First evidence for Lower Cretaceous HP/HT-metamorphism in the Eastern Rhodope, North Aegean region, North-East Greece

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dc.contributor.author Wawrzenitz, N en
dc.contributor.author Mposkos, E en
dc.date.accessioned 2014-03-01T11:44:26Z
dc.date.available 2014-03-01T11:44:26Z
dc.date.issued 1997 en
dc.identifier.issn 0935-1221 en
dc.identifier.uri http://hdl.handle.net/123456789/36947
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-0030829091&partnerID=40&md5=8acc2adcc5a1a5eac791050b36a38ed9 en
dc.subject Garnet-clinopyroxenite en
dc.subject Geochronology en
dc.subject HP/HT-metamorphism en
dc.subject Rhodope Zone en
dc.subject Sm-Nd en
dc.subject.classification Mineralogy en
dc.subject.other Cretaceous en
dc.subject.other metamorphism en
dc.subject.other pyroxenite en
dc.subject.other samarium/neodymium dating en
dc.subject.other Greece, Rhodope Massif en
dc.title First evidence for Lower Cretaceous HP/HT-metamorphism in the Eastern Rhodope, North Aegean region, North-East Greece en
heal.type other en
heal.language English en
heal.publicationDate 1997 en
heal.abstract In the Upper Unit of the Eastern Rhodope, North Aegean region, a Sm-Nd whole-rock, garnet and clinopyroxene isochron of a garnet-pyroxenite (metagabbro), corresponding to an age of 119.0 +/- 3.5 Ma, gives first evidence of a Lower Cretaceous UP-event in this area. The garnet-pyroxenites are characterised by the assemblage hornblende-spinel +/- olivine-garnet-clinopyroxene and are part of a metaperidotite complex This complex experienced HP/HT-metamorphism, together with the hosting metapelites and orthogneisses. In all rock types, this was followed by near isothermal decompression during exhumation of the metamorphic rocks. In contrast to the situation in the host rocks, HP-mineral assemblages of the investigated sample were not affected by plastic deformation and retrogression during decompression. It is thus assumed that the isotopic equilibrium attained during HP/HT-metamorphism was not disturbed during later events. In addition, Rb-Sr mica ages indicate differential uplift and different minimum ages of Alpine HP-metamorphism in quartzofeldspathic rocks in different tectonic units of the Eastern Rhodope. en
heal.journalName European Journal of Mineralogy en
dc.identifier.isi ISI:A1997XB31400017 en
dc.identifier.volume 9 en
dc.identifier.issue 3 en
dc.identifier.spage 659 en
dc.identifier.epage 664 en

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