Magnetostratigraphy and depositional history of the Miocene Wushan basin on the NE Tibetan plateau, China: Implications for middle Miocene tectonics of the West Qinling fault zone

2012 ◽  
Vol 44 ◽  
pp. 189-202 ◽  
Author(s):  
Zhicai Wang ◽  
Peizhen Zhang ◽  
Carmala N. Garzione ◽  
Richard O. Lease ◽  
Guangliang Zhang ◽  
...  
Keyword(s):  
Tibetan Plateau ◽  
Fault Zone ◽  
Middle Miocene ◽  
The West ◽  
Depositional History ◽  
West Qinling ◽  
History Of ◽  
Miocene Tectonics ◽  
Ne Tibetan Plateau

Generation of coeval metaluminous and muscovite-bearing peraluminous granitoids in the same composite pluton in West Qinling, NE Tibetan Plateau

Lithos ◽  
2019 ◽  
Vol 344-345 ◽  
pp. 374-392 ◽  
Author(s):  
Jun-Qiang Hu ◽  
Xiao-Wei Li ◽  
Ji-Feng Xu ◽  
Xuan-Xue Mo ◽  
Fang-Yue Wang ◽  
...  
Keyword(s):  
Tibetan Plateau ◽  
West Qinling ◽  
Ne Tibetan Plateau

scholarly journals Stratigraphy and depositional history of the Upper Palaeozoic and Triassic sediments in the Wandel Sea Basin, central and eastern North Greenland

1989 ◽  
Vol 143 ◽  
pp. 21-45
Author(s):  
L Stemmerik ◽  
E Håkansson
Keyword(s):  
Early Carboniferous ◽  
Upper Permian ◽  
Lower Permian ◽  
Late Permian ◽  
The West ◽  
Depositional History ◽  
Lower Carboniferous ◽  
Upper Carboniferous ◽  
Lithostratigraphic Units ◽  
History Of

A lithostratigraphic scheme is erected for the Lower Carboniferous to Triassic sediments of the Wandel Sea Basin, from Lockwood Ø in the west to Holm Land in the east. The scheme is based on the subdivision into the Upper Carboniferous - Lower Permian Mallemuk Mountain Group and the Upper Permian - Triassic Trolle Land Group. In addition the Upper Carboniferous Sortebakker Formation and the Upper Permian Kap Kraka Formation are defined. Three formations and four members are included in the Mallemuk Mountain Group. Lithostratigraphic units include: Kap Jungersen Formation (new) composed of interbedded limestones, sandstones and shales with minor gypsum - early Moscovian; Foldedal Formation composed of interbedded limestones and sandstones -late Moseovian to late Gzhelian; Kim Fjelde Formation composed of well bedded Iimestones - late Gzhelian to Kungurian. The Trolle Land Group includes three formations: Midnatfjeld Formation composed of dark shales, sandstones and limestones - Late Permian; Parish Bjerg Formation composed of a basal conglomeratic sandstone overlain by shales and sandstones - ?Early Triassic (Scythian); Dunken Formation composed of dark shales and sandstones - Triassic (Scythian-Anisian). The Sortebakker Formation (new) is composed of interbedded sandstones, shales and minor coal of floodplain origin. The age is Early Carboniferous. The Kap Kraka Formation (new) includes poorly known hematitic sandstones, conglomerates and shales of Late Permian age.

scholarly journals The geometry and stratigraphic position of the Maassluis Formation (western Netherlands and southeastern North Sea)

2004 ◽  
Vol 83 (2) ◽  
pp. 93-99 ◽  
Author(s):  
H.S.M. Jansen ◽  
J. Huizer ◽  
J.W.A. Dijkmans ◽  
C. Mesdag ◽  
J.E. van Hinte
Keyword(s):  
Coarse Grained ◽  
Early Pleistocene ◽  
The West ◽  
Depositional History ◽  
Offshore Area ◽  
Coastal Marine ◽  
Subtidal Environment ◽  
Stratigraphic Position ◽  
History Of ◽  
River Deposits

AbstractThe geometry and depositional history of the Maassluis Formation is described from an East-West oriented transect located in the west-central Netherlands and P- and Q-blocks in the Dutch offshore area. The Late Pliocene to Early Pleistocene Maassluis Formation was deposited under near coastal marine conditions. Two distinct facies are distinguished: (1) medium grained sands with a blocky GR/SP-log pattern that were deposited under intertidal and aeolian conditions and (2) medium to coarse grained sands deposited in a subtidal environment showing a clear coarsening upward trend. The lower part of the Maassluis Formation is laterally equivalent to the shallow marine Oosterhout Formation and gets progressively younger towards the West. The upper part is lateral equivalent to estuarine and mudflat deposits (Balk Member, c.q. Peize Formation) in the central part of The Netherlands and to river deposits (Peize Formation) further to the East.

Early and middle Miocene depositional history of the Maracaibo Basin, western Venezuela

AAPG Bulletin ◽  
2006 ◽  
Vol 90 (4) ◽  
pp. 625-655 ◽  
Author(s):  
José I. Guzmán ◽  
William L. Fisher
Keyword(s):  
Middle Miocene ◽  
Depositional History ◽  
Maracaibo Basin ◽  
History Of

scholarly journals Integrated Geophysical Evidence for the Middle-Lower Crust Melting of the Songpan-Aba Terrain, NE Tibetan Plateau

2021 ◽  
Vol 9 ◽  
Author(s):  
Chongjin Zhao ◽  
Luolei Zhang ◽  
Peng Yu ◽  
Xi Xu
Keyword(s):  
Tibetan Plateau ◽  
Magnetic Layer ◽  
Orogenic Belt ◽  
The Tibetan Plateau ◽  
The West ◽  
Magnetotelluric Data ◽  
West Qinling ◽  
The North ◽  
Weakly Magnetic ◽  
Surrounding Areas

The Songpan−Aba region is located on the northeastern edge of the Tibetan Plateau. Tectonically, the area is surrounded by the West Qinling orogenic belt in the north, the Longmenshan orogenic belt in the southeast, and the East Kunlun and Sanjiang orogenic belts in the west and southwest, forming a triangle that provides an ideal location to study the crust-mantle structure and deep tectonics of the eastward extrusion of the Tibetan Plateau. In this study, the magnetic and electrical structures of the Songpan−Aba area were investigated by inversion using high-precision magnetic anomaly and magnetotelluric data to obtain the subsurface magnetization inversion intensity and resistivity of Songpan–Aba and adjacent areas. The results revealed a continuous magnetic layer up to 20 km below Songpan–Aba and its surrounding areas in the south, possibly originating from a magma root southwest of the Longmenshan massif. In the West Qinling, Songpan–Aba, and Longmenshan areas, pervasive low-resistance, weakly magnetic, or magnetic layers were identified below 20 km that might be formed from the molten mantle material extruded from the eastern edge of the Tibetan Plateau.

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