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Tectonics
Resumen/Descripción – provisto por la editorial en inglés
Presents original research articles that describe and explain the evolution, structure, and deformation of Earth’s lithosphere including across the range of geologic time.Palabras clave – provistas por la editorial
encias de la tierra (general) u2013 Geociencias; Geología; Geofísi
Disponibilidad
| Institución detectada | Período | Navegá | Descargá | Solicitá |
|---|---|---|---|---|
| No detectada | desde ene. 1982 / hasta dic. 2023 | Wiley Online Library |
Información
Tipo de recurso:
revistas
ISSN impreso
0278-7407
ISSN electrónico
1944-9194
Editor responsable
American Geophysical Union (AGU)
País de edición
Estados Unidos
Fecha de publicación
1982
Información sobre derechos de publicación
© 2021 American Geophysical Union
Cobertura temática
Tabla de contenidos
doi: 10.1029/2023tc007841
Topological characterisation of fault network along the northern North Sea rift margin
Edoseghe E. Osagiede
; Casey W. Nixon; Rob Gawthorpe; Atle Rotevatn; Haakon Fossen; Christopher A‐L. Jackson; Fabian Tillmans
Palabras clave: Geochemistry and Petrology; Geophysics.
Pp. No disponible
doi: 10.1029/2022tc007707
Strain localization patterns and thrust propagation in 3‐D discrete element method (DEM) models of accretionary wedges
Enrique M. del Castillo; Behrooz Ferdowsi; Allan M. Rubin; Blair Schoene
Palabras clave: Geochemistry and Petrology; Geophysics.
Pp. No disponible
doi: 10.1029/2022tc007624
Continent‐Ocean Transition or Boundary? Crowd‐sourced seismic interpretations of the East‐India Passive Margin
Clare E. Bond; Juan Alcalde; Robert W. H. Butler; Ken McDermott; Ramon Carbonell
Palabras clave: Geochemistry and Petrology; Geophysics.
Pp. No disponible
doi: 10.1029/2022tc007717
Erosion‐driven isostatic flow and crustal diapirism: Analytical and numerical models with implications for the evolution of the Eastern Himalayan Syntaxis, southern Tibet
Jiaming Yang; Wenrong Cao; Xiaoping Yuan; Jianfeng Yang
Palabras clave: Geochemistry and Petrology; Geophysics.
Pp. No disponible
doi: 10.1029/2023tc007765
Localization of deformation in a non‐collisional subduction orogen: The roles of dip geometry and plate strength on the evolution of the broken Andean foreland, Sierras Pampeanas, Argentina
Michaël Pons; Constanza Rodriguez Piceda; Stephan V. Sobolev; Magdalena Scheck‐Wenderoth; Manfred R. Strecker
<jats:title>Abstract</jats:title><jats:p>The southern Central Andes (SCA, 27°S–40°S) exhibit a complex deformation pattern that is influenced by multiple factors, including the present‐day dip angle of the subducting oceanic Nazca plate and the influence of inherited heterogeneities in the continental South American plate. This study employs a data‐driven geodynamic workflow to assess the role of various forcing factors in determining upper‐plate strain localization, both above the flat slab and the steeper segment to the south. These include the dip angle of the Nazca plate, the mechanically weak sedimentary basins, the thickness and composition of the continental crust, the strength of the subduction interface, and the plate velocities. Our modeling results predict two main deformation modes: (i) pure‐shear shortening in the broken foreland above the flat‐slab segment and eastward propagation of deformation, and (ii) simple‐shear shortening restricted to the eastern margin of the Andean fold‐and‐thrust belt above the steep‐slab segment. While the convergence velocity and the frictional strength of the subduction interface primarily control the intensity of the deformation, inherited heterogeneities tend to localize deformation, and weak sediments leads to intensified surface deformation. Thicker crust and surface topography also influences strain localization by transferring stress to the eastern orogenic front. Above the flat‐slab segment deformation migrates eastward, which is facilitated by enhanced interface coupling. The transition between the steep and sub‐horizontal subduction segments is characterized by a diffuse transpressional shear zone, likely controlled by the change in dip geometry of the Nazca plate, and the presence of inherited faults and weak sedimentary basins.</jats:p>
Palabras clave: Geochemistry and Petrology; Geophysics.
