Tectonic drivers of extreme metamorphism in Eastern Indonesia
Tectonic drivers of extreme metamorphism in Eastern Indonesia
批准号:
DE160100128
负责人:
Dr Jonathan Pownall
金额:
$25.8万
依托单位国家:
澳大利亚
项目类别:
Discovery Early Career Researcher Award
财政年份:
2016
资助国家:
澳大利亚
项目状态:
已结题
起止时间:
2016-01-04 至 2019-01-03
中文摘要
该项目旨在研究印度尼西亚东部(超)高温变质作用的构造驱动因素。俯冲带--地球的一个板块坍塌到另一个板块之下--驱动着山带的形成,并产生高压和高温变质岩。然而,在研究成熟的山带时,通常很难解释到底是如何涉及俯冲的。印度尼西亚东部是少数几个可以将活跃的俯冲与现代造山直接联系在一起的地方之一。更好地了解复杂的俯冲动力学和山脉带是如何形成的,旨在帮助地震多发地区进行自然灾害评估。
英文摘要
This project intends to investigate the tectonic drivers of (ultra-)high temperature metamorphism in eastern Indonesia. Subduction zones – where one of Earth's plates collapses beneath another – drive the formation of mountain belts and produce high pressure and high temperature metamorphic rocks. However, it is typically very difficult when investigating mature mountain belts to interpret how subduction was exactly involved. Eastern Indonesia is one of the few places where active subduction can be linked directly to recent mountain building. Better understanding of how complex subduction dynamics and how mountain belts form is intended to assist natural hazard assessment in earthquake-prone areas.
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