FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2000396031> ?p ?o ?g. }

• W2000396031 endingPage "218" @default.
• W2000396031 startingPage "200" @default.
• W2000396031 abstract "The Opinaca Subprovince in the Superior Province of northern Québec is a metasedimentary belt characterized by metagreywacke rocks that record a late Archean granulite facies metamorphism and contains abundant thin veins of leucogranite. Regional-scale study of this subprovince provides insight to the net budget of anatectic melt (loss versus accumulation) in the lower middle continental crust during anatexis. A petrological study indicates that the metagreywackes partially melted at ~ 820 °C and ~ 7 kbar and generated < 10% melt with orthopyroxene ± garnet as peritectic phases. The metagreywackes contain various amounts of leucogranite in thin veins, sills and dykes injected sub-parallel to the subvertical E–W striking main foliation. Study of more than 1070 outcrops indicates that the “typical outcrop” contains ~ 63% of leucogranite; far more than the maximum 10% of melt produced in-situ from the host rocks. Crystallization ages obtained by U–Pb SHRIMP analysis of zircons from both the migmatites and the leucogranite veins indicate that the granulite facies metamorphism and the injection of veins were contemporary and occurred during slow cooling (6 °C My− 1) from the metamorphic peak at 2666 Ma to the granite solidus at 2636 Ma. The large discrepancy (about 50%) between the volume of anatectic melt produced locally (in situ) and the observed volume of leucogranite in the terrain indicates that anatectic melt accumulated in the Opinaca Subprovince; it is an injection complex. This finding that granulite facies terranes can be enriched in melt contrasts with the general view that granulite terranes are melt-depleted. The presence of an injection complex in the deep crust has several broad implications for the continental crust. 1) H2O released as the injected melt crystallized rehydrated the adjacent granulite facies rocks which is evident from orthopyroxene replaced by amphibole and biotite. Consequently, these deep rocks would be more fertile in a subsequent anatectic event than non-rehydrated residuum. 2) The retention of voluminous leucogranite in the injection complex has thermal consequences for the crust. First, the bulk composition of the crust containing the injection complex is necessarily more felsic, thus the budget of heat-producing elements (Th, U and K) is locally enhanced and radiogenic heat production is higher. Secondly, latent heat of crystallization is released at a deeper level where the leucogranite solidifies. The combined effect of both maintains the lower crust several tens of degrees warmer for longer period of time." @default.
• W2000396031 created "2016-06-24" @default.
• W2000396031 creator A5008770740 @default.
• W2000396031 creator A5026309825 @default.
• W2000396031 creator A5082672463 @default.
• W2000396031 date "2013-05-01" @default.
• W2000396031 modified "2023-10-16" @default.
• W2000396031 title "Large volumes of anatectic melt retained in granulite facies migmatites: An injection complex in northern Quebec" @default.
• W2000396031 cites W1508475991 @default.
• W2000396031 cites W1530816683 @default.
• W2000396031 cites W1534418660 @default.
• W2000396031 cites W1537067100 @default.
• W2000396031 cites W1903023940 @default.
• W2000396031 cites W1963706427 @default.
• W2000396031 cites W1970697513 @default.
• W2000396031 cites W1971546967 @default.
• W2000396031 cites W1972112327 @default.
• W2000396031 cites W1973012528 @default.
• W2000396031 cites W1977622577 @default.
• W2000396031 cites W1979098181 @default.
• W2000396031 cites W1985691504 @default.
• W2000396031 cites W1986650368 @default.
• W2000396031 cites W1991919649 @default.
• W2000396031 cites W1994763452 @default.
• W2000396031 cites W1999454216 @default.
• W2000396031 cites W2001561775 @default.
• W2000396031 cites W2003458855 @default.
• W2000396031 cites W2005874889 @default.
• W2000396031 cites W2012177214 @default.
• W2000396031 cites W2013791489 @default.
• W2000396031 cites W2015854979 @default.
• W2000396031 cites W2016549469 @default.
• W2000396031 cites W2019242794 @default.
• W2000396031 cites W2019645618 @default.
• W2000396031 cites W2021147759 @default.
• W2000396031 cites W2023978647 @default.
• W2000396031 cites W2031708309 @default.
• W2000396031 cites W2032716305 @default.
• W2000396031 cites W2033408311 @default.
• W2000396031 cites W2037093925 @default.
• W2000396031 cites W2039039175 @default.
• W2000396031 cites W2040287076 @default.
• W2000396031 cites W2050320960 @default.
• W2000396031 cites W2054689439 @default.
• W2000396031 cites W2057731022 @default.
• W2000396031 cites W2058140378 @default.
• W2000396031 cites W2068403951 @default.
• W2000396031 cites W2071029078 @default.
• W2000396031 cites W2073599883 @default.
• W2000396031 cites W2078924144 @default.
• W2000396031 cites W2079060170 @default.
• W2000396031 cites W2079169103 @default.
• W2000396031 cites W2081069181 @default.
• W2000396031 cites W2081507714 @default.
• W2000396031 cites W2086369166 @default.
• W2000396031 cites W2092838869 @default.
• W2000396031 cites W2093845350 @default.
• W2000396031 cites W2094101024 @default.
• W2000396031 cites W2096389188 @default.
• W2000396031 cites W2102198333 @default.
• W2000396031 cites W2102927140 @default.
• W2000396031 cites W2103188668 @default.
• W2000396031 cites W2118354289 @default.
• W2000396031 cites W2131360256 @default.
• W2000396031 cites W2134502130 @default.
• W2000396031 cites W2150295324 @default.
• W2000396031 cites W2155192741 @default.
• W2000396031 cites W2156402670 @default.
• W2000396031 cites W2162607179 @default.
• W2000396031 cites W2164366060 @default.
• W2000396031 cites W2259808983 @default.
• W2000396031 cites W2317096966 @default.
• W2000396031 cites W2318733152 @default.
• W2000396031 doi "https://doi.org/10.1016/j.lithos.2013.02.007" @default.
• W2000396031 hasPublicationYear "2013" @default.
• W2000396031 type Work @default.
• W2000396031 sameAs 2000396031 @default.
• W2000396031 citedByCount "55" @default.
• W2000396031 countsByYear W20003960312013 @default.
• W2000396031 countsByYear W20003960312014 @default.
• W2000396031 countsByYear W20003960312015 @default.
• W2000396031 countsByYear W20003960312016 @default.
• W2000396031 countsByYear W20003960312017 @default.
• W2000396031 countsByYear W20003960312018 @default.
• W2000396031 countsByYear W20003960312019 @default.
• W2000396031 countsByYear W20003960312020 @default.
• W2000396031 countsByYear W20003960312021 @default.
• W2000396031 countsByYear W20003960312022 @default.
• W2000396031 countsByYear W20003960312023 @default.
• W2000396031 crossrefType "journal-article" @default.
• W2000396031 hasAuthorship W2000396031A5008770740 @default.
• W2000396031 hasAuthorship W2000396031A5026309825 @default.
• W2000396031 hasAuthorship W2000396031A5082672463 @default.
• W2000396031 hasConcept C109007969 @default.
• W2000396031 hasConcept C112764850 @default.
• W2000396031 hasConcept C114793014 @default.
• W2000396031 hasConcept C119073576 @default.
• W2000396031 hasConcept C120806208 @default.

• next