Pp. No disponible
doi: 10.1029/2023tc007777
Timing of the Transition From Sevier‐ to Laramide‐Style Tectonism in Southwestern Montana Based on the Provenance of the Frontier Formation, North American Cordillera
E. S. Finzel; J. A. Rosenblume; D. M. Pearson; Pierre A. Zippi
<jats:title>Abstract</jats:title><jats:p>The Upper Cretaceous Frontier Formation in southwestern Montana is coeval with the transition from Sevier‐ to Laramide‐style tectonism in the Idaho‐Montana sector of the North American Cordillera. To better constrain the timing of initial exhumation above the Laramide‐style Blacktail‐Snowcrest arch, we use biostratigraphic data, sandstone petrography, and detrital zircon (DZ) geochronology to determine the provenance and depositional age of the Frontier Formation. Near Lima Peaks, erosion of Lower Cretaceous strata from the frontal Sevier‐style Tendoy thrust sheet provided sediment to the foreland basin. In the Western Centennial Mountains, sediment sources included those same sources as well as Neoproterozoic and Cambrian strata and Mesoproterozoic plutons in the Belt basin. In contrast, near the Gravelly Range, sediment eroded from Pennsylvanian‐Upper Cretaceous strata atop the Blacktail‐Snowcrest basement‐cored uplift, documenting unroofing to Pennsylvanian‐Permian stratigraphic levels by 87–85 Ma. Palynology corroborates recycling into the Frontier Formation, including from the underlying Blackleaf Formation. The ubiquitous presence of 100–85 Ma DZ ages coupled with different interpreted source regions suggests that an ash‐fall source contributed young zircon grains to the Frontier Formation. The timing of exhumation above the Blacktail‐Snowcrest arch provided by these new data presented herein suggest that Laramide‐style tectonism in Idaho‐Montana may be unrelated to shallow‐angle subduction within a narrow corridor as envisioned by current models. Instead, upper plate controls, such as the locations of inherited faults and basement highs, the distribution and thickness of pre‐orogenic sedimentary cover, and the availability of detachment surfaces, may be responsible for Laramide‐style tectonism during early Late Cretaceous time.</jats:p>
Palabras clave: Geochemistry and Petrology; Geophysics.
Pp. No disponible
doi: 10.1029/2023tc007799
Crustal Structure Across the Central Dead Sea Transform and Surrounding Areas: Insights Into Tectonic Processes in Continental Transforms
U. S. ten Brink; E. Levi; C. H. Flores; I. Koulakov; N. Bronshtein; Z. Ben‐Avraham
Palabras clave: Geochemistry and Petrology; Geophysics.
Pp. No disponible
doi: 10.1029/2022tc007684
Tectonics, Base‐Level Fluctuations, and Climate Impact on the Eocene to Present‐Day Erosional Pattern of the Arabia‐Eurasia Collision Zone (NNW Iranian Plateau and West Alborz Mountains)
Amaneh Kaveh‐Firouz; Jean‐Pierre Burg; Negar Haghipour; Sanjay Kumar Mandal; Marcus Christl; Ali Mohammadi
Palabras clave: Geochemistry and Petrology; Geophysics.
Pp. No disponible
doi: 10.1029/2023tc007801
Slowing Extrusion Tectonics and Accelerated Uplift of Northern Tibet Since the Mid‐Miocene
Haijian Lu; Xinwen Cao; Marco G. Malusà; Zhiyong Zhang; Jiawei Pan; Haibing Li
Palabras clave: Geochemistry and Petrology; Geophysics.
Pp. No disponible
doi: 10.1002/tect.21733
Issue Information
Palabras clave: Geochemistry and Petrology; Geophysics.
Pp. No disponible