 | | 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;...rollback; subduction. Abbreviations: ab, albite; chl, chlorite; di, diopsidic clinopyroxene; ep, epidote;...Jolivet & Goffe, 2000; Mehl et al., 2005). In the Aegean region, several models have been proposed to explain |  | | 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 |  | Laurent, Valentin, Lanari, Pierre, Naïr, Inès, 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 |  | Voudouris, Panagiotis, Mavrogonatos, Constantinos, Graham, Ian, Giuliani, Gaston, Tarantola, Alexandre, Melfos, Vasilios, Karampelas, Stefanos, Katerinopoulos, Athanasios, Magganas, Andreas (2019) Gemstones of Greece: Geology and Crystallizing Environments. Minerals, 9 (8) 461 doi:10.3390/min9080461 | Journal (article/letter/editorial) | | minerals Article Gemstones of Greece: Geology and Crystallizing Environments Panagiotis Voudouris 1...Kapodistrian University of Athens, GR-15784 Athens, Greece PANGEA Research Centre, School of Biological, Earth...University of Thessaloniki, 54124 Thessaloniki, Greece Bahrain Institute for Pearls & Gemstones (DANAT)...massifs, and the Phyllites-Quartzites unit of Crete Island. In crystalline rocks, gemstones are related to...alpine-type fissures, such as, for example, quartz, albite, adularia and titanite. The Tertiary (and Mesozoic) |  | | Journal (article/letter/editorial) | | 40Ar/39Ar and Rb–Sr 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...Rb–Sr 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; Rb–Sr; Sifnos; Syros. INTRODUCTION |  | | 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 |  | 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 • Christian Soder • Sandra...metamorphic rocks on the Palos peninsula of Syros (Greece). Near the summit of Mount Prı́onas, a meta-conglomerate...blue–purple manganian aegirine–jadeite, microcline, albite and quartz. In addition, it contains abundant brauniterich...pyroxenes occur in contact with either quartz or albite. Manganian phengite (3.41–3.49 Si per 11 oxygen...P–T conditions of high-pressure metamorphism on Syros (*1.4 GPa/ 470 °C), the mineral sub-assemblage braunite |  | 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 |  | | Journal (article/letter/editorial) | | unusual eclogite-facies rocks from Syros and Tinos (Cyclades, Greece) MICHAEL BRÖCKER* & MICHAEL ENDERS†...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) | | 1093/petrology/egn042 Glaucophane-bearing Marbles on Syros, Greece JOHN C. SCHUMACHER1*, JOHN B. BRADY2, JOHN T...The occurrence of glaucophane-bearing marbles on Syros is noteworthy because reports of marbles that contain...among descriptions of high-pressure marbles. On Syros, the marbles are composed primarily of calcite with...followed by the rocks crossed a reaction such as albite/Na-pyroxene þdolomite þ quartz ! glaucophane þ...medium pressure. In the metamorphic rocks of Syros, Greece (Fig. 1), amphibole is present in the marbles |  | Bulle, Florian, Bröcker, Michael, Gärtner, Claudia, Keasling, Alan (2010) Geochemistry and geochronology of HP mélanges from Tinos and Andros, cycladic blueschist belt, Greece. Lithos, 117 (1) 61-81 doi:10.1016/j.lithos.2010.02.004 | Journal (article/letter/editorial) | | from Tinos and Andros, cycladic blueschist belt, Greece Florian Bulle ⁎, Michael Bröcker, Claudia Gärtner...mélanges exposed on the Cycladic islands of Tinos, Syros and Andros. Ion microprobe (SHRIMP) U–Pb zircon...chlorite–talc schists from block-matrix contacts (Syros and Tinos) yielded Cretaceous ages of c. 80 Ma....that the block-matrix associations on Tinos and Syros can be grouped together. On a broader regional scale...for the Cretaceous meta-gabbros from Tinos and Syros, but cannot be documented with certainty. © 2010 |  | | 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 Rb–Sr 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, Rb–Sr ages, Syros INTRODUCTION Considerable progress has been made |  | | Journal (article/letter/editorial) | | 901–920 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...at the top, whereas they are overprinted in the albite-epidote blueschist facies below, and in greenschist...