| | Journal (article/letter/editorial) | exhumation in blueschist-facies rocks from Syros (Cyclades; Greece). Lawsonite is a hydrous mineral that crystallizes...top-to-the-south sense of shear preserved in lawsonite pseudomorphbearing blueschists on Syros occurred...and exhumation are not synchronous. Key words: Aegean; exhumation; lawsonite blueschists; slab rollback;...diopsidic clinopyroxene; ep, epidote; g, garnet; gl, glaucophane; hb, hornblende; law, lawsonite; mu, muscovite;...Jolivet & Goffe, 2000; Mehl et al., 2005). In the Aegean region, several models have been proposed to explain | | | Journal (article/letter/editorial) | high-pressure metagabbros and metabasalts (Cyclades, Greece): implications for the subduction of oceanic crust...and metabasalts from the Cycladic archipelago (Greece) document the scale and timing of ÂŻuid±rock interaction...metagabbros have low d18O values: garnet 2.6 to 5.9&, glaucophane 4.3 to 7.1&; omphacite 3.5 to 6.2&. Precursor...isotopic compositions (garnet 9.2 to 11.5&, glaucophane 10.6 to 12.5&, omphacite 10.2 to 12.8&), which...low-temperature alteration by seawater. D/H ratios of glaucophane and actinolite are also consistent with alteration | | Laurent, Valentin, Lanari, Pierre, NaĂŻr, InĂšs, Augier, Romain, Lahfid, Abdeltif, Jolivet, Laurent (2018) Exhumation of eclogite and blueschist (Cyclades, Greece): Pressure-temperature evolution determined by thermobarometry and garnet equilibrium modelling. Journal of Metamorphic Geology, 36 (6) 769-798 doi:10.1111/jmg.12309 | Journal (article/letter/editorial) | Exhumation of eclogite and blueschist (Cyclades, Greece):Pressure-temperature evolution determined by thermobarometry...debated. Although the Cycladic Blueschist Unit (CBU, Greece) is among the best worldwide examples for the preservation...trajectory for different subunits of the CBU on Syros. High-resolution quantitative compositional mapping...peak temperature distribution at the scale of the island. A major result of this study is the good agreement...(CBU), cropping out in the Cycladic archipelago (Greece), is one of the best worldwide examples of a fossilized | | Nikolakopoulos, Konstantinos, Lampropoulou, Paraskevi, Fakiris, Elias, Sardelianos, Dimitris, Papatheodorou, George (2018) Synergistic Use of UAV and USV Data and Petrographic Analyses for the Investigation of Beachrock Formations: A Case Study from Syros Island, Aegean Sea, Greece. Minerals, 8 (11) 534 doi:10.3390/min8110534 | Journal (article/letter/editorial) | Beachrock Formations: A Case Study from Syros Island, Aegean Sea, Greece Konstantinos G. Nikolakopoulos 1,...of Geology, University of Patras, 265 04 Patras, Greece; p.lampropoulou@upatras.gr Department of Geology...Oceanography, University of Patras, 265 04 Patras, Greece; fakiris@upatras.gr (E.F.); gpapathe@upatras.gr...General Partnership, Ath. Diakou, 265 00 Patras, Greece; dsardel@gmail.com Correspondence: knikolakop@upatras...surface vehicle (USV) for beachrock mapping in Syros Island, Greece. RGB images collected with a quadcopter | | | Report (chapter) | extending orogens: the exhumation of HP rocks on Syros (Cyclades) revisited C L A R E E. B O N D 1'2, R...high-pressure blueschist terrane (Ermoupolis Unit) of Syros shows abundant evidence of subhorizontal extension...that blueschists of the Attic-Cycladic belt in the Aegean had been exhumed in the footwall to major low-angle...has since seen widespread use, not only in the Aegean but also in other parts of the Mediterranean (e...high-pressure terrane. The study area is the island of Syros, in the heart of the Attic-Cyclades blueschist | | | Journal (article/letter/editorial) | doi:10.1093/petrology/egn042 Glaucophane-bearing Marbles on Syros, Greece JOHN C. SCHUMACHER1*, JOHN B...metamorphism. The occurrence of glaucophane-bearing marbles on Syros is noteworthy because reports of...that contain glaucophane are rare among descriptions of high-pressure marbles. On Syros, the marbles...contain assemblages of various combinations of glaucophane/ ferroglaucophane, Na-pyroxene (omphacite to...composition of the marbles. The occurrence of glaucophane ĂŸ CaCO3 ĂŸ dolomite ĂŸ quartz