Formation mechanism of the North–South Gravity Lineament in eastern China

Gravity lineaments are well recognized along plate boundaries and in the interiors of oceanic plates. However, the formation mechanism of intracontinental gravity lineaments remains poorly understood. The North–South Gravity Lineament (NSGL), which extends >4000 km from Russia to South China, is...

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Veröffentlicht in:	Tectonophysics 2021-11, Vol.818, p.229074, Article 229074
Hauptverfasser:	Deng, Yangfan, Xu, Yi-Gang, Chen, Yun
Format:	Artikel
Sprache:	eng
Schlagworte:	Composition Cratons Crustal density Crustal thickness Depth profiling Gravity anomalies Gravity modeling Lava Lithospheric density Mantle transition zone structure Mesozoic North–South Gravity Lineament Plate boundaries Plates Plates (tectonics) Subduction Subduction (geology) Tectonic processes Tectonics Thickness Transition zone Upper mantle
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Zusammenfassung:	Gravity lineaments are well recognized along plate boundaries and in the interiors of oceanic plates. However, the formation mechanism of intracontinental gravity lineaments remains poorly understood. The North–South Gravity Lineament (NSGL), which extends >4000 km from Russia to South China, is characterized by an abrupt change in the observed Bouguer gravity anomaly, ranging from −100 mGal in the west to −40 mGal in the east over a distance of
ISSN:	0040-1951 1879-3266
DOI:	10.1016/j.tecto.2021.229074