subduction in English
There are two possible tectonic settings for the deep subduction of Indian Plate continental crust in the early Tertiary.
Use "subduction" in a sentence
1. 30 The subduction of oceanic plates has two tectonic actions of subduction accretion and subduction erosion, which ar interconvertible in different time and space.
2. This extensive subduction zone has formed the Sunda Trench.
3. - the Banatite genesis, related to collision or subduction time (De La Roche diagram, acc
4. The belt contains a wide range of subduction–accretion-related petrotectonic units.
5. The subduction of the Cocos Plate accounts for the frequency of earthquakes near the coast.
6. These minerals were formed in subduction or obduction zones of alpine-type (high-pressure) orogenic belts.
7. Mud Brecciation provides a potential new tool to reconstruct ancient earthquake history in subduction zones.
8. Small interseismic Asperities and widespread aseismic creep on the northern Japan subduction interface Kaj M
9. This boundary is in part the result of transform faulting along with thrust faulting and some subduction.
10. The magmatics are late-alpine and intruded into the Southerly cover plate on top of the subduction zone.
11. The result is an arc of volcanoes, which includes Imbabura, 100–300 km away from the subduction zone.
12. Unique Wisconsin Gem Material, Wisconsin "Jade" Antigorite, Mirror Polish, Formed in Subduction Zone, Great Color, Wood Co., WI.
13. Some Batholiths are mammoth, paralleling past and present subduction zones and other heat sources for hundreds of kilometers in continental crust
14. 30 Except where subduction zones lie adjacent to mountain belts on continental margins, plate boundaries do not coincide with continental coastlines.
15. The isotopic compositions, ophiolite tectonostratigraphy, and correlation of the 40Ar/39Ar cooling (plagiogranite) and deformation (amphibolite) ages suggest emplacement of the Neyriz ophiolite either into an accretionary prism, through offscraping and subduction erosion, and (or) formation in a supra-subduction zone environment, around 82–96 Ma.
16. This work can also help to explain processes that occur within the Earth, such as subduction and magma chamber evolution.
17. In the lower crust and upper mantle, east-dipping reflections are interpreted to delineate a coeval subduction zone and accretionary wedge.
18. Batholith growth ended when collision disrupted subduction of the Tethyan oceanic lithosphere, and thus the youngest magmatic pulse indirectly dates the collision
19. Batholiths indicate a long period of repeated igneous intrusions over a large area, such as might be expected along a subduction zone.
20. 10 The main A-type subduction fault and large scale thin-skinned tectonics clearly reveal that the Yangtze Plate subsides towards Dabie orogenic belt.
21. These ultramafic rocks are more strongly depleted than typical abyssal peridotites and their whole-rock and mineral chemistries suggest formation above a subduction zone.
22. The age-depth relation can be modeled by the cooling of a lithosphere plate or mantle half-space in areas without significant subduction.
23. The geology of the Alps and the Apennines is the result of the evolution from Paleozoic orogens (mostly Hercynian), the Permo-Mesozoic Tethyan rifting and related passive continental margins, and, eventually the Cretaceous-to-present Alpine-Betic subduction, and the Eocene to present Apennines-Maghrebides subduction (Beltrando et al., 2010a, and references therein).
24. ‘The polarity of the postulated Carboniferous subduction at Alexander Island is unknown.’ The Carboniferous lasted from about 363 to 290 million years ago
25. As cooling continued, subduction and dissolving in ocean water removed most CO2 from the atmosphere but levels oscillated wildly as new surface and mantle cycles appeared.
26. "If it will help you think of me as Sappho" in Blossomry #1, October 2017 "Cosmopolitan Bias" in The Cascadia Subduction 7.3, October 2017
27. The high water contents of back-arc basin basalt magmas is derived from water carried down the subduction zone and released into the overlying mantle wedge.
28. Whereas the volcanic arch of the Eolian islands is caused by subduction of the African below the Thyrrenean plate, in Turkey, the Arabian subducts below the Anatolian plate.
29. The discovery of the xenolith is of important implication for us to recognize the deep subduction direction and the scale of the Dabie-Sulu ultrahigh-pressure(UHP) metamorphic belt.
30. Tsunami earthquakes mainly occur at subduction zones where there is a large accretionary wedge or where sediments are being subducted, as this weaker material leads to the slower rupture velocities.
