FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2628490887> ?p ?o ?g. }

• W2628490887 endingPage "178" @default.
• W2628490887 startingPage "163" @default.
• W2628490887 abstract "Paleomagnetic and geobarometric results are reported here for the Early Jurassic Granite Mountain batholith, an ~600 km2 granodiorite intrusion in the Yukon-Tanana Terrane. Paleomagnetic analyses of 331 specimens from 24 sites yield magnetite-borne characteristic remanent magnetization (ChRM) directions. Eight northerly and westerly sites display a mean direction A (D=337, I=69°; α95=7.6°, k=54). Another 11 sites appear to be lightning-struck, or exhibit unstable remanence, and 3 sites in a fault-bounded block to the southeast carry an anomalous northeast upwards ChRM direction B. Two sites in a Cretaceous andesite porphyry dyke and its contact zone give a westerly, steep-down ChRM direction, C. Aluminum-in-hornblende geobarometry at 10 sites defi nes emplacement depths of ~16 km in the north and west, and ~19 km in the southeast. The batholith has probably not been signifi cantly tilted since its emplacement, but it may be subdivided into two separate intrusive phases or structural blocks that have experienced differential uplift. Ambient temperatures at 16-19 km were too high for magnetite to record an enduring remanence, so the observed ChRMs likely record uplift of the batholith through ~15 km depth, at 180-170 Ma. Both A and C ChRM directions are similar to those expected for Early Jurassic and Late Cretaceous reference poles, respectively, suggesting that the YukonTanana Terrane is not far-traveled with respect to cratonic North America since Early Jurassic time. RESUME Les auteurs rapportent des resultats paleomagnetiques et geobarometriques relatifs au batholite de Granite Mountain, datant du Jurassique precoce, qui est une intrusion de granodiorite d’environ 600 km2 dans le terrane de YukonTanana. Les analyses paleomagnetiques effectuees sur 331 echantillons provenant de 24 sites fournissent des directions de magnetisation remanente caracteristique (ChRM) dans la magnetite. Huit sites au nord et a l’ouest presentent une direction moyenne A (D=337, I=69°; α95=7,6°, k=54). Onze autres sites semblent avoir ete frappes par la foudre ou presenter une remanence instable, et trois sites dans un bloc limite par des failles au sud-est presentent une direction de ChRM B anormale ascendante nord-est. Deux sites, situes dans un dyke de porphyre d’andesite datant du Cretace ainsi que dans la zone de contact du dyke, presentent une direction de ChRM C plongeant abruptement vers l’ouest. Dans dix sites, la geobarometrie de l’aluminium dans la hornblende indique que la profondeur de mise en place est d’environ 16 km, au nord et a l’ouest, et d’environ 19 km, au sud-est. Le batholite ne s’est probablement pas incline de facon signifi cative depuis sa mise en place, mais il peut etre subdivise en deux phases intrusives ou blocs structuraux distincts, qui ont subi un soulevement differentiel. Entre 16 et 19 km, les temperatures ambiantes etaient trop elevees pour que la magnetite presente une remanence durable; par consequent, les directions de ChRM observees remontent probablement a l’epoque du soulevement du batholite a environ 15 km de profondeur, il y a entre 180 et 170 millions d’annees. Les directions de ChRM A et B sont toutes deux similaires a celles prevues respectivement pour les poles de references au Jurassique precoce et au Cretace tardif, ce qui suggere que le terrane de Yukon-Tanana ne s’est pas deplace sur une grande distance par rapport a l’Amerique du Nord cratonique depuis le Jurassique precoce. 1Earth Sciences, University of Western Ontario, London, Ontario, Canada N6A 5B7, pjam@julian.uwo.ca 2Earth Sciences, University of Windsor, Windsor, Ontario N9B 3P4, dsymons@uwindsor.ca, blackbu@uwindsor.ca 3craig.hart@gov.yk.ca" @default.
• W2628490887 created "2017-06-30" @default.
• W2628490887 creator A5001767836 @default.
• W2628490887 creator A5018871980 @default.
• W2628490887 creator A5019381826 @default.
• W2628490887 creator A5079675412 @default.
• W2628490887 date "2001-01-01" @default.
• W2628490887 modified "2023-09-25" @default.
• W2628490887 title "Paleomagnetism and geobarometry of the Granite Mountain batholith, Yukon: Minimal geotectonic motion of the Yukon-Tanana Terrane relative to North America" @default.
• W2628490887 cites W1903811647 @default.
• W2628490887 cites W1975617300 @default.
• W2628490887 cites W1982967430 @default.
• W2628490887 cites W1990331321 @default.
• W2628490887 cites W1991698303 @default.
• W2628490887 cites W1995751553 @default.
