| | Journal (article/letter/editorial) | Graphite-Like Carbon in Podiform Chromitites of Greece and Its Genetic Significance Maria Economou-Eliopoulos...Geoenvironment, University of Athens, Athens 15784, Greece; gtsoupas@geol.uoa.gr (G.T.); vskoun@geol.uoa.gr...processes in the composition of chromitites hosted in ophiolite complexes, the origin of super-reduced phases...chromitites of the Skyros, Othrys, Pindos, and Veria ophiolites (Greece). The aim of this study was the delineation...as FeâNiâCr-alloys, awaruite (Ni3 Fe), and heazlewoodite (Ni3 S2 ). Carbon-bearing assemblages are better | | | Journal (article/letter/editorial) | Geochemical and mineralogical constraints from the Veria (Greece) podiform chromitites George Tsoupas, Maria...Geochemical and mineralogical constraints from the Veria (Greece) podiform chromitites, Geoscience Frontiers...and 2 mineralogical constraints from the Veria (Greece) podiform chromitites 3 4 5 6 7 8 9 10 George...of Athens, Panepistimiopolis, GR-15784, Athens, Greece ro of * Corresponding author email address:...from the Veria ophiolite 26 complex in Macedonia (N. Greece) may be unique among ophiolite complexes | | | Journal (article/letter/editorial) | Geoenvironment, University of Athens, 15784 Athens, Greece; mitsis@geol.uoa.gr Department of Geosciences and...compositional variations of ÎŽ53 Cr values in ophiolite-hosted chromitites and to delineate geochemical...Balkan Pensula 1. Introduction Chromitites in ophiolite complexes are studied extensively, in particular...contaminated water from the Evia and Assopos Basins (Greece) are compatible with global data ranges that characterize...from a small serpentinite-dominated catchment in Central Europe, revealed that the Cr(VI) export flux during | | | Journal (article/letter/editorial) | PODIFORM CHROMITITE LOCALITIES IN THE PINDOS OPHIOLITE COMPLEX, GREECE Hazel M. PRICHARD School of Earth, Ocean...of Athens, Panepistimiopolis, GRâ15784 Athens, Greece Peter C. FISHER School of Earth, Ocean and Planetary...chromitite from two localities in the Pindos ophiolite complex in Greece, Milia and Korydallos. At Milia, the...Keywords: Pindos ophiolite, platinum-group minerals, PGE oxides, chromitite, Greece. Sommaire Nous avons...platine. (Traduit par la RĂ©daction) Mots-clĂ©s: ophiolite de Pindos, minĂ©raux du groupe du platine, oxydes | | | Journal (article/letter/editorial) | Chromitites and PGE Mineralization in the Ulan-Sarâdag Ophiolite (East Sayan, Russia) Olga N. Kiseleva 1, *, Evgeniya...mineralization (PGM) of the Ulan-Sarâdag ophiolite (USO), located in the Central Asian Fold Belt (East Sayan). Three...of the evolution of the Ulan-Sarâdag ophiolite. Keywords: ophiolite; chromitites; PGE mineralogy; geodynamic...chromitites are associated with restite peridotites in ophiolite complexes [1â5]. The concentration, platinum-group...initial melt composition and geodynamic setting of ophiolite formations [14â22]. The use of an olivineâchrome | | Grieco, Giovanni, Bussolesi, Micol, Eslami, Alireza, Gentile, Andrea, Cavallo, Alessandro, Lian, Dongyang, Yang, Jingsui, Ghaseminejad, Farhad (2020) Differential platinum group elements (PGE) re-mobilization at low fS2 in Abdasht and Soghan mafic-ultramafic complexes (Southern Iran). Lithos, 366. 105523pp. doi:10.1016/j.lithos.2020.105523 | Journal (article/letter/editorial) | (laurite) are more abundant. Secondary BMM (heazlewoodite, millerite and Ni-Fe alloys) and PGM (PGEalloys)... Primary sulfides were replaced by S-poor (heazlewoodite) or S-free (Ni-Fe alloys, PGE alloys, PGE-BM...between 75 and 100%. Keywords: Abdasht-Soghan complex, chromitites, platinum-group elements, platinum-group...chromitite deposits. f 2.1. Abdasht complex oo Abdasht complex, that extends for 7Ă5 km in NâS and...the most abundant rock type exposed within the complex e- (Najafzadeh and Ahmadipour, 2016). Dunites | | Gonzalez-Jimenez, J. M., Auge, T., Gervilla, F., Bailly, L., Proenza, J. A., Griffin, W. L. (2011) MINERALOGY AND GEOCHEMISTRY OF PLATINUM-RICH CHROMITITES FROM THE MANTLE-CRUST TRANSITION ZONE AT OUEN ISLAND, NEW CALEDONIA OPHIOLITE. The Canadian Mineralogist, 49 (6) 1549-1569 doi:10.3749/canmin.49.6.1549 | Journal (article/letter/editorial) | TRANSITION ZONE AT OUEN ISLAND, NEW CALEDONIA OPHIOLITE JosĂ© MarĂa GONZĂLEZ-JIMĂNEZ§ ARC Centre of Excellence...chromian spinel from podiform chromitites in other ophiolite complexes. The chromitites are strongly enriched...NiâCuâFe sulfides (pentlandite, millerite, heazlewoodite, chalcopyrite and bornite), awaruite (Ni3Fe)...and crust sequences of the New Caledonia ophiolite complex. The distribution, morphology and