Plume tectonics is a geoscientific theory that finds its roots in the mantle doming concept which was especially popular during the 1930s and initially did not accept major plate movements and continental drifting. It has survived from the 1970s until today in various forms and presentations. It has slowly evolved into a concept that recognises and accepts large-scale plate motions such as envisaged by plate tectonics, but placing them in a framework where large mantle plumes are the major driving force of the system.[1] The initial followers of the concept during the first half of the 20th century are scientists like Beloussov and van Bemmelen, and recently the concept has gained interest especially in Japan, through new compiled work on palaeomagnetism, and is still advocated by the group of scientists elaboration upon Earth expansion.[2] It is nowadays generally not accepted as the main theory to explain the driving forces of tectonic plate movements, although numerous modulations on the concept have been proposed.
The theory focuses on the movements of mantle plumes under tectonic plates, viewing them as the major driving force of movements of (parts of) the Earth's crust. In its more modern form, conceived in the 1970s, it tries to reconcile in one single geodynamic model the horizontalistic concept of plate tectonics, and the verticalistic concepts of mantle plumes, by the gravitational movement of plates away from major domes of the Earth's crust. The existence of various supercontinents in Earth history and their break-up has been associated recently with major upwellings of the mantle.
It is classified together with mantle convection as one of the mechanism that are used to explain the movements of tectonic plates. It also shows affinity with the concept of hot spots which is used in modern-day plate tectonics to generate a framework of specific mantle upwelling points that are relatively stable throughout time and are used to calibrate the plate movements using their location together with paleomagnetic data. Another affinity is the concept of surge tectonics which envisage flows through the mantle as major driving forces of Plate Tectonics.
Referencesedit
^Van Bemmelen, R.W. (1976); Plate Tectonics and the Undation Model: a comparison. Tectonophysics, 32, 145–182.
^Wezel, F.-C. (1988, Ed.); The origin and evolution of arcs. Tectonophysics, Vol. 146, No.1-4, Special Issue.
Maruyama, Shigenori (1994). "Plume tectonics". Journal of the Geological Society of Japan. 100: 24–49. doi:10.5575/geosoc.100.24.
Yuen, DA; Maruyama, S; Karato, SJ; et al., eds. (2007). Superplumes: beyond plate tectonics. AA Dordrecht, NL: Springer. ISBN978-1-4020-5749-6.
Segev, A (2002). "Flood basalts, continental breakup and the dispersal of Gondwana: evidence for periodic migration of upwelling mantle flows (plumes)". EGU Stephan Mueller Special Publication Series. 2: 171–91. doi:10.5194/smsps-2-171-2002.
See alsoedit
Hotspot (geology) – Volcanic region hotter than the surrounding mantle
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plume, tectonics, geoscientific, theory, that, finds, roots, mantle, doming, concept, which, especially, popular, during, 1930s, initially, accept, major, plate, movements, continental, drifting, survived, from, 1970s, until, today, various, forms, presentatio. Plume tectonics is a geoscientific theory that finds its roots in the mantle doming concept which was especially popular during the 1930s and initially did not accept major plate movements and continental drifting It has survived from the 1970s until today in various forms and presentations It has slowly evolved into a concept that recognises and accepts large scale plate motions such as envisaged by plate tectonics but placing them in a framework where large mantle plumes are the major driving force of the system 1 The initial followers of the concept during the first half of the 20th century are scientists like Beloussov and van Bemmelen and recently the concept has gained interest especially in Japan through new compiled work on palaeomagnetism and is still advocated by the group of scientists elaboration upon Earth expansion 2 It is nowadays generally not accepted as the main theory to explain the driving forces of tectonic plate movements although numerous modulations on the concept have been proposed The theory focuses on the movements of mantle plumes under tectonic plates viewing them as the major driving force of movements of parts of the Earth s crust In its more modern form conceived in the 1970s it tries to reconcile in one single geodynamic model the horizontalistic concept of plate tectonics and the verticalistic concepts of mantle plumes by the gravitational movement of plates away from major domes of the Earth s crust The existence of various supercontinents in Earth history and their break up has been associated recently with major upwellings of the mantle It is classified together with mantle convection as one of the mechanism that are used to explain the movements of tectonic plates It also shows affinity with the concept of hot spots which is used in modern day plate tectonics to generate a framework of specific mantle upwelling points that are relatively stable throughout time and are used to calibrate the plate movements using their location together with paleomagnetic data Another affinity is the concept of surge tectonics which envisage flows through the mantle as major driving forces of Plate Tectonics References edit Van Bemmelen R W 1976 Plate Tectonics and the Undation Model a comparison Tectonophysics 32 145 182 Wezel F C 1988 Ed The origin and evolution of arcs Tectonophysics Vol 146 No 1 4 Special Issue Maruyama Shigenori 1994 Plume tectonics Journal of the Geological Society of Japan 100 24 49 doi 10 5575 geosoc 100 24 Yuen DA Maruyama S Karato SJ et al eds 2007 Superplumes beyond plate tectonics AA Dordrecht NL Springer ISBN 978 1 4020 5749 6 Segev A 2002 Flood basalts continental breakup and the dispersal of Gondwana evidence for periodic migration of upwelling mantle flows plumes EGU Stephan Mueller Special Publication Series 2 171 91 doi 10 5194 smsps 2 171 2002 See also editHotspot geology Volcanic region hotter than the surrounding mantle nbsp This tectonics article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Plume tectonics amp oldid 1136347445, wikipedia, wiki, book, books, library,