• W2628490887 cites W2004844251 @default.
• W2628490887 cites W2007662642 @default.
• W2628490887 cites W2013883793 @default.
• W2628490887 cites W2019877001 @default.
• W2628490887 cites W2023910005 @default.
• W2628490887 cites W2035837337 @default.
• W2628490887 cites W2049598998 @default.
• W2628490887 cites W2050904127 @default.
• W2628490887 cites W2082048561 @default.
• W2628490887 cites W2082844473 @default.
• W2628490887 cites W2084955401 @default.
• W2628490887 cites W2105662998 @default.
• W2628490887 cites W2107144997 @default.
• W2628490887 cites W2118204502 @default.
• W2628490887 cites W2118347377 @default.
• W2628490887 cites W2127236625 @default.
• W2628490887 cites W2332686019 @default.
• W2628490887 cites W2974218786 @default.
• W2628490887 cites W575084523 @default.
• W2628490887 hasPublicationYear "2001" @default.
• W2628490887 type Work @default.
• W2628490887 sameAs 2628490887 @default.
• W2628490887 citedByCount "2" @default.
• W2628490887 countsByYear W26284908872019 @default.
• W2628490887 crossrefType "journal-article" @default.
• W2628490887 hasAuthorship W2628490887A5001767836 @default.
• W2628490887 hasAuthorship W2628490887A5018871980 @default.
• W2628490887 hasAuthorship W2628490887A5019381826 @default.
• W2628490887 hasAuthorship W2628490887A5079675412 @default.
• W2628490887 hasConcept C119477230 @default.
• W2628490887 hasConcept C12294951 @default.
• W2628490887 hasConcept C127313418 @default.
• W2628490887 hasConcept C150999391 @default.
• W2628490887 hasConcept C151730666 @default.
• W2628490887 hasConcept C172660882 @default.
• W2628490887 hasConcept C17409809 @default.
• W2628490887 hasConcept C189479680 @default.
• W2628490887 hasConcept C2777212541 @default.
• W2628490887 hasConcept C2777229588 @default.
• W2628490887 hasConcept C2777992645 @default.
• W2628490887 hasConcept C2779870107 @default.
• W2628490887 hasConcept C77928131 @default.
• W2628490887 hasConceptScore W2628490887C119477230 @default.
• W2628490887 hasConceptScore W2628490887C12294951 @default.
• W2628490887 hasConceptScore W2628490887C127313418 @default.
• W2628490887 hasConceptScore W2628490887C150999391 @default.
• W2628490887 hasConceptScore W2628490887C151730666 @default.
• W2628490887 hasConceptScore W2628490887C172660882 @default.
• W2628490887 hasConceptScore W2628490887C17409809 @default.
• W2628490887 hasConceptScore W2628490887C189479680 @default.
• W2628490887 hasConceptScore W2628490887C2777212541 @default.
• W2628490887 hasConceptScore W2628490887C2777229588 @default.
• W2628490887 hasConceptScore W2628490887C2777992645 @default.
• W2628490887 hasConceptScore W2628490887C2779870107 @default.
• W2628490887 hasConceptScore W2628490887C77928131 @default.
• W2628490887 hasLocation W26284908871 @default.
• W2628490887 hasOpenAccess W2628490887 @default.
• W2628490887 hasPrimaryLocation W26284908871 @default.
• W2628490887 hasRelatedWork W157200606 @default.
• W2628490887 hasRelatedWork W1965168717 @default.
• W2628490887 hasRelatedWork W1990331321 @default.
• W2628490887 hasRelatedWork W1990577839 @default.
• W2628490887 hasRelatedWork W1995751553 @default.
• W2628490887 hasRelatedWork W2005806619 @default.
• W2628490887 hasRelatedWork W2018160600 @default.
• W2628490887 hasRelatedWork W2024439893 @default.
• W2628490887 hasRelatedWork W2041226839 @default.
• W2628490887 hasRelatedWork W2049598998 @default.
• W2628490887 hasRelatedWork W2058277780 @default.
• W2628490887 hasRelatedWork W2063421616 @default.
• W2628490887 hasRelatedWork W2065337005 @default.
• W2628490887 hasRelatedWork W2080212362 @default.
• W2628490887 hasRelatedWork W2082145227 @default.
• W2628490887 hasRelatedWork W2083221725 @default.
• W2628490887 hasRelatedWork W2118204502 @default.
• W2628490887 hasRelatedWork W2118347377 @default.
• W2628490887 hasRelatedWork W2126265143 @default.
• W2628490887 hasRelatedWork W2922529815 @default.
• W2628490887 isParatext "false" @default.
• W2628490887 isRetracted "false" @default.
• W2628490887 magId "2628490887" @default.
• W2628490887 workType "article" @default.