 | | Journal (article/letter/editorial) | | Insights from Fe-Mn Mineralization in the Aegean Sea (Greece) Charalampos Vasilatos * , Evdokia E. Kampouroglou...Kapodistrian University of Athens, 15 784 Athens, Greece * Correspondence: vasilatos@geol.uoa.gr Citation:...mineralization from the Aegean region [Attica (Grammatiko, Legrena, and Varnavas), Evia and Milos islands], aiming...for their deposition. A salient feature of the Varnavas and Milos Mn-Fe ores is the presence of sodium...100) recorded in the Neogene sedimentary basins of Attica, related to the Grammatiko Fe-Mn mineralization |  | | Journal (article/letter/editorial) | | University of Crete, GR-70013 Heraklion, Crete, Greece; chem1723@edu.chemistry.uoc.gr (G.D.E.); chem1722@edu...University of Athens, Iera Odos 75, 11855 Athens, Greece; myrtotsioubri@aua.gr Department of Geology and...Geoenvironment, University of Athens, 15784 Athens, Greece Correspondence: econom@geol.uoa.gr Received: 29...deficiency can cause various health risks. Since Greece is among the European countries where people have...coming from the Neogene basins of Greece (Assopos-Thiva and Attica), aiming to define potential Se-source/es |  | Tremba, E.L., Faure, G., Katsikatsos, G.C., Summerson, C.H. (1975) Strontium-isotope composition in the Tethys Sea, Euboea, Greece. Chemical Geology, 16 (2) 109-120 doi:10.1016/0009-2541(75)90003-0 | Journal (article/letter/editorial) | | STRONTIUM-ISOTOPE COMPOSITION IN THE TETHYS SEA, EUBOEA, GREECE* E.L. T R E M B A ' , G. F A U R E ' , G.C. KATSIKATSOS2...Geological and Mining Research (NIGMR), Athens (Greece) (Received January 14, 1975; revised and accepted...Strontium-isotope composition in the Tethys Sea, Euboea, Greece. Chem. Geol., 16: 109--120. We have determined...Research (NIGMR), 34, Veranzerou Str., Athens 102, Greece. 110 in response to changes in the kinds of...limestones and marbles from the island of Euboea, Greece (Fig.l). The objective of this study is to determine |  | Economou-Eliopoulos, Maria, Megremi, Ifigeneia, Atsarou, Cathy, Theodoratou, Christina, Vasilatos, Charalambos (2013) Spatial Evolution of the Chromium Contamination in Soils from the Assopos to Thiva Basin and C. Evia (Greece) and Potential Source(s): Anthropogenic versus Natural Processes. Geosciences, 3 (2) 140-158 doi:10.3390/geosciences3020140 | Journal (article/letter/editorial) | | Soils from the Assopos to Thiva Basin and C. Evia (Greece) and Potential Source(s): Anthropogenic versus...University of Athens, Panepistimiopolis, Athens 15784, Greece; E-Mails: megremi@geol.uoa.gr (I.M.); cathyatsarou@gmail...Keywords: contamination; Cr(VI); soil; water; plant; Greece Geosciences 2013, 3 141 1. Introduction Chromium...Department of Geology and Geoenvironmemt, (NKUA), Greece, Cu Ka radiation at 40 kV, 40 nA, 0.020° step size...Energy Dispersive Spectroscopy (EDS) analysis, NKUA, Greece. Microprobe analyses and SEM images using a JEOL |  | | Journal (article/letter/editorial) | | mineralization on western Milos Island, Aegean Volcanic Arc, Greece: Mineralogical, geological and geochemical constraints...14564, Greece Department of Mineralogy-Petrology, University of Athens, Athens, 15784, Greece Department...intrusionrelated, and epithermal mineralization in Lavrion (Attica), and Evia, Sifnos, Mykonos, Tinos, and Kythnos...intense active geothermal activity (Cronan and Varnavas, 1999; Dando et al., 1995; Fytikas, 1989; Fytikas...sulfur, barite, gypsum and calcite (Cronan and Varnavas, 1999; Kati et al., 2003; Price et al., 2012; |  | | Journal (article/letter/editorial) | | Mesozpic Othris and Pindos ophiolites, mainlaritt Greece A . t t . F . R o b c r t s o n " a n d S.P. Varnaw...D~Tarl#nent Of (;eology, University Of Patra.s, Patras, Greece ( Received Novemhcr 18. 