Crustal evolution studies in Labrador

拉布拉多的地壳演化研究

• 批准号: 217295-2008
• 负责人: Sylvester, Paul
• 金额: $ 2.19万
• 依托单位: Memorial University of Newfoundland
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2008
• 资助国家: 加拿大
• 起止时间: 2008-01-01 至 2009-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=393202
• 关键词: Crustal; evolution; studies; Labrador

This research programme investigates the origin of the continental crust through studies carried out in Labrador, which contains some of the most vastly distributed and poorly known tracts of ancient rocks found in Canada. It will specifically address the problem of whether Earth's crust formed in large, episodic bursts of magma from deep within the mantle, or rather more continuous outpourings of magma as might be expected from the modern style of plate tectonics that we see on Earth today. Issues of crust formation are linked inextricably to processes promoting the development of early life; for example the existence of large stable land masses would have allowed terrestrial and shallow water platforms for early organisms.

该研究方案通过在拉布拉多进行的研究调查大陆地壳的起源，拉布拉多含有加拿大发现的一些分布最广和鲜为人知的古老岩石。 它将专门解决地壳是否形成于地幔深处的大规模、间歇性岩浆爆发的问题，或者更确切地说，是我们今天在地球上看到的现代风格的板块构造所预期的更连续的岩浆涌出。 地壳的形成问题与促进早期生命发展的过程有着不可分割的联系;例如，大片稳定陆地的存在为早期生物提供了陆地和浅水平台。