Correlation of major geological units between southern India and Sri Lanka and tectonic models for East Gondwana amalgamation

印度南部与斯里兰卡主要地质单元对比与东冈瓦纳拼合构造模式

• 批准号: 244555577
• 负责人: Professor Dr. Alfred Kröner (†)
• 金额: --
• 依托单位: Institut für Geowissenschaften
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2013
• 资助国家: 德国
• 起止时间: 2012-12-31 至 2015-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/244555577?language=en
• 关键词: Correlation; major; geological; units; between

Field investigations of granulite-facies metasedimentary and granitoid assemblages in the Madurai and Trivandrum Blocks of southern India, followed by zircon dating, petrological characterisation as well as Sm-Nd and Hf-in-zircon isotopic characteristics with the aim to establish the age and petrogenesis of these rocks and compare them with similar associations in Sri Lanka. The overall purpose is to correlate major crustal units between southern India and Sri Lanka for the first time and to reconstruct the amalgamation of East Gondwana.

对印度南部马杜赖和特里万得勒姆地块麻粒岩相变质沉积岩和花岗岩组合进行了实地调查，随后进行了锆石定年、岩石学特征以及锆石中钐钕和铪同位素特征的研究，目的是确定这些岩石的年龄和岩石成因，并将其与斯里兰卡的类似组合进行比较。总的目的是第一次将印度南部和斯里兰卡之间的主要地壳单位联系起来，并重建东冈瓦纳的合并。