191,q: revised version...l S T I , ' . A ( ' I' Robertson, A.II.F. and Varnavas, S.P., 19ql3. The origin of hydrolhcinlal nlclall;fcrl...Olhris and Pind~)s ophi(Hiles, eenlral amd northern Greece. These ophiolites formed at an Early Mesozoic spreading...margins, mainly the Pelagonian microcontinent to the east. In the Oihris area, disseminated, massive and vein |  | | Journal (article/letter/editorial) | | METALLIFEROUS SEDIMENTS FROM THE OPHIOLITES OF ERMIONI, GREECE; A N A L O G U E TO RECENT MID-OCEAN RIDGE F E...DEPOSITS S.P. VARNAVAS and A.G. PANAGOS Department of Geology, University of Patras, Patras (Greece) National...Athens (Greece) (Received August 5, 1982; revised and accepted February 28, 1983) ABSTRACT Varnavas, S.P...metalliferous sediments from the ophiolites o f Ermioni, Greece; analogue to Recent mid-ocean ridge ferromanganese...Mineralogically the Fe--Mn sediments contain abundant quartz and hematite and minor amounts of illite, smectites |  | | Journal (article/letter/editorial) | | Jurassic-Cretaceous rocks of the Pindos Basin, Peloponnese, Greece GEORGIA PE-PIPER 1 and DAVID J.W. PIPER 2 ...Jurassic-Cretaceous rocks of the Pindos Basin, Peioponnese, Greece. Sediment. Geol., 65: 127-137. The Jurassic-mid-Cretaceous...to the east of the Pindos zone, Varnavas and Panagos and their coworkers (Panagos and Varnavas, 1980;...1980; Varnavas and Panagos, 1984; Robertson et al., 1987) have studied cherts and manganese ores 129 overlying...Ca% against calcite), but in ten cherty samples quartz appears to have been substantially overestimated |  | | Report (chapter) | | exemplified by Jurassic Mn-cherts from Southern Greece A. R O B E R T S O N 1 & P. D E G N A N 2 aDepartment...Jurassic Mn-cherts from a Tethyan area in Southern Greece. Manganese-oxide hydrothermal sediments are known...within sutured oceanic units in the Peloponnese, S Greece. The Mn enrichment there is interpreted as related...elsewhere in the Mesozoic Tethyan area , including N Greece, SW Turkey, Cyprus and Oman, and in other orogenic...metalliferous pelites and cherts; e.g. Cyclades, S Greece and Franciscan Complex, California. The record |  | HĂŒbner, Andreas, Rahders, Erio, Rahner, Susanne, Halbach, Peter, Varnavas, Soteris P. (2004) Geochemistry of hydrothermally influenced sediments off Methana (western Hellenic volcanic arc) Geochemistry, 64 (1) 75-94 doi:10.1016/j.chemer.2003.10.001 | Journal (article/letter/editorial) | | of Geology, University of Patras, 26100 Patras, Greece Received 24 November 2002; accepted 24 October...1995; Smith and Cronan, 1983; Varnavas and Cronan, 1988), Yali and Kos (Varnavas and Cronan, 1991) and Milos...Milos islands (Cronan and Varnavas, 1993; Dando et al., 1995a, b). At Santorini, Smith and Cronan (1983)...shallow water locations) were investigated by Varnavas (1989), who presented evidence of hydrothermal...areas where leaching of oceanic crust occurs (Varnavas, 1989). The hydrothermal inïŹuence on the sediments |  | | Journal (article/letter/editorial) | | Panepistimiopolis, Ano Ilissia, Athens, 157 84, Greece E. H. Bailey Department of Physiology and Environmental...reported from Nisiros, Yali (Varnavas and Cronan, 1991), Santorini (Varnavas and Cronan, 1988) and Milos...bubbles. In the most hydrothermally active south-east part of the island (Palaeohori bay), extensive areas...the winter as a result of rough weather. Sulphide/quartz mounds often not directly associated with venting...Cronan, D.S. (1988) Chem. Geol., 67, 295-305. Varnavas, S.P. and Cronan, D.S. (1991) Mar. Geol., 99, |  | | Journal (article/letter/editorial) | | Geochemistry of Submarine Vents in Kos Island, Aegean Sea East Mediterranean Pavlos Megalovasilis* University of...Oceanography, University Campus, 26504 Rio Achaia, Greece *e-mail: pmegal@upatras.gr Received November 9...venting areas on Kos Island in the Aegean Sea in East Mediterranean. Analysis was carried out in suspended... Kos Island, Hellenic Volcanic Arc, Aegean Sea, East Mediterranean DOI: 10.1134/S0016702920050067 INTRODUCTION...hydrothermal areas (Megalovasilis, 2007; Varnavas et al., 1998; Varnavas et al., 2000). In this work, unpublished |  | | Journal (article/letter/editorial) | | of Ermioni, Argolis Peninsula, Ne Peloponnese, Greece Stavros Savvas Triantafyllidis 1, * 1 2 * Citation:...Athens, Greece Department of Materials Science, University of Patras, 26504 Rio Patras, Greece Correspondence:...two systems, the hydrothermal system