suggests that the | | | Journal (article/letter/editorial) | 40Ar/39Ar and RbâSr white mica ages from Syros and Sifnos, Greece: a record of continuous (re)crystallization...Attic-Cycladic crystalline belt in the central Aegean region records a complex structural and metamorphic...greenschist facies samples from the islands of Syros and Sifnos. White mica geochronology indicates a...RbâSr ages suggest maximum ages of 20.6 0.8 Ma (Syros) and 22.5 0.6 Ma (Sifnos) for the timing of greenschist...evolution of the Aegean. Key words: 40 Ar/39Ar; greenschist facies overprint; RbâSr; Sifnos; Syros. INTRODUCTION | | Lagos, Markus, Scherer, Erik E., Tomaschek, Frank, MĂŒnker, Carsten, Keiter, Mark, Berndt, Jasper, Ballhaus, Chris (2007) High precision LuâHf geochronology of Eocene eclogite-facies rocks from Syros, Cyclades, Greece. Chemical Geology, 243 (1) 16-35 doi:10.1016/j.chemgeo.2007.04.008 | Journal (article/letter/editorial) | geochronology of Eocene eclogite-facies rocks from Syros, Cyclades, Greece Markus Lagos a,b,â, Erik E. Scherer a ...investigated by LuâHf geochronology. Eclogites from Syros Island yield precise ages of 52.2 ± 0.3 Ma, 51.4 ±...maximum reported white mica RbâSr and ArâAr ages from Syros. Garnet growth in all samples apparently took place...2007 Elsevier B.V. All rights reserved. Keywords: Syros; Cyclades; HP/LT metamorphism; Eclogite; LuâHf geochronology;...extends from the Olympos Window (mainland Greece) through the Aegean Sea to the Turkish coast (Blake et al | | | Journal (article/letter/editorial) | unusual eclogite-facies rocks from Syros and Tinos (Cyclades, Greece) MICHAEL BRĂCKER* & MICHAEL ENDERSâ ...Low-temperature eclogite-facies rocks from Syros and Tinos (Cyclades, Greece) include meta-igneous blocks of unclear...age of 78 ± 1 Ma recorded for an omphacitite from Syros is interpreted as the time of pre-Eocene high-pressure...high-pressure stages were recognized on mainland Greece (Bavay et al. 1980; Maluski et al. 1981; Schermer...new geochronological results from the islands of Syros and Tinos (Fig. 1) are reported. The emphasis is | | | Journal (article/letter/editorial) | ages recorded in high pressure rocks (Syros, Cyclades, Greece) B. Putlitza,*, M.A. Coscaa,1, J.C. Schumacherb...blueschist-facies sequences of the Cycladic island of Syros (Greece) have been dated by the in situ UV-laser...high pressure rocks from the Cyclades in the Aegean Sea (Greece), which is a classical example of a high...setting The Cycladic Metamorphic Complex in the Aegean Sea is a classic example of a high pressure belt...assemblages are best preserved on the islands of Syros (Fig. 1), Sifnos and Tinos. Studies and disciplines | | | Journal (article/letter/editorial) | mica ages from the Cycladic Blueschist Belt, Syros (Greece). R. A. CLIFF1, C. E. BOND2, R. W. H. BUTLER...metabasites from the Cycladic Blueschist Belt on Syros. The majority are from samples that have well-preserved...systems. North of the Serpentinite Belt in northern Syros, phengite RbâSr ages are generally between 53 and...Ma, comparable to previous dates from this area. South of the Serpentinite Belt phengite in blueschist...words; blueschist, exhumation, phengite, RbâSr ages, Syros INTRODUCTION Considerable progress has been made | | | Journal (article/letter/editorial) | 901â920 Exhumation of Syros and Sifnos metamorphic rocks (Cyclades, Greece). New constraints on the...levels are recognised in the metamorphic pile of Syros and Sifnos. Well-preserved eclogites and blueschists...cooling. Key-words: exhumation, Cyclades, Sifnos, Syros, multi-equilibrium thermobarometry, P-T paths. ...a back-arc environment. In many islands of the Aegean domain, well-preserved high-pressure rocks occur...b). However, it is noteworthy that on Sifnos and Syros, the eclogites and blueschists generally occur at | | | Journal (article/letter/editorial) | petrology of blueschist-facies hybrid rocks from Syros (Greece): Implications for reactions at the slabâmantle...Available online 8 August 2008 Keywords: Cyclades Aegean Metasomatism Blackwall Subduction zone High-pressure...mĂ©lange zone of that type is found in northern Syros, where metasomatic