOI:10.1029/2007pa001485
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:Stickley CE;Koç N;Brumsack H-J;Jordan RW;Suto I
- 通讯作者:Suto I
Mid‐Cenozoic tectonic and paleoenvironmental setting of the central Arctic Ocean
北冰洋中部新生代构造与古环境背景
- DOI:10.1029/2007pa001559
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:O’Regan M;Moran K;Backman J;Jakobsson M;Sangiorgi F;Brinkhuis H;Pockalny R;Skelton A;Stickley C;Brumsack H-J;Willard D
- 通讯作者:Willard D
A 26 million year gap in the central Arctic record at the greenhouse-icehouse transition: looking for clues
温室-冰库转变期间北极中部记录的2600万年差距:寻找线索
- DOI:10.1029/2007pa001477
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:Sangiorgi F;Brumsack H-J;Willard DA;Brinkhuis H;Schouten S;Stickley CE;O'Regan M;Reichart G-J;Sinninghe Damste J
- 通讯作者:Sinninghe Damste J
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Professor Dr. Hans-Jürgen Brumsack其他文献
Professor Dr. Hans-Jürgen Brumsack的其他文献
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{{ truncateString('Professor Dr. Hans-Jürgen Brumsack', 18)}}的其他基金
Biogeochemical processes in sandy beach sediments of Spiekeroog Island and Majorca
斯皮克罗格岛和马略卡岛沙滩沉积物的生物地球化学过程
- 批准号:
288572447 - 财政年份:2016
- 资助金额:
-- - 项目类别:
Research Grants
Inorganic- and organic-geochemical proxies for ice rafting, river input, and early diagenesis in Quaternary Arctic Ocean sediments
第四纪北冰洋沉积物中冰漂流、河流输入和早期成岩作用的无机和有机地球化学代理
- 批准号:
224903113 - 财政年份:2012
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
The geochemical response of sedementary archives to rapid recent glacier retreat at WAP: from source to sink
沉积档案对 WAP 最近冰川快速退缩的地球化学响应:从源头到汇
- 批准号:
131194650 - 财政年份:2009
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
The past and present trace metal budget of the Black Sea - A comparison of the Holocene and Eemian marine ingression
黑海过去和现在的微量金属预算——全新世和埃米亚海洋入侵的比较
- 批准号:
145942470 - 财政年份:2009
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Climate Cycles and Events in the Plio-Pleistocene of the Yermak Plateau, Arctic Ocean: Causes and Consequences
北冰洋叶尔马克高原上皮里奥-更新世的气候循环和事件:原因和后果
- 批准号:
49004616 - 财政年份:2007
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Biogeochemische Untersuchungen im Schwarzen Meer auf der Meteor-Fahrt M72/5
流星巡航 M72/5 在黑海进行生物地球化学调查
- 批准号:
33605919 - 财政年份:2006
- 资助金额:
-- - 项目类别:
Priority Programmes
Simulierte Transgression als Folge der Rückdeichung des Langeooger Sommerpolders: Sukzession und Dynamik im litoralen Faziesraum
Langeooger 夏季圩田重新筑堤造成的模拟海侵:沿海相区的演替和动态
- 批准号:
5435005 - 财政年份:2004
- 资助金额:
-- - 项目类别:
Research Grants
High-resolution geochemical records of black shale deposition in the tropical Cretaceous Atlantic Ocean (Demerara Rise, ODP Leg 207)
热带白垩纪大西洋黑色页岩沉积的高分辨率地球化学记录(德梅拉拉隆起,ODP 207 段)
- 批准号:
5411526 - 财政年份:2003
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Sulfur biogeochemistry of pore waters and sediments from ODP Leg 207, Demerara Rise
德梅拉拉海隆 ODP Leg 207 孔隙水和沉积物的硫生物地球化学
- 批准号:
5411840 - 财政年份:2003
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Geochemical signatures of Holocene sediments of the western Black Sea and the Sea of Marmara: Early diagenesis and paleoclimate (M 51/4)
黑海西部和马尔马拉海全新世沉积物的地球化学特征:早期成岩作用和古气候(M 51/4)
- 批准号:
5384049 - 财政年份:2002
- 资助金额:
-- - 项目类别:
Priority Programmes
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Minor 极小k-连通图的刻画
- 批准号:11126321
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