migrated from east to west, and at the same time evolved from free...of Ermioni, Argolis Peninsula, Ne Peloponnese, Greece. Minerals 2023, 13, 474. https:// doi.org/10.3390/min13040474...Historical Background Despite the diverse metallogeny of Greece, only a very small number of VMS mineralizations |  | | Journal (article/letter/editorial) | | Athens-Sounio Avenue, Mavro Lithari, 19013 Anavyssos, Greece Received 21 May 2003; accepted 23 July 2004 Editorial...second most important socio-economic region of Greece and lies between the most important areas of the...and Satsmadjis (1983), Voutsinou-Taliadouri and Varnavas (1995), Anagnostou et al. (1997), and Zeri et...reported for this area by Voutsinou-Taliadouri and Varnavas (1995). Untreated domestic and industrial eïŹuents...for grain-size and dilution (e.g. by carbonate or quartz) effects, whereas variations in such ratios can |  | | Journal (article/letter/editorial) | | University of Athens, Panepistimiopolis, 15784 Athens, Greece Institute of Geology and Mineral Exploration, 70...70 Messoghion Street, GR-11527 Athens, Greece c AMTEL, 100 Collip Circle, UWO Research Park, London,...(Albania) to the Pindos and Othrys complexes southern (Greece), and host massive sulfide deposits of CuâZnâ(Pb)...Submicroscopic gold; Pindos; Mirdita; Balkan Peninsula; Greece; Albania â Corresponding author. Tel.: +30 210...the Pindos ophiolite complex (KondroâPerivoli), Greece, by Economou-Eliopoulos and Eliopoulos (1998) indicated |  | | Journal (article/letter/editorial) | | Sea region S. P. VARNAVAS Department of Geology, University of Patras, Patras, Greece (Received April...island arcs (NICHOLLS,1971; JONGSMA, 1974) led VARNAVAS(198 1) to suggest that metalliferous deposits...hydrothermal marine metalliferous sediments of Santorini, Greece, a volcanic center in the Aegean volcanic arc,...faults occur. These tectonic processes led to the east-west expansion of the Sea of Crete and are responsible...flank steep steep flank flank in S. 46 P. Varnavas brown to olive gray (Table 2). Near-shore sediments |  | Liakopoulos, A, Glasby, G.P, Papavassiliou, C.T, Boulegue, J (2001) Nature and origin of the Vani manganese deposit, Milos, Greece: an overview. Ore Geology Reviews, 18 (3) 181-209 doi:10.1016/s0169-1368(01)00029-4 | Journal (article/letter/editorial) | | and origin of the Vani manganese deposit, Milos, Greece: an overview A. Liakopoulos a , G.P. Glasby b,)...Exploration (I.G.M.E.), 70 Messoghion St., 115 27 Athens, Greece Department of Economic Geology and Geochemistry...Athens, Panepistimioupoli, Zografou, Athens 157 84, Greece c Science de la Terre et EĂolution des Milieux...Ore Geology ReĂiews 18 (2001) 181â209 tant in Greece ĆœFytikas and Marinelli, 1976.. The strong tensional...matrix. The silica is present as amorphous silica, quartz or cristobalite. Arseniosiderite occurs in the |  | | Journal (article/letter/editorial) | | Entrance, Olympic Village, GR-13677, Acharnai, Greece Section of Economic Geology and Geochemistry, Department...GR-15784 Athens, Greece GMMSA LARCO, 81â83 KiïŹsias Ave. Maroussi GR 15124, Athens, Greece d Golightly Geoscience...Peninsula Gordes Arsenic Ni-laterites Goethite Greece Turkey a b s t r a c t Ironânickel-laterite deposits...in the Aghios Ioannis deposit, Lokris, Central Greece As varies significantly and attains values up to...TiO2 and âREE contents in the laterite deposits of Greece, coupled with the As-enrichment only in certain |  | | Journal (article/letter/editorial) | | also known and are linked with fault zones (e.g., Varnavas et al., 1988; Usui et al., 1997; Hein et al.,...of jasperite bed, fibrous chalcedony and blocky quartz; (F) clay minerals from the lower shale, SEM image...spherulitic aggregates (Fig. 3E, Table 2), blocky quartz, and a considerable amount of hematite. Organic...several generations of veins, which are filled with quartz, chalcedony, calcite, and in places barite (Fig...assemblage consists of abundant clay minerals, some quartz, feldspars, manganese minerals (todorokite, rancieite) |  | | Journal (article/letter/editorial) | | sediments (44989127 