reaction zones (âblackwallsâ)...the assemblages (I) glaucophane + garnet + phengite + epidote, (II) glaucophane + epidote + chlorite...largely ignored in traditional models of mantle and island-arc geochemistry. However, metasomatic rocks associated | | | Journal (article/letter/editorial) | high-pressure/ low-temperature meÌlange of Syros, Greece: age diversity and the importance of pre-Eocene...ABSTRACT The Cycladic blueschist belt in the central Aegean Sea has experienced high-pressure (HP) metamorphism...the blockâmatrix association exposed on the island of Syros. Two gneisses from a tectonic slab of this...single Tertiary HP event. Key words: Cyclades; Greece; jadeitite; metasomatism; zircon geochronology...Attic-Cycladic crystalline belt (ACCB) in the central Aegean region (Fig. 1) represents a polymetamorphic terrane | | | Journal (article/letter/editorial) | retrogression in blueschist metapelites of Tinos Island (Greece) evidenced by chloriteâmica local equilibria...deformation of the Cycladic Blueschists unit on Tinos Island evolves along a NE â SW gradient of noncoaxial...from the upper ophiolitic unit in the NE of the island. The compositional variability of chlorite and...a warmer P â T path during the formation of the Aegean sea. Between the two stages of exhumation, there...Science B.V. All rights reserved. Keywords: Tinos Island; HP/LT metapelites; P â T path; Chlorites; Phengites; | | | Journal (article/letter/editorial) | high-pressure metamorphic rocks: a case study from Syros (Greece) Horst R. Marschall · Rainer Altherr · Katalin...and their metasomatised rinds from the island of Syros (Greece) were analysed for their B and Cl whole-rock...samples demonstrate an enrichment of Li in the Syros HP mĂ©lange during fluid infiltration. This study...rocks from two different groups from the island of Syros (Greece). The first group comprises HPM rocks that...Geological background and investigated samples The island of Syros displays a sequence of rocks belonging to the | | Baziotis, Ioannis, Proyer, Alexander, Mposkos, Evripides, Windley F., Brian, Boukouvala, Ioanna (2019) Exhumation of the high-pressure northwestern Cyclades, Aegean: New P-T constraints, and geodynamic evolution. Lithos, 324. 439-453 doi:10.1016/j.lithos.2018.11.027 | Journal (article/letter/editorial) | Exhumation of the high-pressure northwestern Cyclades, Aegean: New P-T constraints, and geodynamic evolution...Exhumation of the high-pressure northwestern Cyclades, Aegean: New P-T constraints, and geodynamic evolution...Exhumation of the high-pressure northwestern Cyclades, Aegean: new P-T constraints, and geodynamic evolution...Agricultural Univ. of Athens, Iera Odos 75, 11855 Athens, Greece, ibaziotis@aua.gr, Department of Earth and Environmental...Heroon Politechniou St., Zografou, Athens, GR-15780, Greece Department of Geology, The University of Leicester | | | Journal (article/letter/editorial) | greenschist-facies rocks on the island of Syros, Aegean Sea, Greece. The shear zone is steeply dipping...inner type I haloes are composed of nearly pure glaucophane schist and were formed by metasomatic addition...of a carbonated blueschist-facies assemblage (glaucophane ĂŸ calcite ĂŸ phengite ĂŸ epidote ĂŸ garnet ĂŸ quartz)...setting Syros forms part of the Cyclades archipelago in the Aegean Sea (Fig. 1a). The island is situated...2008a). Geology of Syros Most rocks on Syros belong to the CBU (Fig. 1b). On Syros the CBU can be subdivided | | Katerinopoulou, A., Katerinopoulos, A., Bieniok, A., Knop, E., Magganas, A., Amthauer, G. (2007) Crystal chemistry, structure analyses and phase transition experiment on an omphacite from eclogitic metagabbro from Syros island, Greece. Mineralogy and Petrology, 91 (1) 117-128 doi:10.1007/s00710-007-0185-5 | Journal (article/letter/editorial) | omphacite from eclogitic metagabbro from Syros island, Greece A. Katerinopoulou1 , A. Katerinopoulos2...and Geoenvironment, Athens University, Athens, Greece Received December 20, 2005; revised version accepted...Milke Summary Pyroxene samples, from the Greek island of Syros, taken from a blueschist-eclogite facies Mg-rich...Katerinopoulou