 | | Journal (article/letter/editorial) | | Pliocene–Pleistocene succession of Kos, South Aegean arc (Greece) Georgia Pe-Piper ⁎, Ben Moulton Department...island of Kos. These volcanic rocks differ from other volcanic centres in the South Aegean arc in the...succeeded by younger tuffs, notably the 0.16 Ma Kos Plateau Tuff derived from a supereruption of an andesite...andesite stratocone now subsided beneath the sea south of Kos. Volcanic products in tuffs have been sampled...mid-crustal magma chamber that led to the explosive Kos Plateau Tuff super-eruption. © 2008 Elsevier B.V |  | | Journal (article/letter/editorial) | | Consanguineous geochemistry of the Kos Plateau 231 N. Jb. Miner. Abh. 2008, Vol. 184/3, p. 231–241...Consanguineous geochemistry of the Kos Plateau and Tilos D and E Pumices, Aegean Volcanic Arc, Hellas Dimitris...pumice samples from the D and E ignimbrite units of Kos Plateau and Tilos Tuffs have been analyzed for major...geochemical insignia. Tilos island lies roughly 50 km from Kos and the identity of these two tuffs has been previously...on physical volcanology arguments (Allen 2001). Kos and Tilos tuff samples form a cluster of calcalkaline |  | | Report (chapter) | | of tectonism in petrogenesis in the southeastern Aegean G. PE-PIPER1 & D. J. W. PIPER2 1 Department of...Miocene igneous rocks of Samos, in the southeastern Aegean Sea, comprise monzodiorite and minor granite of...bimodal basalt–rhyolite at basin margins. Six new K–Ar ages, together with existing geochronology and...extrusion was synchronous with the onset of north–south strike-slip faulting, which permitted more rapid...propagated from north to south in western Anatolia and the southeastern Aegean Sea, providing pathways |  | | Report (chapter) | | 2015 Neogene brittle detachment faulting on Kos (E Greece): implications for a southern break-away fault...between hanging wall and footwall. The island of Kos lies close to the inferred southern breakaway fault...significant exhumation of the Permo-Carboniferous rocks. Kos should thus be placed within the Cyclades– Menderes...corroborate. We conclude that the brittle detachment of Kos cannot be straightforwardly correlated to any ductile-to-brittle...and formed as a result of c. north–south extension in the Aegean backarc since the late Oligocene (Bozkurt |  | | Journal (article/letter/editorial) | | and 4~ dating of a granite in Thera (Santorini, Greece) By NIKOS SKARPELIS, KONSTANTINOS KYRIAKOPOULOS...metamorphen Gesteinen von BlauschieferFacies intrudiert. K-Ar-Biotit- und Ar-Ar-FeldspatAltersbestimmungen streuen...It intraded the blueschist facies country rocks. K-Ar biotite ages and Ar-Ar plateau ages on two feldspars...Cyclades (Fig. 1). *) Authors' addresses: N. SKARPELIS,K. KYRIAKOPOULOS,Department of Geology, University of...received: 6.5. 1991; accepted: 13.7. 1992 N. SKARPELIS,K. KYRIAKOPOULOS,I. VILLA 730 The islands of Santorini |  | | Journal (article/letter/editorial) | | V., Amsterdam 241 The Dodecanese Province, SE Aegean: A model for tectonic control on potassic magmafism...and Varne, R., 1992. The Dodecanese Province, SE Aegean: A model for tectonic control on potassic magmatism...their Origin. Lithos, 28: 241-260. In the south-eastern Aegean several composite Upper Miocene volcanoes...from two of its centers (Bodrum, Turkey and Samos, Greece). The marie.s fall in two groups: uitrapotassics...location of the DP in the t:ansitional margin of the Aegean zone of extension may partly explain the survival |  | | Journal (article/letter/editorial) | | volcanism in the central part of the South Aegean volcanic chain (Greece) Jaromir Leichmann and Ewald Hejl...Anafi in the southern Aegean sea, and complete the knowledge of the South Aegean volcanic chain. They...classified as Neogene or Plio-Pleistocene. Key words: Aegean, volcanism, alteration, stable isotopes, strontium...position suggests that it could belong to the South Aegean