FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2078846635> ?p ?o ?g. }

• W2078846635 endingPage "23" @default.
• W2078846635 startingPage "1" @default.
• W2078846635 abstract "The high-grade metamorphic basement of the Bayuda Desert is situated at the inferred transition between the juvenile Neoproterozoic mainly greenschist facies Arabian–Nubian Shield (ANS) and the pre-Neoproterozoic mainly amphibolite facies domain of the East Saharan Ghost Craton. New geochemical and Sr–Nd isotope data reveal that this basement in Bayuda constituted a Neoproterozoic oceanic convergent margin succession with limited and probably late input of old material. Within this series, garnet amphibolites and epidote–biotite gneisses have geochemical characteristics of HFSE-depleted tholeiitic basalts and low- to medium-K dacites and rhyodacites, indicating magmatism in an oceanic island arc or back-arc basin environment. This magmatism occurred at 806±19 Ma (Sm–Nd 11 WR isochron), similar in age to arc magmatism in the ANS. Leucocratic gneisses, muscovite schists and garnet–biotite schists form the dominant meta-sedimentary rocks of the study area. They were primarily derived from two different sources: volcanogenic sediments from a Neoproterozoic island arc (TDM Nd model ages between 790 and 900 Ma) and terrigeneous sediments from an older continental source (TDM Nd model ages up to 2100 Ma). The volcanosedimentary succession was metamorphosed under amphibolite facies conditions prior to 670 Ma, probably at approximately 700 Ma. The high-grade metamorphism is related to a frontal collisional event that also produced syn-collisional peraluminous granites preserved as muscovite–biotite gneisses. Meta-igneous rocks from eastern Bayuda have εNd values at 806 Ma of +5.2±0.4, indicating a less depleted mantle source (crustal contamination can be excluded) than the neighbouring Gabgaba–Gebeit terrane (εNd, ca. +7) from the Arabian–Nubian shield. Less depleted mantle source is also known at Jebel Moya to the south, and inside the Arabian–Nubian Shield to the southeast of Bayuda. Lithological and structural similarities (dominantly northeast striking foliation) with the Bayuda Desert succession occur in many parts of central and western Sudan, suggesting a comparable geodynamic evolution. It is proposed that a Neoproterozoic oceanic convergent margin (Bayuda type succession) collided at approximately 700 Ma to the northwest with the East Saharan ghost craton, whose easternmost limit must lie below or more to the west than previously thought." @default.
• W2078846635 created "2016-06-24" @default.
• W2078846635 creator A5049639227 @default.
• W2078846635 creator A5080429064 @default.
• W2078846635 date "2001-06-01" @default.
• W2078846635 modified "2023-10-16" @default.
• W2078846635 title "Sr, Nd isotopes and geochemistry of the Bayuda Desert high-grade metamorphic basement (Sudan): an early Pan-African oceanic convergent margin, not the edge of the East Saharan ghost craton?" @default.
• W2078846635 cites W1625589675 @default.
• W2078846635 cites W1964094851 @default.
• W2078846635 cites W1975126732 @default.
• W2078846635 cites W1980419785 @default.
• W2078846635 cites W1981832101 @default.
• W2078846635 cites W1983396787 @default.
• W2078846635 cites W1983596468 @default.
• W2078846635 cites W1988069735 @default.
• W2078846635 cites W1989002745 @default.
• W2078846635 cites W1990767147 @default.
• W2078846635 cites W1992982899 @default.
• W2078846635 cites W1993653004 @default.
• W2078846635 cites W2005390624 @default.
• W2078846635 cites W2011346948 @default.
• W2078846635 cites W2014966532 @default.
• W2078846635 cites W2018656679 @default.
• W2078846635 cites W2021325645 @default.
• W2078846635 cites W2026590347 @default.
• W2078846635 cites W2033478602 @default.
• W2078846635 cites W2042080396 @default.
• W2078846635 cites W2042939329 @default.
