A section through the Indian Plate, Kaghan Valley, NW Himalaya, Pakistan
A section through the Indian Plate, Kaghan Valley, NW Himalaya, Pakistan
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巴基斯坦喜马拉雅山西北部卡根谷印度板块剖面图
DOI：
10.1144/gsl.sp.1993.074.01.16
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发表时间：
1993
期刊：
影响因子：
--
通讯作者：
D. Spencer
中科院分区：
文献类型：
--
作者：
A. Greco;D. Spencer
摘要本文提供了一幅地图，它总结了ETH喜马拉雅集团在巴基斯坦西北喜马拉雅地区的Kaghan山谷和邻近地区的工作。描述了印度板块一个几乎完整剖面的岩性的地层、构造和变质特征。证据表明，从前寒武纪Salkhala组的年龄到始新世Murree组已变质在各种变质等级，从非常低的等级/unmetamorphosed榴辉岩相的地层范围。还描述了与主中央冲断层有关的逆变质作用。一个大规模的构造细分的经典子，小和高喜马拉雅元素的地区可以与克什米尔喜马拉雅以东。提出了一种构造模式，认为古近纪推覆体的重褶皱和叠置是由搬运方向的逆时针旋转引起的。
Abstract A map is presented which summarizes the work of the ETH Himalayan Group in the Kaghan Valley and adjacent areas of the NW Himalaya in Pakistan. The stratigraphical, structural and metamorphic features of the lithologies belonging to a virtually complete section through the Indian plate are described. Evidence is presented which shows a stratigraphic range in ages from the Precambrian Salkhala Formation to the Eocene Murree Formation which have been metamorphosed at various metamorphic grades ranging from very low grades/unmetamorphosed to eclogite facies. An inverse metamorphism, associated with the Main Central Thrust is also described. A large-scale tectonic subdivision of the area into the classical Sub-, Lesser and Higher Himalayan elements can be correlated with the Kashmir Himalaya to the east. A tectonic model is presented which suggests that an anticlockwise rotation of the transport direction caused the refolding and stacking of the nappe piles in the Paleogene.