Matches in SemOpenAlex for { <https://semopenalex.org/work/W1963549305> ?p ?o ?g. }
Showing items 1 to 90 of
90
with 100 items per page.
- W1963549305 endingPage "1032" @default.
- W1963549305 startingPage "1023" @default.
- W1963549305 abstract "Early Silurian low-pressure (<500 MPa) greenschist to granulite facies metamorphism in Ordovician sedimentary rocks of the Cooma Complex culminating in the production of the Cooma Granodiorite, Lachlan Fold Belt (southeast Australia) provides an opportunity to determine the physical and chemical response of apatite (Ca phosphate) to prograde metamorphism. Electron probe elemental mapping (P, Ca, Ce, Si) of metapelite polished sections shows that apatite grains become less abundant but larger with increasing metamorphic grade (<20 μm at chlorite grade to >200 μm in enclaves in migmatites). Many apatite grains are composite, with clear overgrowths and cloudy cores, which in rare cases contain microscopic inclusions interpreted to delineate microfolds. Therefore, during progressive metamorphism there was dissolution and regrowth of apatite. Recrystallisation and growth of apatite crystals with increasing metamorphic grade was accompanied by the progressive dissolution then regrowth of monazite (Ce – Th phosphate), as previously reported from the Cooma metasedimentary sequence. The Cooma apatites mostly have similar REE patterns at all grades. But upgrade, there is a confluence in REE abundances of apatite grains, indicating an increasing volume of chemical equilibration. Infrared absorbance spectrometry indicates that carbon is present as carbonate substituting for phosphate and hydroxyl ions in the lattice of apatites at all metamorphic grades. Carbonaceous material (graphite?) is only a rare inclusion phase found in the younger clear apatite in the higher-grade rocks. The Cooma apatite study shows that, contrary to previous assertions for earliest (>3700 Ma, amphibolite – granulite facies) metasediments from Greenland, apatite is unlikely to be a stable ‘capsule’ which will reliably protect any biogenic carbon (graphite at high metamorphic grade) from reactions and isotopic exchange during prograde metamorphism." @default.
- W1963549305 created "2016-06-24" @default.
- W1963549305 creator A5002586631 @default.
- W1963549305 date "2007-12-01" @default.
- W1963549305 modified "2023-10-16" @default.
- W1963549305 title "Apatite recrystallisation during prograde metamorphism, Cooma, southeast Australia: implications for using an apatite – graphite association as a biotracer in ancient metasedimentary rocks" @default.
- W1963549305 cites W1986554299 @default.
- W1963549305 cites W1987650276 @default.
- W1963549305 cites W2017175357 @default.
- W1963549305 cites W2021717734 @default.
- W1963549305 cites W2027378229 @default.
- W1963549305 cites W2043479761 @default.
- W1963549305 cites W2049451563 @default.
- W1963549305 cites W2051611088 @default.
- W1963549305 cites W2129065792 @default.
- W1963549305 cites W2131700140 @default.
- W1963549305 cites W2132513004 @default.
- W1963549305 cites W2324137061 @default.
- W1963549305 cites W4236522639 @default.
- W1963549305 cites W4239949232 @default.
- W1963549305 cites W4256444486 @default.
- W1963549305 doi "https://doi.org/10.1080/08120090701488321" @default.
- W1963549305 hasPublicationYear "2007" @default.
- W1963549305 type Work @default.
- W1963549305 sameAs 1963549305 @default.
- W1963549305 citedByCount "22" @default.
- W1963549305 countsByYear W19635493052012 @default.
- W1963549305 countsByYear W19635493052014 @default.
- W1963549305 countsByYear W19635493052016 @default.
- W1963549305 countsByYear W19635493052018 @default.
- W1963549305 countsByYear W19635493052019 @default.
- W1963549305 countsByYear W19635493052020 @default.
- W1963549305 countsByYear W19635493052021 @default.
- W1963549305 countsByYear W19635493052022 @default.
- W1963549305 countsByYear W19635493052023 @default.
- W1963549305 crossrefType "journal-article" @default.
- W1963549305 hasAuthorship W1963549305A5002586631 @default.
- W1963549305 hasBestOaLocation W19635493052 @default.
- W1963549305 hasConcept C109007969 @default.
- W1963549305 hasConcept C112764850 @default.
- W1963549305 hasConcept C114793014 @default.
- W1963549305 hasConcept C127313418 @default.
- W1963549305 hasConcept C146588470 @default.
- W1963549305 hasConcept C17409809 @default.
- W1963549305 hasConcept C18142444 @default.
- W1963549305 hasConcept C199289684 @default.
- W1963549305 hasConcept C26687426 @default.
- W1963549305 hasConcept C2776212575 @default.
- W1963549305 hasConcept C2777746296 @default.
- W1963549305 hasConcept C2778849375 @default.
- W1963549305 hasConcept C3025077 @default.
- W1963549305 hasConcept C37045145 @default.
- W1963549305 hasConcept C79927612 @default.
- W1963549305 hasConceptScore W1963549305C109007969 @default.
- W1963549305 hasConceptScore W1963549305C112764850 @default.
- W1963549305 hasConceptScore W1963549305C114793014 @default.
- W1963549305 hasConceptScore W1963549305C127313418 @default.
- W1963549305 hasConceptScore W1963549305C146588470 @default.
- W1963549305 hasConceptScore W1963549305C17409809 @default.
- W1963549305 hasConceptScore W1963549305C18142444 @default.
- W1963549305 hasConceptScore W1963549305C199289684 @default.
- W1963549305 hasConceptScore W1963549305C26687426 @default.
- W1963549305 hasConceptScore W1963549305C2776212575 @default.
- W1963549305 hasConceptScore W1963549305C2777746296 @default.
- W1963549305 hasConceptScore W1963549305C2778849375 @default.
- W1963549305 hasConceptScore W1963549305C3025077 @default.
- W1963549305 hasConceptScore W1963549305C37045145 @default.
- W1963549305 hasConceptScore W1963549305C79927612 @default.
- W1963549305 hasIssue "8" @default.
- W1963549305 hasLocation W19635493051 @default.
- W1963549305 hasLocation W19635493052 @default.
- W1963549305 hasOpenAccess W1963549305 @default.
- W1963549305 hasPrimaryLocation W19635493051 @default.
- W1963549305 hasRelatedWork W1944113931 @default.
- W1963549305 hasRelatedWork W1963549305 @default.
- W1963549305 hasRelatedWork W1964560749 @default.
- W1963549305 hasRelatedWork W1988455828 @default.
- W1963549305 hasRelatedWork W2061178090 @default.
- W1963549305 hasRelatedWork W2087752877 @default.
- W1963549305 hasRelatedWork W2088723459 @default.
- W1963549305 hasRelatedWork W2515560417 @default.
- W1963549305 hasRelatedWork W2783095297 @default.
- W1963549305 hasRelatedWork W4245648540 @default.
- W1963549305 hasVolume "54" @default.
- W1963549305 isParatext "false" @default.
- W1963549305 isRetracted "false" @default.
- W1963549305 magId "1963549305" @default.
- W1963549305 workType "article" @default.