31. It is thought that the first continental crust formed by melting of either eclogite or Amphibolite, either at subduction zones or on the underside of thick oceanic crust
32. The parental magma has affinities with arc-type magmas related to subduction (shoshonitic magma series), as is evidenced by high LILE/LREE ratio, and select depletion of HFSE.
33. The Pope succession limestone has many similarities in tectonic, stratigraphic, sedimentologic, and paleontologic aspects to the Akiyoshi buildup, a representative Panthalassan buildup in a Permian subduction-related accretionary complex in Japan.
34. Accreted terrane a body of rock that originated elsewhere, on a different tectonic plate, and was then transferred to the continent at a subduction zone or along a transform fault
35. Tectonic reconstruction places these and along-strike units in a fore-arc basin bordered to the west by an (eroded) are and to the east by an accretionary subduction complex.
36. Mantle wedge regions in subduction zone settings show Anomalously high electrical conductivity (~1 S/m) that has often been attributed to the presence of aqueous fluids released by slab dehydration
37. Continental Crust, the outermost layer of Earth’s lithosphere that makes up the planet’s continents and continental shelves and is formed near subduction zones at plate boundaries between continental and oceanic tectonic plates
38. Such convergent tectonic boundaries occur where two plates slide towards each other forming a subduction zone (if one plate moves underneath the other), and/or a continental collision (when the two plates contain continental crust).
39. 11 The next Pangea, "Pangea Ultima" will form as a result of the subduction of the ocean floor of the North and South Atlantic beneath eastern North America and South America.
40. In this respect the Dalma basalts appear to have a modified MORB composition and the closest chemical analogy may be basalts from back-arc basins, i. e. a supra-subduction zone environment.
41. The WMB is an assemblage of Late Jurassic and Cretaceous rock (some of it as much as 166 million years old) collected in the accretionary wedge (or prism) of a subduction zone.
42. These observations are consistent with oblique convergence of the Kula plate during early Cenozoic and forearc slivering above an ancient subduction zone following late Mesozoic accretion of the Peninsular–Alexander–Wrangellia terrane to North America.
43. The major outstanding problems relating to this aspect are discussed and the alternative hypothesis that the rigid body beneath the southern Tyrrhenian is a remnant of an old subduction zone, compressed and deformed in between the Adriatic and African blocks, is advanced.
44. Although the hypothesis that the Java subduction zone is Aseismic is no longer tenable, there remains a danger that systematic research into past patterns will not begin until there is another horrendous disaster for which the population will have been poorly prepared.
45. Basaltic rocks at mid-ocean ridges, large igneous provinces and subduction zones have compositions at the silica-rich end of the range of composition, while silica-poor Basaltic rocks are largely confined to intraplate settings (ocean islands, isolated continental volcanic areas, and rift systems).
46. Accretion is the process in which material from the outer plate and trench (during the periods of discontinuous subduction) is removed and added to the outer continental margin or by other mechanisms such as imbricate thrusting or a combination of folding and …
47. At this time, a spreading center between the Pacific Plate and the Farallon Plate (which is now mostly subducted, with remnants including the Juan de Fuca Plate, Rivera Plate, Cocos Plate, and the Nazca Plate) was beginning to reach the subduction zone off the western coast of North America.
48. Recent geological mapping and geophysical studies associated with the Lithoprobe project have suggested that the Opatica belt represents a plutonic belt against which the Abitibi was accreted by subduction-related collision and that the Pontiac Subprovince is dominated by imbricated metasediments related to the final stages of collision in the Abitibi region.
49. Fault slip comprises seismic and Aseismic components, which occur on patches with velocity weakening (VW) and velocity strengthening (VS) properties (Dieterich, 1978, Ruina, 1983), respectively.Traditionally, it is thought that VW properties characterize the depth range of 10 to 50 km on subduction zones, governed by material properties, fluid pressure and temperature (Pacheco
50. ‘The Batholith extends into the west Kimberley, and is more than 750 km long and about 60-70 km wide.’ ‘The magmas that formed the Batholith were generated in response to the subduction of the Farallon plate beneath the North American plate.’ ‘The currently accepted name for this part of the craton is the Murehwa Batholith.’