Results 51 to 60 of about 211,290 (283)

The late Mesozoic-Cenozoic tectonic evolution of the South China Sea: A petrologic perspective [PDF]

, 2014
This paper presents a review of available petrological, geochonological and geochemical data for late Mesozoic to Recent igneous rocks in the South China Sea (SCS) and adjacent regions and a discussion of their petrogeneses and tectonic implications. The
Castillo, PR, Shi, X, Yan, Q
core   +2 more sources

Role of Intraplate Strike-Slip Earthquakes in Accommodating Convergence Across the Eastern Himalayan Plate Boundary System [PDF]

Lithosphere
North-East India, at the eastern extremity of the Himalaya, is one of the most rapidly deforming intraplate regions. The tectonics of this region is shaped by oblique convergence between two nearly perpendicular plate boundaries of the Eastern Himalaya ...
Dibyajyoti Chaudhuri, Rupak Banerjee, Ajay Kumar, Shubham Sharma, Supriyo Mitra   +4 more
doaj   +1 more source

Giant Porphyry Copper Deposits Caused by a Slab Jamming in the Mantle Transition Zone

Terra Nova, EarlyView.
ABSTRACT Two giant porphyry copper deposits in the Southern Central Andes formed during the Miocene–Pliocene transition when a bend in the subducting Juan de Fernández hotspot chain jammed in the mantle transition zone, causing mega‐scale slab‐kinking. This geometry implies mechanical resistance that caused East–West compression and eventually a thrust‐
Nipaporn Nakrong, Marnie Forster, Wim Spakman, Hielke Jelsma, Francois Gaboury, Gordon Lister   +5 more
wiley   +1 more source

Intraplate Strike-Slip Corridor within South America (NE Border of the Paraná Basin) Unveiled by Structural Analysis of Faults and Fracture Swarms

Geosciences, 2022
We present the effect of neotectonics in intracratonic settings as revealed by the surface, brittle deformation associated to a regionally-sized shear corridor, which affects Southeastern Brazil.
Paola Cianfarra, Marcos Roberto Pinheiro, Fernando Nadal Junqueira Villela, Francesco Salvini   +3 more
doaj   +1 more source

Deep ductile shear localization facilitates near-orthogonal strike-slip faulting in a thin brittle lithosphere [PDF]

, 2020
Some active fault systems comprise near-orthogonal conjugate strike-slip faults, as highlighted by the 2019 Ridgecrest and the 2012 Indian Ocean earthquake sequences.
Ampuero, Jean-Paul, Liang, Chao, Pino Muñoz, Daniel   +2 more
core   +1 more source

Revised Pacific-Antarctic plate motions and geophysics of the Menard Fracture Zone [PDF]

, 2008
A reconnaissance survey of multibeam bathymetry and magnetic anomaly data of the Menard Fracture Zone allows for significant refinement of plate motion history of the South Pacific over the last 44 million years.
Atwater, Atwater, Bernard, Briais, Cande, Cande, Cande, Cande, Cande, Cande, Chang, Chang, Cochran, DeMets, Gallo, Gans, Goodwillie, Gordon, Géli, Hellinger, Joann M. Stock, Klingelhoefer, Krijgsman, Lodolo, Lonsdale, Lonsdale, Lonsdale, Lourens, Macdonald, Marcel B. Croon, Marks, McAdoo, Menard, Menard, Molnar, Ogg, Pitman, Royer, Royer, Royer, Sandwell, Sandwell, Searle, Steven C. Cande, Stock, Tebbens, Tebbens, Weiland   +47 more
core   +1 more source

Triassic Intracontinental Crustal Reworking of the Eastern Tianshan: New Insights From Late Triassic Adakitic and Low‐Sr/Y Granitoids in the Bogda Range

Geochemistry, Geophysics, Geosystems
Continental intraplate magmatism remains a fundamental challenge in Plate Tectonics. Triassic magmatism represents a critical phase in the evolution of the Central Asian Orogenic Belt and continues to provoke debate about its tectonic setting. This study
Xinghua Ni, Tingting Cao, Bo Wang, Dominique Cluzel, Yuxin Sun, Yiyi Chen, Yanjun Wang, Shuxin Pan, Yan Chen, Dong Jia, Michel Faure   +10 more
doaj   +1 more source

Subparallel thrust and normal faulting in Albania and the roles of gravitational potential energy and rheology contrasts in mountain belts [PDF]

, 2009
The active tectonics of Albania and surrounding regions, on the eastern margin of the Adriatic Sea, is characterized by subparallel thrust and normal faulting which, we suggest, is likely to be related to gravitational potential energy contrasts between ...
Boait, Fran, Copley, Alex, Hollingsworth, James, Jackson, James, McKenzie, Dan   +4 more
core   +1 more source

Low-velocity anomaly in the Coral Sea associated with subducting slabs and the Woodlark rift

Communications Earth & Environment
Classical plume models offer insights into intraplate volcanism and seamount chain formation by assuming a cylindrical upwelling of hot materials from the core-mantle boundary.
Ji-hoon Park, Sung-Joon Chang
doaj   +1 more source

Influence of Digital Elevation Model Resolution on the Normalized Stream Length–Gradient Index in Intraplate Regions: A Case Study of the Yangsan Fault, Korea

Remote Sensing
The spatial variability of input parameters plays a crucial role in the interpretation of geomorphic indices, with digital elevation models (DEMs) being the primary data source.
Hyunjee Lim, Sangmin Ha, Sohee Kim, Hee-Cheol Kang, Moon Son   +4 more
doaj   +1 more source