• W2078846635 cites W2045989453 @default.
• W2078846635 cites W2053910683 @default.
• W2078846635 cites W2055785528 @default.
• W2078846635 cites W2055980863 @default.
• W2078846635 cites W2058977009 @default.
• W2078846635 cites W2059008211 @default.
• W2078846635 cites W2061258772 @default.
• W2078846635 cites W2067480339 @default.
• W2078846635 cites W2087177400 @default.
• W2078846635 cites W2087420220 @default.
• W2078846635 cites W2089609821 @default.
• W2078846635 cites W2090781688 @default.
• W2078846635 cites W2091316846 @default.
• W2078846635 cites W2097394294 @default.
• W2078846635 cites W2108971421 @default.
• W2078846635 cites W2131648185 @default.
• W2078846635 cites W2137749610 @default.
• W2078846635 cites W2159280519 @default.
• W2078846635 cites W2174216460 @default.
• W2078846635 cites W2317613525 @default.
• W2078846635 cites W2328072275 @default.
• W2078846635 cites W4231047911 @default.
• W2078846635 cites W4233543653 @default.
• W2078846635 cites W4245000865 @default.
• W2078846635 doi "https://doi.org/10.1016/s0301-9268(00)00147-9" @default.
• W2078846635 hasPublicationYear "2001" @default.
• W2078846635 type Work @default.
• W2078846635 sameAs 2078846635 @default.
• W2078846635 citedByCount "69" @default.
• W2078846635 countsByYear W20788466352012 @default.
• W2078846635 countsByYear W20788466352013 @default.
• W2078846635 countsByYear W20788466352014 @default.
• W2078846635 countsByYear W20788466352015 @default.
• W2078846635 countsByYear W20788466352016 @default.
• W2078846635 countsByYear W20788466352017 @default.
• W2078846635 countsByYear W20788466352018 @default.
• W2078846635 countsByYear W20788466352019 @default.
• W2078846635 countsByYear W20788466352020 @default.
• W2078846635 countsByYear W20788466352021 @default.
• W2078846635 countsByYear W20788466352022 @default.
• W2078846635 countsByYear W20788466352023 @default.
• W2078846635 crossrefType "journal-article" @default.
• W2078846635 hasAuthorship W2078846635A5049639227 @default.
• W2078846635 hasAuthorship W2078846635A5080429064 @default.
• W2078846635 hasConcept C109007969 @default.
• W2078846635 hasConcept C112764850 @default.
• W2078846635 hasConcept C114793014 @default.
• W2078846635 hasConcept C127313418 @default.
• W2078846635 hasConcept C146588470 @default.
• W2078846635 hasConcept C147717901 @default.
• W2078846635 hasConcept C151730666 @default.
• W2078846635 hasConcept C171701179 @default.
• W2078846635 hasConcept C17409809 @default.
• W2078846635 hasConcept C26687426 @default.
• W2078846635 hasConcept C487381 @default.
• W2078846635 hasConcept C58097730 @default.
• W2078846635 hasConcept C5900021 @default.
• W2078846635 hasConcept C63379926 @default.
• W2078846635 hasConcept C77928131 @default.
• W2078846635 hasConcept C79927612 @default.
• W2078846635 hasConceptScore W2078846635C109007969 @default.
• W2078846635 hasConceptScore W2078846635C112764850 @default.
• W2078846635 hasConceptScore W2078846635C114793014 @default.
• W2078846635 hasConceptScore W2078846635C127313418 @default.
• W2078846635 hasConceptScore W2078846635C146588470 @default.
• W2078846635 hasConceptScore W2078846635C147717901 @default.
• W2078846635 hasConceptScore W2078846635C151730666 @default.
• W2078846635 hasConceptScore W2078846635C171701179 @default.
• W2078846635 hasConceptScore W2078846635C17409809 @default.
• W2078846635 hasConceptScore W2078846635C26687426 @default.

• next