Tectonics
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Fault slip rates for the active External Dinarides thrust‐and‐fold beltWe present estimates of slip rates for active faults in the External Dinarides. This thrust‐and‐fold belt formed in the Adria‐Eurasia collision zone by the progressive formation of NE‐dipping thrusts in the footwalls of older structures. We calculated the long‐term horizontal velocity field, slip rates and related uncertainties for active faults using a thin‐shell finite element method. We... ... hiện toàn bộ
Tectonics - Tập 31 Số 3 - 2012
Geodynamics of Anatolia: Lithosphere Thermal Structure and ThicknessAbstract We present the first thermal model for the lithosphere in Turkey, which shows a highly heterogeneous pattern associated with mosaics of the Tethyan and modern subduction systems. We calculate a regionally average crustal density of 2.90 g/cm3 consistent with the presence of large volumes of mafic material. The Moho temperature with a re... ... hiện toàn bộ
Tectonics - Tập 38 Số 12 - Trang 4465-4487 - 2019
A reappraisal of the Sibson‐Scholz fault zone model: The nature of the frictional to viscous (“brittle‐ductile”) transition along a long‐lived, crustal‐scale fault, Outer Hebrides, ScotlandThe widely cited Sibson‐Scholz conceptual fault zone model suggests that seismically active, upper crustal brittle faults pass downward across a predominantly thermally controlled transition at 10–15 km depth into ductile shear zones in which deformation occurs by aseimic viscous creep. The crustal‐scale Outer Hebrides Fault Zone (OHFZ) in NW Scotland has been described as the type example... ... hiện toàn bộ
Tectonics - Tập 20 Số 5 - Trang 601-624 - 2001
Early Jurassic Rifting of the Arabian Passive Continental Margin of the Neo‐Tethys. Field Evidence From the Lurestan Region of the Zagros Fold‐and‐Thrust Belt, IranAbstract The Arabian passive margin formed at the southern margin of the Neo‐Tethys ocean during the breakup of Pangea. In the Lurestan region of the Zagros mountain belt, the deformed Arabian continental paleo‐margin can be reconstructed as originally consisting of distinct crustal domains, including a proximal sector and a distal continental ribbon, separated by a... ... hiện toàn bộ
Tectonics - Tập 37 Số 8 - Trang 2586-2607 - 2018
Mantle Dynamics Beneath the Sichuan Basin and Eastern Tibet From Teleseismic TomographyAbstract The cratonic Sichuan Basin is located east of the Tibetan Plateau, and is surrounded by mountains that have undergone complex deformation and uplift since the Cenozoic. Imaging mantle structure is important for understanding its formation, and to date most models suggest a deep cratonic root underlies the basin, blocking eastward extrusion of lithospheric m... ... hiện toàn bộ
Tectonics - Tập 40 Số 2 - 2021
Spatial Slip Rate Distribution Along the SE Xianshuihe Fault, Eastern Tibet, and Earthquake Hazard AssessmentAbstract The Xianshuihe (XSH) fault in eastern Tibet is one of the most active faults in China, with the next large earthquake most likely to occur along its SE part, where the fault splits into three parallel branches: Yalahe, Selaha and Zheduotang (ZDT). Precisely quantifying their slip rates at various timescales is essential to evaluate regional earthquake hazar... ... hiện toàn bộ
Tectonics - Tập 40 Số 11 - 2021
Extensional collapse of orogensLithospheric extension is sited, preferentially, along orogenic belts because they have a thicker continental crust, contain structural inhomogeneities, and suffer extensional orogenic collapse caused by body forces resulting from isostatically compensated elevation and sharp elevation gradients. Collapse occurs especially where rapid advective thinning of the shortened thermal boundary co... ... hiện toàn bộ
Tectonics - Tập 7 Số 6 - Trang 1123-1139 - 1988
The ultimate arc: Differential displacement, oroclinal bending, and vertical axis rotation in the External Betic‐Rif arcThe External Betic‐Rif arc, which lies between the converging African and Iberian plates, is one of the tightest orogenic arcs on Earth. It is a thin‐skinned fold and thrust belt formed in Miocene time around the periphery of the Alborán Domain, an older contractional orogen that underwent extensional collapse coevally with the formation of the thrust belt. Restoration of four sections acr... ... hiện toàn bộ
Tectonics - Tập 22 Số 3 - 2003
Origin of the Betic‐Rif mountain beltIn recent years, the origin of the Betic‐Rif orocline has been the subject of considerable debate. Much of this debate has focused on mechanisms required to generate rapid late‐orogenic extension with coeval shortening. Here we summarize the principal geological and geophysical observations and propose a model for the Miocene evolution of the Betic‐Rif mountain belts, which is compatible w... ... hiện toàn bộ
Tectonics - Tập 16 Số 3 - Trang 504-522 - 1997
Lateral slab deformation and the origin of the western Mediterranean arcsThe western Mediterranean subduction zone (WMSZ) extends from the northern Apennine to southern Spain and turns around forming the narrow and tight Calabrian and Gibraltar Arcs. The evolution of the WMSZ is characterized by a first phase of orogenic wedging followed, from 30 Ma on, by trench retreat and back‐arc extension. Combining new and previous geological data, new tomographic images ... ... hiện toàn bộ
Tectonics - Tập 23 Số 1 - 2004
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