A Balanced Cross-Section Across the Central Nepal Siwalik Hills; Hitauda to Amlekhganj

Schelling, Daniel; Cater, John; Seago, Rob; Ojha, T.P.

A Balanced Cross-Section Across the Central Nepal Siwalik Hills; Hitauda to Amlekhganj

Schelling, Daniel; Cater, John; Seago, Rob et al.

北海道大学理学部紀要, 1991, 23(1), 1-9

Permalink : https://hdl.handle.net/2115/36770

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アクセス権	open access
URI	https://hdl.handle.net/2115/36770
タイトル	A Balanced Cross-Section Across the Central Nepal Siwalik Hills; Hitauda to Amlekhganj
著者	Schelling, Daniel ; Cater, John ; Seago, Rob ; Ojha, T.P.
著者名 Schelling, Daniel
著者名 Cater, John
著者名 Seago, Rob
著者名 Ojha, T.P.
言語	英語
発行日	1991-07
出版者	北海道大学
出版者	Hokkaido University
収録物名	北海道大学理学部紀要
収録物名	Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy
巻(号)	23(1)
ページ	1-9
抄録	A balanced cross-section has been constructed across the Sub-Himalayan Siwalik Hills of the Hitauda-Amlekhganj region of central Nepal in order to determine the structural geometry of the region and to calculate tectonic shortening. The central Nepal Sub-Himalaya is underlain by a basal detachment fault, the Main Detachment Fault (MDF) which lies at a depth of about 6 km beneath the Sub-Himalaya. The Main Boundary Thrust (MBT), the Main Dun Thrust (MDT) and the Main Frontal Thrust (MFT) are all splay thrusts off of the MDF which ramp up-section through the 6 km thick Siwalik sedimentary prism with no major intervening thrust flats; the central Nepal Sub-Himalaya thus has an emergent imbricate-fan geometry. North-south shortening across the Hitauda-Amlekhganj Sub-Himalaya has been approximately 17 km, or 40% shortening. The MBT has accommodated a minimum of another 15 km of horizontal north-south shortening as well.
資源タイプ	紀要論文
出版タイプ	Version of Record
PISSN	0018-3474