{"refrec":{"BRefID":16225,"RR":"<b>Linthout, K.; Helmers, H.; Sopaheluwakan, J.; Surya Nila, E.</b> (1989). Metamorphic complexes in Buru and Seram, northern Banda Arc. <i>Neth. J. Sea Res. 24(2-3)</i>: 345-356","BEntID":16225,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>Neth. J. Sea Res. 24(2-3)</i>: 345-356","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Linthout, K.; Helmers, H.; Sopaheluwakan, J.; Surya Nila, E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Linthout, K. <i>et al.</i>","Englishabstract":"The Palaeozoic Wahlua complex of Southeast Buru and the Tehoru complex of Central Seram are chiefly composed of graphitic phyllites/ schists and arkosic quartzites with minor intercalations of marble and amphibolite. The complexes show similar polyphase deformation and pre-Triassic metamorphic history as reflected in their simple (Barrovian-style) PT-loops. Both complexes may very well have originated in the same pre-Triassic metamorphic belt. Mylonite structures in the northern part of the Tehoru complex indicate right-lateral, N300E directed movements, and are explained as strike-slip along a transcurrent fault separating a southern metamorphic block from a northern essentially Triassic and younger non-metamorphic block. These movements in their turn are caused by the anticlockwise rotation of Seram since late-Triassic times. In Kaibobo, phyllonites and amphibolites adjacent to the ultramafic net-veined complex reveal temperatures of metamorphism of up to 740°C; these are explained as superimposed upside-down metamorphism caused by an overriding late-Miocene to early-Pliocene ultramafic sheet. Surprisingly young K/Ar ages of 4 to 5 Ma of biotites and muscovites from Wahlua and Tehoru complex are explained by re-heating of the pre-Triassic mica blasts due to overthrusting by hot mantle slabs, now largely eroded away. An average uplift rate of about 0.1 cm·a <sup>-1</sup> during the last 4-5 Ma is calculated for Southeast Buru and Central Seram. Thrusting of metamorphics over non-metamorphics in 'median' Seram and of the ultramafic sheet in Southwest Seram may be also related to the anticlockwise rotation of Seram.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Metamorphic complexes in Buru and Seram, northern Banda Arc","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1989,"MonPub":null,"DateUpdate":"2019-07-10","DateCreate":"2001-08-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1989CK14200021","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":16225,"PubliDate":1989,"Pagination":"345-356","XtraPublOfAnaID":null,"ISBN":null,"Volume":"24","Issue":"2-3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44573,"SerRR":"Netherlands Journal of Sea Research. 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