Did Lhasa Underthrust Beneath Qiangtang for 200 km during the Indo-Asian Collision?
Did Lhasa Underthrust Beneath Qiangtang for 200 km during the Indo-Asian Collision?
批准号:
9805340
负责人:
An Yin
金额:
$23.0万
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
项目状态:
已结题
起止时间:
1998-07-15 至 2002-06-30
中文摘要
小行星9805340 青藏高原是世界上几大高海拔地区之一,与碰撞构造有着明显的联系。 然而,隆起的实际时间和机制尚不清楚。 该项目将检查高原上的旧缝合带是否已经重新激活,如果是,位移的时间和幅度。 结果应澄清缩短的历史,高原可能被隐藏或掩盖缝合线复活,这使得更强大的了解造山带高原隆起。
英文摘要
9805340 Yin The Tibetan plateau is one of several large areas of anomalously high elevation and is clearly related to collisional tectonics. Yet the actual timing and mechanisms of uplift is unclear. This project will examine whether or not old suture zones in the plateau have been reactivated, and if so, the timing and magnitude of the displacement. Results should clarify the shortening history of the plateau that may be hidden or obscured by suture reactivation, this allowing a more robust understanding of plateau uplift in orogenic zones.
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