Cambrian Paleogeography of the West African Craton: An International Paleomagnetic Collaboration

西非克拉通寒武纪古地理：国际古地磁合作

• 批准号: 9725577
• 负责人: Joseph Kirschvink
• 金额: $ 5.57万
• 依托单位: California Institute of Technology
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1998
• 资助国家: 美国
• 起止时间: 1998-01-01 至 2000-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9725577&HistoricalAwards=false
• 关键词: Cambrian; Paleogeography; West; African; Craton

9725577 Kirschvink A coherent, global paleogeography of Cambrian time has begun to emerge during the last decade, although numerous questions remain. This project is aimed at resolving one of these-whether the Cambrian rocks from the Anti-Atlas Mountains in Morocco, along the northern margin of the west African craton, originated on this craton or was not yet a part of the Gondwana assembly until after the early Cambrian. Paleomagnetic poles will be obtained and corrected in order to test for Cambrian allochtoneity between these rocks and the rest of Gondwana. Results are expected to considerably clarify the timing and geometry of the final assembly of the Gondwana supercontinent.

小行星9725577 在过去的十年里，一个连贯的、全球性的寒武纪古地理学已经开始出现，尽管仍然存在许多问题。 该项目旨在解决这些问题之一，无论是从反阿特拉斯山脉在摩洛哥，沿着北方边缘的西非克拉通的寒武纪岩石，起源于该克拉通或尚未冈瓦纳组装的一部分，直到早寒武纪之后。 古磁极将被获得和校正，以测试寒武纪这些岩石和冈瓦纳大陆其余部分之间的他构性。 预计结果将大大澄清冈瓦纳超大陆最终组装的时间和几何形状。