volcanic arc. However, no volcanic activity...The South Aegean volcanic arc is related to the subduction of the African plate under the Aegean-Anatolian |  | | Journal (article/letter/editorial) | | Suitability of Greek perlite for industrial applications N. K. Koukouzas, A. C. Dunham and P. W. Scott Synopsis...Perlite from the Greek islands of Milos, Kimolos and Kos is compositionally a calc-alkaline rhyolite that...thermal insulating properties and a very low density. Greece is the largest European producer and exporter of...perlites from the Greek islands of Milos, Kimolos and Kos (Fig. 1), to determine their expansion characteristics...deposits The most important perlite deposits in Greece occur in two areas on the island of Milos (Provatas |  | | Journal (article/letter/editorial) | | Metamorphism in Pelitic Rocks on the Island of Kos (Greece, Eastern Aegean Sea): a Test for the Na-in-Cordierite...cordierite-bearing metapelites from the island of Kos, contact metamorphosed by a quartz monzonite intrusion...University Press 1998 KEY WORDS: Contact metamorphism; Kos; metapelites; Na-in-cordierite thermometer INTRODUCTION...1966; Goldman et al., 1977). Measurable amounts of K have also been found (Schreyer et al., 1990). Li has...metamorphism in pelitic rocks on the island of Kos (Greece, Eastern Aegean Sea), caused by the intrusion of a quartz |  | | Journal (article/letter/editorial) | | Crommyonia, western Greece and their implications for the early evolution of the South Aegean arc GEORGIA PE-PIPER*...PE-PIPER* & K. HATZIPANAGIOTOU† * Department of Geology, Saint Mary’s University, Halifax, N.S., B3H 3C3...Department of Geology, University of Patras, Patras, Greece (Received 26 March 1996; accepted 20 June 1996)...from Crommyonia mark the western end of the South Aegean volcanic arc. They form small lava domes and... Poros and Milos in the western part of the South Aegean arc, whereas volcanism in the eastern part of |  | | Journal (article/letter/editorial) | | Miocene I-type diorite and granite, Delos, Cyclades, Greece Georgia Pe-Piper a,*, David J.W. Piper b, Dionysis... B2Y 4A2 c IGME, 70 Mesogion St, Athens 11527, Greece Received 24 November 2000; accepted 4 October...the Aegean area showing the regional setting of the Cyclades plutons. West Aegean and East Aegean – Anatolian...The Cyclades metamorphic complex of the southern Aegean lies inboard from the present Hellenic subduction...(Figs. 1, 2) marks the boundary between the West Aegean crustal blocks, which rotated 30° Fig. 2. Map |  | | Journal (article/letter/editorial) | | assimilation during magma evolution at Nisyros (Greece), South Aegean Arc: Evidence from clinopyroxenite xenoliths...of Nisyros volcano, located in the eastern Aegean Sea (Greece). The unit consists of porphyritic pillow...exposed on the active volcano of Nisyros of the South Aegean Arc. In particular, we focus on unusual ultramafic...Geological setting The South Aegean Arc extends over 500 km through the Aegean Sea and includes active...seafloor beneath the South Aegean microplate (Mitropoulos et al., Turkey Aegean Sea (c) 1987). Extensional |  | 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)...a better knowledge of the gemstone potential of Greece for its possible exploitation. Keywords: gemstones;...corundum; beryl; jadeitite; garnet; quartz varieties; Greece 1. Introduction By definition, gems are materials |  | Andriessen, P. A. M., Boelrijk, N. A. I. M., Hebeda, E. H., Priem, H. N. A., Verdurnen, E. A. Th., Verschure, R. H. (1979) Dating the events of metamorphism and granitic magmatism in the Alpine orogen of Naxos (Cyclades, Greece) Contributions to Mineralogy and Petrology, 69 (3) 215-225 doi:10.1007/bf00372323 | Journal (article/letter/editorial) | | Magmatism in the Alpine Orogen of Naxos (Cyclades, Greece) P.A.M. Andriessen, N.A.I.M: Boelrijk, E.H. Hebeda...Netherlands Abstract. An isotopic dating investigation (66 K - Ar and 