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- W58593406 endingPage "340" @default.
- W58593406 startingPage "309" @default.
- W58593406 abstract "The discovery of metamorphic coesite and diamond in upper crustal gneisses provides evidence that the least dense part of the lithosphere can be subducted to mantle depths. Ultrahigh-pressure (UHP) metamorphism occurs mainly at the transition from oceanic subduction to continental collision, when a thinned continental margin enters the subduction zone. Peak metamorphic conditions in such continental crust at UHP range from 2.8 GPa, 600 °C to 5.5 GPa, 1000 °C, corresponding approximately to 90–160 km depths. These rocks are the most deeply subducted crustal slices that find their way back to Earth's surface. Small UHP units are exhumed at plate tectonic speed and cool during their ascent, whereas larger slices of subducted continental crust follow near-isothermal decompression and take 10–20 My to return to the crust.All rock types that are present at shallow crustal levels have also been observed with UHP mineralogies. Surprisingly, there is little modification of the chemical and isotopic character of these rocks during deep subduction, unless they undergo partial melting. Melting in subducted felsic continental crust is mainly related to the breakdown of the hydrous phase phengite. For deeply subducted crust, melting can occur at peak metamorphic conditions, resulting in mantle metasomatism by crustal melts. However, most UHP terrains experienced partial melting during the exhumation path, leading to intracrustal differentiation, thereby obscuring their UHP history. While UHP terrains serve as a natural laboratory to investigate interactions between different rock types and fluids at pressures that are relevant for deep subduction processes, their role in global element cycling remains uncertain." @default.
- W58593406 created "2016-06-24" @default.
- W58593406 creator A5012370500 @default.
- W58593406 creator A5049342898 @default.
- W58593406 date "2014-01-01" @default.
- W58593406 modified "2023-10-16" @default.
- W58593406 title "Subduction of Continental Crust to Mantle Depth" @default.
- W58593406 cites W1489454235 @default.
- W58593406 cites W1523733318 @default.
- W58593406 cites W1536496118 @default.
- W58593406 cites W1581725866 @default.
- W58593406 cites W1587965322 @default.
- W58593406 cites W1601824667 @default.
- W58593406 cites W1938633497 @default.
- W58593406 cites W1944113931 @default.
- W58593406 cites W1957793219 @default.
- W58593406 cites W1963607885 @default.
- W58593406 cites W1963763654 @default.
- W58593406 cites W1965434351 @default.
- W58593406 cites W1966638266 @default.
- W58593406 cites W1966707406 @default.
- W58593406 cites W1967035154 @default.
- W58593406 cites W1967950238 @default.
- W58593406 cites W1968350159 @default.
- W58593406 cites W1968410303 @default.
- W58593406 cites W1970270960 @default.
- W58593406 cites W1970483293 @default.
- W58593406 cites W1971054773 @default.
- W58593406 cites W1972673996 @default.
- W58593406 cites W1973055268 @default.
- W58593406 cites W1973844707 @default.
- W58593406 cites W1975355098 @default.
- W58593406 cites W1975516268 @default.
- W58593406 cites W1977595825 @default.
- W58593406 cites W1980241913 @default.
- W58593406 cites W1980313149 @default.
- W58593406 cites W1981238025 @default.
- W58593406 cites W1981257230 @default.
- W58593406 cites W1981344517 @default.
- W58593406 cites W1981363871 @default.
- W58593406 cites W1984351481 @default.
- W58593406 cites W1984724289 @default.
- W58593406 cites W1985467618 @default.
- W58593406 cites W1986074436 @default.
- W58593406 cites W1988488782 @default.
- W58593406 cites W1989749215 @default.
- W58593406 cites W1990751086 @default.
- W58593406 cites W1991289404 @default.
- W58593406 cites W1991783128 @default.
- W58593406 cites W1992145404 @default.
- W58593406 cites W1993952484 @default.
- W58593406 cites W1994855356 @default.
- W58593406 cites W1996464890 @default.
- W58593406 cites W1997093471 @default.
- W58593406 cites W1997233054 @default.
- W58593406 cites W1997416903 @default.
- W58593406 cites W1998611435 @default.
- W58593406 cites W1999496681 @default.
- W58593406 cites W2000277662 @default.
- W58593406 cites W2000563553 @default.
- W58593406 cites W2000909092 @default.
- W58593406 cites W2001456896 @default.
- W58593406 cites W2002142493 @default.
- W58593406 cites W2003365780 @default.
- W58593406 cites W2003610695 @default.
- W58593406 cites W2003679695 @default.
- W58593406 cites W2004070071 @default.
- W58593406 cites W2004633554 @default.
- W58593406 cites W2005718053 @default.
- W58593406 cites W2005913363 @default.
- W58593406 cites W2006879244 @default.
- W58593406 cites W2007307178 @default.
- W58593406 cites W2008302995 @default.
- W58593406 cites W2008776000 @default.
- W58593406 cites W2009436180 @default.
- W58593406 cites W2011247903 @default.
- W58593406 cites W2011867440 @default.
- W58593406 cites W2013290330 @default.
- W58593406 cites W2013579065 @default.
- W58593406 cites W2014884757 @default.
- W58593406 cites W2015271179 @default.
- W58593406 cites W2015654724 @default.
- W58593406 cites W2016431160 @default.
- W58593406 cites W2017649324 @default.
- W58593406 cites W2019693008 @default.
- W58593406 cites W2019899106 @default.
- W58593406 cites W2020139762 @default.
- W58593406 cites W2021345743 @default.
- W58593406 cites W2022761178 @default.
- W58593406 cites W2022796553 @default.
- W58593406 cites W2022832238 @default.
- W58593406 cites W2022865240 @default.
- W58593406 cites W2023887453 @default.
- W58593406 cites W2023944860 @default.
- W58593406 cites W2024723248 @default.
- W58593406 cites W2024994144 @default.
- W58593406 cites W2025109266 @default.
- W58593406 cites W2025481412 @default.