ppm, carbonate free), along the east-west-trending Marmara Trough but low in sediments...is associated with major tectonic features. The east-westtrending Marmara Trough (Fig. 1 ) which separates...pull-apart basins") that have maximum depths from west to east of 1152 m (Tekirda~ Basin), 1265 m (Central Marmara...predominance of terrigenous materials (chiefly quartz, feldspars and mica mineral grains, as well as...1993) showed plagioclase (7-58%), calcite (5-37%), quartz (19-30%), illite (10-23%), potassium feldspars |  | | Journal (article/letter/editorial) | | overlying metavolcanics. Braunite and cryptocrystalline quartz are the main constituents of the manganese ores...microcrystalline aggregates of microcrystalline quartz, chalcedony, and lesser hematite. Chemically, the...silica, consisting mainly of Âźne cryptocrystalline quartz and minor amounts of clay minerals. At places,...radiolarian tests, which are now Âźlled by detrital quartz and clay minerals. The metacherts and associated...mixtures of quartz and braunite. Pseudomorphs of radiolarian tests are visible within the matrix. Quartz occurs |  | | Journal (article/letter/editorial) | | Department of Geology, University of South Florida, 4202 East Fowler Ave, Tampa, Florida, USA Received 12 November...nutrients such as Si and Fe (Dando et al., 1999; Varnavas and Cronan, 1988; Vidal et al., 1978). These systems...away from focused venting (Tarasov et al., 1999; Varnavas and Cronan, 1988). Also, considering their abundance...element may be part of a very stable mineral, such as quartz, and thus is not available for biological processes...927 ppm and a mean of ~460 ppm (Varnavas and Cronan, 1988). Varnavas and Cronan (1988) also suggest that |  | | Journal (article/letter/editorial) | | hydrothermal alteration pipe in the Othris ophiolite, Greece E. Valsamia'% J.R. Cann b, A. Rassios c aDepartment...and Mining Exploration (IGME) of Greece, Kozani branch, Kozani. Greece (Received October 1, 1992; revision...basaltic rocks from the Othris ophiolite, central Greece. The Othris ophiolite was formed during the Early...Previous work The Othris mountains of eastern central Greece have been mapped on a scale of 1:50,000 by IGME...(Institute of Geological and Mining Exploration of Greece) under the direction of G. Marinos. Previous studies |  | Voudouris, Panagiotis, Kati, Marianna, Magganas, Andreas, Keith, Manuel, Valsami-Jones, Eugenia, Haase, Karsten, Klemd, Reiner, Nestmeyer, Mark (2020) Arsenian Pyrite and Cinnabar from Active Submarine Nearshore Vents, Paleochori Bay, Milos Island, Greece. Minerals, 11 (1) 14 doi:10.3390/min11010014 | Journal (article/letter/editorial) | | Nearshore Vents, Paleochori Bay, Milos Island, Greece Panagiotis Voudouris 1, * , Marianna Kati 1 , Andreas...Nearshore Vents, Paleochori Bay, Milos Island, Greece. Minerals 2021, 11, 14. https://dx.doi.org/10.3390...Kapodistrian University of Athens, 15784 Athens, Greece; kati@geol.uoa.gr (M.K.); amagganas@geol.uoa.gr...venting at Paleochori Bay, nearshore Milos Island, Greece, discharges CO2 and H2 S rich vapors (e.g., low-Cl...Milos, Hellenic arc, Greece arc, [27,28,40,41] (Figure 1). (Figure 1). continental Greece [27,28,40,41] Figure |  | Price, Roy E., Savov, Ivan, Planer-Friedrich, Britta, BĂŒhring, Solveig I., Amend, Jan, Pichler, Thomas (2013) Processes influencing extreme As enrichment in shallow-sea hydrothermal fluids of Milos Island, Greece. Chemical Geology, 348. 15-26 doi:10.1016/j.chemgeo.2012.06.007 | Journal (article/letter/editorial) | | shallow-sea hydrothermal ïŹuids of Milos Island, Greece Roy E. Price a, b,â, Ivan Savov c, Britta Planer-Friedrich...Bays, off the southeast coast of Milos Island, Greece. Two distinct types of ïŹuids, both extremely As...rocks transpierced by an abundance of secondary quartz and calcite veins rich in pyrite. It is possible...Chemical Geology 348 (2013) 15â26 a Aegean Sea Greece Turkey 38° Milos 37° km 0 50 24° 26° b ...enriched in potentially toxic elements, such as As (Varnavas and Cronan, 1988; Pichler et al., 1999; McCarthy |
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