34 R b - S r analyses) provided the geochronological...ure metamorphism, M1, was dated by R b - S r and K - A r analyses of paragonites, phengitic muscovites...the highest-grade part, the migmatite dome. Most K - A r dates of M2 hornblendes, muscovites, biotites...11 Ma in the migmatite dome. From the pattern of K - A r mineral dates it is concluded that the M2 phase |  | | Journal (article/letter/editorial) | | -oxybarometry, zircon saturation thermometry, and two-feldspar thermometry, with all analyses conducted by laser-ablation...limits of uncertainty with those obtained via two-feldspar thermometry in most cases, whereas temperatures... 1993; Xirouchakis et al. 2001), or biotite, K-feldspar and magnetite (Wones and Eugster 1965; Wones...10, 000 T (1) in which temperature is given in K, ASI refers to molar Al2O3/(CaO+Na2O+K2O), and ∆FMQ...separate) inclusions of Fe–Ti oxides within quartz and feldspar phenocrysts. Results of both types of samples |  | 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., Kołodziejczyk, 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...Klemd, K. Haase, A. Repstock, A. Djiba, U. Bismayer, A. Tarantola, C. Scheffer, R. Moritz, K. Kouzmanov...Kouzmanov, D. Alfieris, K. Papavassiliou, A. Schaarschmidt, E. Galanopoulos, E. Galanos, J. Kołodziejczyk,...Klemd, K. Haase, A. Repstock, A. Djiba, U. Bismayer, A. Tarantola, C. Scheffer, R. Moritz, K. Kouzmanov...Kouzmanov, D. Alfieris, K. Papavassiliou, A. Schaarschmidt, E. Galanopoulos, E. Galanos, J. Kołodziejczyk, |  | | Journal (article/letter/editorial) | | rocks in the Basal Unit of Lavrion (SE Attica, Greece): petrology and geodynamic implications NIKOS SKARPELIS...Athens, Panepistimiopoli, 157 84 Zografou, Athens, Greece †Department of Geology, Section of Earth Materials...Materials, University of Patras, 265 00 Patras, Greece ‡Department of Geology, Saint Mary’s University, Halifax...form part of the granitoid province of the central Aegean. Undeformed, subvertical dykes of quartz-syenite...rocks of the Basal Unit. A 9.4 ± 0.3 Ma K–Ar age on feldspar for a dyke rock provides a minimum age for |  | | Journal (article/letter/editorial) | | Northern Africa, Northern Italy and Greece. Lead isotope compositions of K-feldspars are rather homogeneous...contrast, the lead isotopic composition of granitic K-feldspars requires the presence of an old lead component...around the Mediterranean (Italy, North Africa, Greece) the work of Michard-Vitrac et al. (1981) on the...Europe. In this latter work, Pb isotopic ratios in K-feldspars have been shown to define a fairly regular...geodynamic reconstructions. The present work deals with K-feldspars from rocks younger than about 50 Ma and |  | | Journal (article/letter/editorial) | | HYDROTHERMAL ALTERATION OF PYROCLASTICS ON POLYEGOSISLAND,GREECE KONSTANTINOS P. KITSOPOULOSt Geology Department...formation of Polyegos Island, South Aegean Sea Volcanic Arc in Greece, is replaced by authigenic zeolite...illite-smectite (I-S) are subordinate. Opal-CT, quartz, feldspar, biotite and halite complete the mineralogical...high Na+ concentration. Key Words-Clinoptilolite, Greece, Heulandite, Hydrothermal Alteration, Mordenite...address: 16 Aiolou Str., Paleo Faliro, 175 61, Athens, Greece. Copyright © 1997, The Clay Minerals Society Muffler |  | Erkül, Fuat, Erkül, Sibel Tatar, Ersoy, Yalçın, Uysal, İbrahim, Klötzli, Urs (2013) Petrology, mineral chemistry and Sr–Nd–Pb isotopic compositions of granitoids in the central Menderes metamorphic core complex: Constraints on the evolution of Aegean lithosphere slab. Lithos, 180. 