 | | 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;...Jolivet & Goffe, 2000; Mehl et al., 2005). In the Aegean region, several models have been proposed to explain...followed by lawsonite blueschists from Syros Island (Cyclades, Greece), in order to monitor the deformation |  | 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...a better knowledge of the gemstone potential of Greece for its possible exploitation. Keywords: gemstones; |  | | 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 |  | | 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 |  | 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 |  | | 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...whole subduction package of schist, blueschist and marble was rich in H2O over most of its metamorphic history...stability of assemblages common in the schist and marble constrains the P and T maxima Amphibole (tremolite |  | | 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 |  | 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...heterogeneous Lower Schist Fm., juxtaposed against a Marble Fm. and an overlying Upper Schist Fm. The contact |  | Bulle, Florian, Bröcker, Michael, GĂ€rtner, Claudia, Keasling, Alan (2010) Geochemistry and geochronology of HP mĂ©langes 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 â, Michael Bröcker, Claudia GĂ€rtner...mĂ©langes exposed on the Cycladic islands of Tinos, Syros and Andros. Ion microprobe (SHRIMP) UâPb zircon...chloriteâtalc 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 |  | 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) | | metamorphism in the Asteroussia Unit, Anafi Island (Greece): Petrology and geochronology Yaron Beâeri-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) | | 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) | | dislocation motion and grain boundary sliding (Syros, Greece) A. Rogowitz1,2 , J. C. White3 , and B. Grasemann1...structure in almost pure calcite marbles from Syros, Greece. At the maximum displacement of 120 cm along...is an essentially pure calcite marble layer from Syros (Cyclades, Greece). Previous work (Rogowitz et al...al., 2014) has established that the marble deformed under lower greenschist facies conditions, resulting...flanking structure in an almost pure calcite marble situated on Syros (35:00 UTM, 414 840⊠N, 313 839⊠E), which |  | Spear, Frank S., Wark, David A., Cheney, John T., Schumacher, John C., Watson, E. Bruce (2006) Zr-in-rutile thermometry in blueschists from Sifnos, Greece. Contributions to Mineralogy and Petrology, 152 (3) 375-385 doi:10.1007/s00410-006-0113-4 | Journal (article/letter/editorial) | | Zr-in-rutile thermometry in blueschists from Sifnos, Greece Frank S. Spear Ă David A. Wark Ă John T. Cheney...thermometry on samples of blueschist from Sifnos, Greece, yields temperatures that reflect progressive crystallization...fluid flow upward to the main marble unit. They argue that this marble acted as an impermeable layer...underway on the complex meÌlanges of Syros Island also in the Aegean. Geologic setting Samples selected...rocks in the northern part of the island of Sifnos, Cyclades, Greece (Fig. 1). Sifnos is comprised of |  | | Journal (article/letter/editorial) | | Accepted Manuscript Cenozoic metallogeny of Greece and potential for precious, critical and rare metals... Melfos, P. Voudouris, Cenozoic metallogeny of Greece and potential for precious, critical and rare metals...the journal pertain. Cenozoic metallogeny of Greece and potential for precious, critical and rare metals...University of Thessaloniki, Thessaloniki 54124, Greece Panagiotis Voudouris Department of Mineralogy-Petrology...Kapodistrian University of Athens, Athens 15784, Greece corresponding authors: melfosv@geo.auth.gr, voudouris@geol |  | | 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) | | 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 PâT conditions in the South Evia Blueschist Belt reached approximately 10â12 |  | | 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...of the rocks. Tourmaline from a silicate-bearing marble contains small (B20 lm) detrital cores with highly...d11B values of detrital cores in the siliceous marble demonstrate that in situ B isotope analysis of...The d11B values of metamorphic tourmaline from Syros, formed in mixed terrigenousâmarine sediments, reflect |  | | 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; |  | Voudouris, P., Mavrogonatos, C., Spry, P.G., Baker, T., Melfos, V., Klemd, R., Haase, K., Repstock, A., Djiba, A., Bismayer, U., Tarantola, A., Scheffer, C., Moritz, R., Kouzmanov, K., Alfieris, D., Papavassiliou, K., Schaarschmidt, A., Galanopoulos, E., Galanos, E., KoĆodziejczyk, J., Stergiou, C., Melfou, M. (2019) Porphyry and epithermal deposits in Greece: An overview, new discoveries, and mineralogical constraints on their genesis. Ore Geology Reviews, 107. 654-691 doi:10.1016/j.oregeorev.2019.03.019 | Journal (article/letter/editorial) | | Manuscript Porphyry and epithermal deposits in Greece: an overview, new discoveries, and mineralogical...M. Melfou, Porphyry and epithermal deposits in Greece: an overview, new discoveries, and mineralogical...pertain. Porphyry and epithermal deposits in Greece: an overview, new discoveries, and mineralogical...National and Kapodistrian 1 University of Athens, Greece; voudouris@geol.uoa.gr; kmavrogon@geol.uoa.gr;...Geology, Aristotle University of 4 Thessaloniki, Greece; melfosv@geo.auth.gr; cstergio@windowslive.com; |  | | Journal (article/letter/editorial) | | 2634 UâPb dating of detrital zircons from Andros, Greece: constraints for the time of sediment accumulation...AtticâCycladic Crystalline Belt in the central Aegean region represents a major tectono-stratigraphic...siliciclastic metasedimentary rocks from Andros Island, northern Cyclades. The sampling strategy aimed...Cycladic blueschist unit; Greece 1. INTRODUCTION The islands of the central Aegean Sea (Fig. 1a, b) can be...the provenance and sedimentation history of the Aegean region and surrounding areas (Keay and Lister, |  | | 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) | | FROM THE CYCLADIC BLUESCHIST UNIT ON NAXOS ISLAND, GREECE: DEFORMATION-RELATED REEQUILIBRATION VS THERMAL...of the Cycladic Blueschist Unit on Naxos Island in the Aegean Sea region. Using the average pressure-temperature... We conclude that the high-pressure rocks from south Naxos were exhumed to upper mid-crustal levels in...greenschist-facies overprint of the blueschist-facies rocks from south Naxos resulted from rapid exhumation and associated...or Srisotopic signatures, and that the rocks of south Naxos underwent three metamorphic events, one more |  | | 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) | | greenschist-facies rocks on the island of Syros, Aegean Sea, Greece. The shear zone is steeply dipping...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...interpreted as the structurally uppermost unit on Syros (Maluski et al., 1987; Ring et al., 2003; Keiter |
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