Matches in SemOpenAlex for { <https://semopenalex.org/work/W2051980988> ?p ?o ?g. }
- W2051980988 endingPage "640" @default.
- W2051980988 startingPage "620" @default.
- W2051980988 abstract "The metamorphic history of two samples of continental slivers from Alpine Corsica is reconstructed on the basis of detailed petrology, trace and major element geochemistry of the bulk rock and of metamorphic minerals, and U–Pb dating of zircon. A lawsonite fels with a Ca-rich and Si, Na, K-poor bulk composition, and a garnet-bearing schist were investigated. They both exhibit strongly zoned garnet crystals characterised by cores with high Mg# (0.25–0.33), low grossular component (0.03–0.09) and REE patterns with a negative Eu anomaly. U–Pb dating of zircons from the lawsonite fels yielded scattered inherited core ages from 912 to 575 Ma and a first metamorphic rim that is dated at 292.5 ± 3.3 Ma. Ti-in zircon thermometry, the trace element pattern of the zircon and the composition of the garnet cores indicate that both samples experienced Permian upper amphibolite- to granulite-facies metamorphism. These high-grade metamorphic rocks are associated to serpentinites, metabasalts and metasediments that are typical of the Alpine Tethys, indicating that the continental slivers were incorporated into an ocean–continent transition during rifting. Alpine eclogite-facies metamorphism is characterised by low temperature conditions as demonstrated by lawsonite crystallisation in both samples. The lawsonite fels preserved the most complex history with two stages of garnet growth corresponding to a first prograde path, possibly in the lawsonite-blueschist facies, and a second stage at lawsonite-eclogite facies conditions. This second stage was marked by strong Ca-metasomatism that is responsible for the peculiar composition of the sample and the massive crystallisation of lawsonite. The strong metasomatism is also responsible for the partial recrystallisation of zircon and the formation of Alpine rims. The age of these zircon rims (34.4 ± 0.8 Ma) represents the first U–Pb age for Alpine high-pressure metamorphism in Corsica." @default.
- W2051980988 created "2016-06-24" @default.
- W2051980988 creator A5009989419 @default.
- W2051980988 creator A5012370500 @default.
- W2051980988 creator A5029808360 @default.
- W2051980988 creator A5071033204 @default.
- W2051980988 date "2011-07-01" @default.
- W2051980988 modified "2023-10-16" @default.
- W2051980988 title "Late Eocene lawsonite-eclogite facies metasomatism of a granulite sliver associated to ophiolites in Alpine Corsica" @default.
- W2051980988 cites W1511878292 @default.
- W2051980988 cites W1572270483 @default.
- W2051980988 cites W1944113931 @default.
- W2051980988 cites W1965869986 @default.
- W2051980988 cites W1967635228 @default.
- W2051980988 cites W1970111722 @default.
- W2051980988 cites W1974610654 @default.
- W2051980988 cites W1977965778 @default.
- W2051980988 cites W1979488647 @default.
- W2051980988 cites W1983186065 @default.
- W2051980988 cites W1985110036 @default.
- W2051980988 cites W1986818474 @default.
- W2051980988 cites W1993952923 @default.
- W2051980988 cites W1999496681 @default.
- W2051980988 cites W2007105153 @default.
- W2051980988 cites W2007170137 @default.
- W2051980988 cites W2012947174 @default.
- W2051980988 cites W2017791843 @default.
- W2051980988 cites W2018236251 @default.
- W2051980988 cites W2020139762 @default.
- W2051980988 cites W2022523463 @default.
- W2051980988 cites W2024436619 @default.
- W2051980988 cites W2027482418 @default.
- W2051980988 cites W2028573058 @default.
- W2051980988 cites W2030005085 @default.
- W2051980988 cites W2031795750 @default.
- W2051980988 cites W2037603950 @default.
- W2051980988 cites W2038101603 @default.
- W2051980988 cites W2039381691 @default.
- W2051980988 cites W2040287076 @default.
- W2051980988 cites W2042532761 @default.
- W2051980988 cites W2046756109 @default.
- W2051980988 cites W2048906426 @default.
- W2051980988 cites W2052973516 @default.
- W2051980988 cites W2054219020 @default.
- W2051980988 cites W2058774683 @default.
- W2051980988 cites W2059644521 @default.
- W2051980988 cites W2060313404 @default.
- W2051980988 cites W2068403951 @default.
- W2051980988 cites W2068835914 @default.
- W2051980988 cites W2069294002 @default.
- W2051980988 cites W2070207329 @default.
- W2051980988 cites W2070520414 @default.
- W2051980988 cites W2072877917 @default.
- W2051980988 cites W2077167664 @default.
- W2051980988 cites W2079088996 @default.
- W2051980988 cites W2079946659 @default.
- W2051980988 cites W2080993999 @default.
- W2051980988 cites W2081485548 @default.
- W2051980988 cites W2084677090 @default.
- W2051980988 cites W2092367277 @default.
- W2051980988 cites W2096397784 @default.
- W2051980988 cites W2100982634 @default.
- W2051980988 cites W2105755619 @default.
- W2051980988 cites W2112742605 @default.
- W2051980988 cites W2119474517 @default.
- W2051980988 cites W2127357540 @default.
- W2051980988 cites W2129704931 @default.
- W2051980988 cites W2130767052 @default.
- W2051980988 cites W2145467034 @default.
- W2051980988 cites W2154134823 @default.
- W2051980988 cites W2156402670 @default.
- W2051980988 cites W2161226658 @default.
- W2051980988 cites W2165389970 @default.
- W2051980988 cites W2316720961 @default.
- W2051980988 cites W2319541888 @default.
- W2051980988 cites W2326140823 @default.
- W2051980988 cites W2326641132 @default.
- W2051980988 cites W2327723718 @default.
- W2051980988 doi "https://doi.org/10.1016/j.lithos.2011.03.015" @default.
- W2051980988 hasPublicationYear "2011" @default.
- W2051980988 type Work @default.
- W2051980988 sameAs 2051980988 @default.
- W2051980988 citedByCount "65" @default.
- W2051980988 countsByYear W20519809882012 @default.
- W2051980988 countsByYear W20519809882013 @default.
- W2051980988 countsByYear W20519809882014 @default.
- W2051980988 countsByYear W20519809882015 @default.
- W2051980988 countsByYear W20519809882016 @default.
- W2051980988 countsByYear W20519809882017 @default.
- W2051980988 countsByYear W20519809882018 @default.
- W2051980988 countsByYear W20519809882019 @default.
- W2051980988 countsByYear W20519809882020 @default.
- W2051980988 countsByYear W20519809882021 @default.
- W2051980988 countsByYear W20519809882022 @default.
- W2051980988 countsByYear W20519809882023 @default.
- W2051980988 crossrefType "journal-article" @default.
- W2051980988 hasAuthorship W2051980988A5009989419 @default.
- W2051980988 hasAuthorship W2051980988A5012370500 @default.