Transatlantic d13C correlation and establishment of New-World reference curves for the potential d13C definition of stage/substage boundaries in the Turonian and Coniacian (Upper Cretaceous).
跨大西洋 d13C 相关性和新世界参考曲线的建立,用于土伦阶和科尼亚阶(上白垩统)阶段/亚阶段边界的潜在 d13C 定义。
基本信息
- 批准号:26846977
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2006
- 资助国家:德国
- 起止时间:2005-12-31 至 2008-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The high-resolution correlation potential of d13C bulk-rock curves for intercontinental correlation is not yet exploited for Turonian to Coniacian (Upper Cretaceous) rocks. Although the well established d13C correlation framework of Europe exhibit curves with a vivid course with significant peaks, spikes or plateaus with an excellent value for stratigraphy, most high resolution correlations are restricted to basins within Europe in the interval considered. Therefore, this project ¿ for the first time ¿ aims at the establishment of a d13C correlation network between Brazil, Mexico and Europe. By this, biostratigraphic correlation inaccuracies caused by selective sampling, biogeography or facies dependency of index-taxa can easily be overcome, which aids calibration of any biozonations. The verification of two significant d13C marker in the Middle/Upper Turonian boundary interval and at the Turonian/Coniacian boundary is expected. This proof will justify the definition of the Middle/Upper-Turonian boundary by a wide-spread positive spike (Pewsey Event). The Lengerich section (Germany) is considered as a potential GSSP. In context with the Turonian/Coniacian boundary formalization (proposed GSSP Salzgitter-Salder, Germany), a negative peak at the boundary needs urgently to be considered as an additional/alternative chronostratigraphic boundary marker.
d13 C块体岩石曲线的高分辨率对比潜力尚未开发的洲际对比土伦至Coniacian(上白垩统)的岩石。虽然欧洲成熟的d13 C对比框架显示出具有明显的峰值、尖峰或高原的生动过程的曲线,具有极好的地层价值,但大多数高分辨率对比仅限于所考虑区间内的欧洲盆地。因此,该项目首次旨在建立巴西,墨西哥和欧洲之间的d13 C相关网络。通过这种方法,可以很容易地克服由选择性取样、地理学或指数分类单元的相依赖性引起的生物地层对比的不准确性,这有助于任何生物分区的校准。预计将在中/上Turonian边界层和Turonian/Coniacian边界验证两个重要的d13 C标记。这个证明将证明中/上土仑边界的定义是由一个广泛分布的正尖峰(Pewsey事件)。Lengerich段(德国)被视为潜在的GSSP。在Turonian/Coniacian边界正式化(GSSP Salzgitter-Salder,德国)的背景下,迫切需要考虑将边界处的负峰作为额外/替代的年代地层边界标志。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Privatdozent Dr. Frank Wiese其他文献
Privatdozent Dr. Frank Wiese的其他文献
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{{ truncateString('Privatdozent Dr. Frank Wiese', 18)}}的其他基金
Linking global change and deep-sea macrobenthos diversity – bathyal Atelostomata as a model taxon.
将全球变化与深海大型底栖动物多样性联系起来 – 深海 Atelostomata 作为模型分类单元。
- 批准号:
408168002 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Quantitative assessment and palaeoecologic significance of Turonian c-dinocysts assemblages in a high-resolution stratigraphic basin to basin margin transect
高分辨率地层盆地至盆地边缘断面土伦纪c-恐龙囊组合的定量评估和古生态意义
- 批准号:
58938635 - 财政年份:2008
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Research Grants
Diversitätsveränderungen oberkretazischer Ammonitenfaunen in ausgewählten Zeitscheiben (0.-Cenoman bis M.-Coniac) und ihre Beziehung zu Meeresspiegel-Schwankungen
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5270094 - 财政年份:2000
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Research Grants
Ammoniten-Paläobiogeographie und Migrationsereignisse im Turon und Unter-Coniac Europas und Nordafrikas sowie möglicher Einfluß von Meeresspiegelschwankungen und Abkühlungsereignissen
欧洲和北非土伦阶和下科尼亚克阶菊石的古生物地理和迁移事件以及海平面波动和变冷事件的可能影响
- 批准号:
5099926 - 财政年份:1998
- 资助金额:
-- - 项目类别:
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