74-91 doi:10.1016/j.lithos.2013.07.022 | Journal (article/letter/editorial) | | metamorphic core complex: Constraints on the evolution of Aegean lithosphere slab Fuat Erkül a,⁎, Sibel Tatar Erkül...chemistry Crust/mantle interaction slab roll-back Aegean subduction zone a b s t r a c t Plutonic associations...are transitional metaluminous/peraluminous and high-K calc-alkaline in character and are located on I- and...granitoids across the Aegean region form a magmatic belt associated with roll-back of the Aegean lithosphere slab...followed by an active arc volcanism in the southern Aegean. Such abrupt change from ductile to brittle mode |  | | Journal (article/letter/editorial) | | and melt structure modifiers (fluxing elements; Na, K, B, P, F, etc.), which can lead Jo ur Wilkinson...Nazca plate subducting beneath the continental South American plate and involves no continental collision...than the Southern Central Volcanic Zone in the south (e.g. Schnurr et al., 2007). The Escorial ignimbrite...concentrations are comparatively low. Concentrations of Na, K, Fe, and Ga are below the detection limit (ca. 3.5...ppm), and Ge (Figure 5c; 0.4-3.4 ppm). The elements K (Figure 5d; up to 428 ppm) and Na (up to 156 ppm) |  | Asan, Kürşad, Kurt, Hüseyin, Gündüz, Mesut, Gençoğlu Korkmaz, Gülin, Morgan, Ganerød (2021) Geology, geochronology and geochemistry of the Miocene Sulutas volcanic complex, Konya-Central Anatolia: genesis of orogenic and anorogenic rock associations in an extensional geodynamic setting. International Geology Review, 63 (2). 161-192 doi:10.1080/00206814.2019.1706651 | Journal (article/letter/editorial) | | their source. The youngest group (~13 to 11 Ma), high-K calc-alkaline rocks (HKCA) is composed of basalt,...Rhodope, and the Aegean sea-Anatolia (Harangi et al. 2006). Both orogenic (e.g. low-K tholeiitic, calc-alkaline...UK Limited, trading as Taylor & Francis Group 2 K. ASAN ET AL. potassic rocks) and anorogenic (e.g...region (Wilson and Bianchini 1999). Although the low-K tholeiitic to shoshonitic magmas are considered to...compositional diversity, where both orogenic (e.g. high-K calcalkaline volcanites to potassic lamprophyres) |  | Mollo, Silvio, Masotta, Matteo, Forni, Francesca, Bachmann, Olivier, De Astis, Gianfilippo, Moore, Gordon, Scarlato, Piergiorgio (2015) A K-feldspar–liquid hygrometer specific to alkaline differentiated magmas. Chemical Geology, 392. 1-8 doi:10.1016/j.chemgeo.2014.11.010 | Journal (article/letter/editorial) | | homepage: www.elsevier.com/locate/chemgeo A K-feldspar–liquid hygrometer specific to alkaline differentiated...Hygrometer K-feldspar Phonolite Trachyte Phlegrean Fields a b s t r a c t We present a K-feldspar–liquid...the dataset. The derived model was tested using K-feldspar–liquid pairs not included into the calibration...to address issues of systematic errors. When K-feldspar and plagioclase crystals coprecipitate from the...for equilibrium based on Or–Ab exchange between K-feldspar and coexisting melt. As an immediate application |  | | Journal (article/letter/editorial) | | high-temperature low-pressure shear zone of the south-western Bohemian Massif (Moldanubian terrain, Austria)...medium-scale shear zone exposed in the gneiss rocks of the South-western Bohemian Massif (Moldanubian Zone) contains...high-temperature low-pressure shear zone of the south-western Bohemian Massif (Moldanubian terrain, Austria)...their surrounding lithology can be assigned to the south-western margin of the Bohemian Massif. This Variscan...grey-coloured ultramylonite with only few clasts of K-feldspar relics (Fig. 3a, b). When approaching the shear |  | | Journal (article/letter/editorial) | | BENTONITES IN THE GEOTHERMAL FIELD OF MILOS ISLAND GREECE: EVIDENCE BASED ON MINERALOGY, CHEMISTRY, PARTICLE...Mineral Resources Engineering, 73133 Chania, Crete, Greece Abstract-Hydrothermal alteration has caused illitization...Milos, Greece which consists principally ofa Wyoming-type montmorillonite and authigenic K-feldspar, The...The product K-bentonite which contains illite/smectite, kaolinite, K-feldspar, quartz, sulphates and sulphides...Na, and Ca from the parent rock, indicating a K-influx (K-metasomatism) in the system. The IIS particle |
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