{"id":38059,"date":"2021-01-11T08:43:48","date_gmt":"2021-01-11T08:43:48","guid":{"rendered":"https:\/\/www.hgi-cgs.hr\/?page_id=38059"},"modified":"2021-01-11T08:47:00","modified_gmt":"2021-01-11T08:47:00","slug":"the-early-paleozoic-cumulate-gabbroic-rocks-from-the-southwest-part-of-the-tisza-mega-unit-mt-papuk-ne-croatia-evidence-of-a-gondwana-suture-zone","status":"publish","type":"page","link":"https:\/\/www.hgi-cgs.hr\/en\/the-early-paleozoic-cumulate-gabbroic-rocks-from-the-southwest-part-of-the-tisza-mega-unit-mt-papuk-ne-croatia-evidence-of-a-gondwana-suture-zone\/","title":{"rendered":"The early Paleozoic cumulate gabbroic rocks from the southwest part of the Tisza Mega-Unit (Mt. Papuk, NE Croatia): evidence of a Gondwana suture zone"},"content":{"rendered":"

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NAJNOVIJI OBJAVLJENI RADOVI<\/strong><\/h2>\n

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The early Paleozoic cumulate gabbroic rocks from the southwest part of the Tisza Mega-Unit (Mt. Papuk, NE Croatia): evidence of a Gondwana suture zone<\/h2>\n

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Suradnja znanstvenika iz HGI-a, Damira Sloveneca, Mirka Belaka i Ivana Mi\u0161ura s kolegama Branimirom \u0160egvi\u0107em (Texas Tech University, Lubbock, USA) i Ralfom Schusterom (Geological Survey of Austria, Vienna, Austria) rezultirala je objavom znanstvenog rada naslova \u201cThe early Paleozoic cumulate gabbroic rocks from the southwest part of the Tisza Mega-Unit (Mt. Papuk, NE Croatia)<\/a><\/span> – evidence of a Gondwana suture zone\u201d u \u010dasopisu International Journal of Earth Sciences.<\/p>\n

U radu se prezentiraju rezultati istra\u017eivanja heteroadkumulatnih gabronoritnih stijena koje izdanjuju na ju\u017enim padinama Papuka smje\u0161tenih na ju\u017enom rubu Tisija mega jedinice. Ove stijene, koje potje\u010du iz dubljih dijelova oceanske kore, karakterizira kristalizacijski slijed minerala (spinel, piroksen, plagioklas, amfibol) tipi\u010dan za sub-solidus kristalizaciju u otvorenom sustavu pri visokim temperaturama (780\u20131120 \u00b0C) \u00a0i srednjim tlakovima (0,32\u20130,74 GPa). Kemizam primarnih mineralnih faza, kao i same stijene sugeriraju sna\u017ean utjecaj subdukcijskih procesa tipi\u010dan za mafitne intruzije nastale iznad pla\u0161tnog klina u korijenu oto\u010dnog luka na dubini izme\u0111u 10 i 21 km. Prikazani geokemijski i izotopni podaci (40<\/sup>Ar-39<\/sup>Ar: 487,1 \u00b1 4,3 Ma i Sm-Nd: 505 Ma) indiciraju postojanje intra-oceanskog luka povezanog s geodinamskim doga\u0111ajima u Prototetiskom oceanskom podru\u010dju s.l.<\/em> tijekom razdoblja srednjeg kambrija do najranijeg ordovicija. Ti su doga\u0111aji vjerojatno bili povezani sa subduciranjem Quaidam(?) zalu\u010dnog oceana ili, alternativno, sa subdukcijom i zatvaranjem pojedinih segmenata Prototetisa smje\u0161tenih izme\u0111u mikrokontinentalnih fragmenata Azije. Zatvaranje tih zalu\u010dnih oceana dovelo je do fragmentacije kore, a zatim i do smje\u0161tavanja nemetamorfoziranih mafita na obduciranu sekvencu udaljenu od aktivnih kontinentalnih rubova Gondwane i Laurassije u vrijeme formiranja Pangeae tijekom razdoblja kasnog paleozoika.<\/p>\n

Rad je dostupan na poveznici: https:\/\/link.springer.com\/article\/10.1007\/s00531-020-01896-8<\/a> .<\/em><\/a><\/span><\/p>\n

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NAJNOVIJI OBJAVLJENI RADOVIThe early Paleozoic cumulate gabbroic rocks from the southwest part of the Tisza Mega-Unit (Mt. Papuk, NE Croatia): evidence of a Gondwana suture zone Suradnja znanstvenika iz HGI-a, Damira Sloveneca, Mirka Belaka i Ivana Mi\u0161ura s kolegama Branimirom \u0160egvi\u0107em (Texas Tech University, Lubbock, USA) i Ralfom Schusterom (Geological Survey of Austria, Vienna, Austria) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-38059","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.hgi-cgs.hr\/en\/wp-json\/wp\/v2\/pages\/38059","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hgi-cgs.hr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hgi-cgs.hr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hgi-cgs.hr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hgi-cgs.hr\/en\/wp-json\/wp\/v2\/comments?post=38059"}],"version-history":[{"count":3,"href":"https:\/\/www.hgi-cgs.hr\/en\/wp-json\/wp\/v2\/pages\/38059\/revisions"}],"predecessor-version":[{"id":38064,"href":"https:\/\/www.hgi-cgs.hr\/en\/wp-json\/wp\/v2\/pages\/38059\/revisions\/38064"}],"wp:attachment":[{"href":"https:\/\/www.hgi-cgs.hr\/en\/wp-json\/wp\/v2\/media?parent=38059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}