et al. Fig. 1. Crystal structure of Syros omphacite (ATOMS, Dowty, 1995). View of the câb...alternate Omphacite from eclogitic metagabbro from Syros island 119 M2 sites are statistically occupied by | | | Journal (article/letter/editorial) | metamorphism at the Almyropotamos window (southern Evia, Greece) YONATHAN SHAKED*, DOV AVIGAD & ZVI GARFUNKEL Institute...Extensional structures have affected the central Aegean region and obliterated much of the original orogenic...Almyropotamos (on the island of Evia, flanking the western part of the Aegean) a unique remnant compressional...unit on top of a lower grade unit. The upper unit (South Evia Blueschist Belt) is thought to be the westward...different rock units exposed there. The presence of glaucophane, lawsonite rimmed by epidote, and jadeite (70 | | Altherr, Rainer, Soder, Christian, Panienka, Sandra, Peters, Daniel, Meyer, Hans-Peter (2013) Pink manganian phengite in a high P/T meta-conglomerate from northern Syros (Cyclades, Greece) Contributions to Mineralogy and Petrology, 166 (5) 1323-1334 doi:10.1007/s00410-013-0929-7 | Journal (article/letter/editorial) | high P/T meta-conglomerate from northern Syros (Cyclades, Greece) Rainer Altherr âą Christian Soder âą Sandra...metamorphic rocks on the Palos peninsula of Syros (Greece). Near the summit of Mount PrıÌonas, a meta-conglomerate...PâT conditions of high-pressure metamorphism on Syros (*1.4 GPa/ 470 °C), the mineral sub-assemblage braunite... Hollandite High-pressure metamorphism Syros Greece Introduction Alurgite is the old name for...northern Syros, Greece, and we try to interpret its paragenesis. Geological setting The island of Syros | | | Journal (article/letter/editorial) | Schist, Santa Catalina Island, CA, and Attic-Cycladic Complex, Syros, Greece) in order to investigate...across a Syros mafic eclogite block with a narrow chlorite schist reaction zone and broader glaucophane-rich...block and serpentinite. A second sample set from Syros was chosen across a contact zone between a meta-tuffite...mobility of the HSE. All HSE were mobilized in the Syros mĂ©lange zone through fluid advection beyond the...Geologic Setting 2.1 Catalina Schist, Santa Catalina Island, CA, USA AC The Catalina Schist is a subduction-related | | | Journal (article/letter/editorial) | tourmaline in highpressure metasediments from Syros (Greece): intra-grain boron isotope patterns determined...zoned tourmaline in two metasediments from the island of Syros, determined by secondary-ion mass spectrometry...The d11B values of metamorphic tourmaline from Syros, formed in mixed terrigenousâmarine sediments, reflect...Simplified geological map of the northern part of Syros (after Keiter et al. 2004). SY314 was sampled from... The inset shows a map of Greece with the location of the island of Syros the B isotopic evolution of | | | Journal (article/letter/editorial) | compositions in eclogite-facies rocks from Syros and Tinos ĆŸCyclades, Greece/ : implications for UâPb zircon geochronology...Low-temperature eclogite-facies rocks from Syros and Tinos ĆœCyclades, Greece. include meta-ophiolitic blocks of...reserved. Keywords: Eclogites; Jadeitites; Syros; Tinos; Cyclades; Greece; Metasomatism; Trace-element enrichment;...High-pressure melange sequences on the islands ÂŽ of Syros and Tinos ĆœCycladic blueschist belt; Fig. 1. comprise...attributed high concentrations of Ti, P and Na in the Syros melange to compositional modifications ÂŽ caused | | | Journal (article/letter/editorial) | 1915â1942 2006 doi:10.1093/petrology/egl031 Syros Metasomatic Tourmaline: Evidence for Very High-d...to ultramafic matrix from a meÌlange on the island of Syros are rimmed by tourmaline-bearing reaction zones...the subducting slab. Blackwall tourmaline from Syros has a large grain size (several centimetres), high...reaction zones in HP metamorphic rocks from the island of Syros are presented in this paper. Implications for...for the extremely heavy B isotopic composition of Syros tourmaline, will be discussed. ANALYTICAL METHODS |
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Cape Marmari, Grammata Bay, Syros Island, Syros, South Aegean, Greece