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 |  | Laskari, Sofia, Soukis, Konstantinos, Lozios, Stylianos, Stockli, Daniel F., Poulaki, Eirini M., Stouraiti, Christina (2022) Structural Study and Detrital Zircon Provenance Analysis of the Cycladic Blueschist Unit Rocks from Iraklia Island: From the Paleozoic Basement Unroofing to the Cenozoic Exhumation. Minerals, 12 (1) 83 doi:10.3390/min12010083 | Journal (article/letter/editorial) | | the Cycladic Blueschist Unit Rocks from Iraklia Island: From the Paleozoic Basement Unroofing to the Cenozoic...the Cycladic Blueschist Unit Rocks from Iraklia Island: From the Paleozoic Basement Unroofing to the Cenozoic...Kapodistrian University of Athens, 15784 Athens, Greece; soukis@geol.uoa.gr (K.S.); slozios@geol.uoa.gr...on the Cycladic Blueschist Unit (CBU) on Iraklia Island integrated with detrital zircon (DZ) U-Pb ages...Cycladic Basement, equivalent to schists of the Ios Island core. The Upper Schist represents a distinctly |  | | Journal (article/letter/editorial) | | high-pressure/ low-temperature mélange 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 block–matrix 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) | | petrology of blueschist-facies hybrid rocks from Syros (Greece): Implications for reactions at the slab–mantle...Available online 8 August 2008 Keywords: Cyclades Aegean Metasomatism Blackwall Subduction zone High-pressure...mélange zone of that type is found in northern Syros, where metasomatic reaction zones (“blackwalls”)...chlorite, (III) chlorite + epidote + omphacite ± albite (IV) chlorite ± titanite ± rutile ± apatite and...largely ignored in traditional models of mantle and island-arc geochemistry. However, metasomatic rocks associated |  | | Journal (article/letter/editorial) | | retrogression in blueschist metapelites of Tinos Island (Greece) evidenced by chlorite–mica local equilibria...deformation of the Cycladic Blueschists unit on Tinos Island evolves along a NE – SW gradient of noncoaxial...from the upper ophiolitic unit in the NE of the island. The compositional variability of chlorite and...a warmer P – 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 – T path; Chlorites; Phengites; |  | 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) | | isotope studies of metagabbros on the island of Tinos (Cyclades, Greece). Sequentially formed mineral generations...sub-seafloor hydrothermal origin, and actinolite and albite formed by regional greenschist-facies metamorphism...significantly higher values (8.4^10.2x). Likewise, albite in the gabbroic blocks has high N18 O values of...hydrogen isotope studies of the metagabbros of the island of Tinos (Fig. 1). Previous studies of the ¢eld...metamorphic gabbros and basalts of the islands of Syros, Sifnos and Tinos [11], which showed that the high-pressure |  | | Journal (article/letter/editorial) | | compositions in eclogite-facies rocks from Syros and Tinos žCyclades, Greece/ : implications for U–Pb zircon geochronology...Low-temperature eclogite-facies rocks from Syros and Tinos ŽCyclades, 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 ´ of Syros and Tinos ŽCycladic blueschist belt; Fig. 1. comprise...attributed high concentrations of Ti, P and Na in the Syros melange to compositional modifications ´ caused |  | | Journal (article/letter/editorial) | | greenschist-facies rocks on the island of Syros, Aegean Sea, Greece. The shear zone is steeply dipping...near-horizontal layer of greenschist-facies rocks (albite þ epidote þ actinolite þ chlorite þ quartz).Type...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...Bro«cker & Enders, 2001). In the southeastern part of Syros a third unit, the Vari gneiss, has been recognized |  | | 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...mol. %) suggest that peak P–T conditions in the South Evia Blueschist Belt reached approximately 10–12 |  | | Journal (article/letter/editorial) | | metamorphism in the Asteroussia Unit, Anafi Island (Greece): Petrology and geochronology Yaron Be’eri-Shlevin...metamorphism in the Asteroussia Unit, Anafi Island (Greece): Petrology and geochronology. Isr. J. Earth...granitoid intrusions is exposed on Anafi Island, Cyclades (Aegean Sea). The rock association represents...other occurrences of Late Cretaceous UU on Tinos, Syros, and Andros shows that the latter followed a slightly...on mainland Greece, the Cyclades, Crete, and the Dodecanese (Fig. 1). In the central Aegean region, where |  | | 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 mélange 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 |  | | Journal (article/letter/editorial) | | 1915–1942 2006 doi:10.1093/petrology/egl031 Syros Metasomatic Tourmaline: Evidence for Very High-d...to ultramafic matrix from a mélange 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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