composition... mantleâcrust transition zone, New Caledonia Ophiolite, Ouen Island. Sommaire Des chromitites, sous | | | Journal (article/letter/editorial) | 15771, Greece Department of Geology and Geoenvironment, University of Athens, Athens 15784, Greece Received...available online 24 December 2008 Abstract In ophiolite complexes and Ural/Alaskan-type intrusions the...minerals (PGM) associated with Ural/Alaskan-type and ophiolite complexes we suggest the application of the Arrhenius...grains in many maïŹcâultramaïŹc complexes, including ophiolite, and Ural/Alaskan-type complexes (Talkington et...who have studied platinumâPGM from the Bushveld complex agree that the grain sizes of the PGM are much | | Uysal, Ibrahim, Akmaz, Recep Melih, Kapsiotis, Argyrios, Demir, Yılmaz, Saka, Samet, Avcı, Erdi, MĂŒller, Dirk (2015) Genesis and geodynamic significance of chromitites from the Orhaneli and Harmancık ophiolites (Bursa, NW Turkey) as evidenced by mineralogical and compositional data. Ore Geology Reviews, 65. 26-41 doi:10.1016/j.oregeorev.2014.08.006 | Journal (article/letter/editorial) | Platinum-group mineral Platinum-group element Chromitite Ophiolite Turkey a b s t r a c t Chromitites from Orhaneli...one chromitite sample (BO13B) from the Orhaneli ophiolite contains magnesiochromite with relatively low...83 and 169 ppb, two samples from the Orhaneli ophiolite show enrichments in total PGE (up to 500 ppb)...magnesiochromite, whereas bornite, awaruite, heazlewoodite, violarite and orcelite are mostly observed...the crustâmantle transition zone of numerous ophiolite complexes. They are commonly thought to represent | | | Journal (article/letter/editorial) | of Athens, Panepistimiopolis, GR-15784 Athens, Greece; 9 2 Institute of Geology and Mineral Exploration...Sp. Loui 1, Olympic Village, GR-13677 Acharnai, Greece 10 11 12 * Correspondence: Maria Economou-Eliopoulos...chromitites 22 and porphyry-Cu deposits from Greece and everywhere (literature data) aims to define...23 controlling precious metal enrichment in ophiolite complexes and the unknown Pd and Pt potential...PGE 25 content in chromitites associated with ophiolite complexes is commonly low (a few 100s of ppb) | | Kozlu, Hatice, Prichard, Hazel, Melcher, Frank, Fisher, Peter, Brough, Christopher, Stueben, Doris (2014) Platinum group element (PGE) mineralisation and chromite geochemistry in the Berit ophiolite (Elbistan/KahramanmaraĆ), SE Turkey. Ore Geology Reviews, 60. 97-111 doi:10.1016/j.oregeorev.2013.12.011 | Journal (article/letter/editorial) | mineralisation and chromite geochemistry in the Berit ophiolite (Elbistan/KahramanmaraĆ), SE Turkey Hatice Kozlu...(MTZ) and in the cumulate dunites in the Berit ophiolite in SE Turkey. Iridium group elementsIPGE (Ir,...chromitite chondrite normalised patterns in the Berit ophiolite show an enrichment of PPGE, with values of up...PtâPdâCuâAuâ alloys. The PPGE enrichment in the Berit ophiolite is unusual, and the presence of such occurrences...continental complexes (e.g., the Bushveld Igneous Complex in South Africa) (Barnes and Roeder, 2001). Both | | GonzĂĄlez-JimĂ©nez, J.M., Proenza, J.A., Gervilla, F., Melgarejo, J.C., Blanco-Moreno, J.A., Ruiz-SĂĄnchez, R., Griffin, W.L. (2011) High-Cr and high-Al chromitites from the Sagua de TĂĄnamo district, MayarĂ-Cristal ophiolitic massif (eastern Cuba): Constraints on their origin from mineralogy and geochemistry of chromian spinel and platinum-group elements. Lithos, 125 (1) 101-121 doi:10.1016/j.lithos.2011.01.016 | Journal (article/letter/editorial) | mantle harzburgite section of the MayarĂ-Cristal ophiolite massif and, in the mantleâcrust transition zone...Geological setting and chromitite The Northern Cuban Ophiolite Belt comprises a set of strongly faulted ultramaïŹc...[Blanco-Quintero et al., 2011]). The ophiolite and the metamorphic complex have been thrust over Cretaceous...Fonseca et al. (1985) have described a sheeted-dyke complex in the northwestern part of the body, but Marchesi...et al. (2006) argue that this is a subvolcanic complex made up of massive microgabbros in tectonic contact | | | Book | and Memory of Dr. Demetrios G. Eliopoulos, IGME (Greece) Edited by Maria Economou-Eliopoulos, Federica...and Memory of Dr. Demetrios G. Eliopoulos, IGME (Greece) Special Issue Editors Maria Economou-Eliopoulos...Athens University of Leoben University of Leoben Greece Austria Austria Editorial OfïŹce MDPI St. Alban-Anlage...from the Podiform Chromitite of the Othrys Ophiolite, Greece Reprinted from: Minerals 2020, 10, 245, doi:10...Phosphide from the Chromitite of the Othrys Ophiolite, Greece Reprinted from: Minerals 2020, 10, 131, doi:10 | | Zhou, Mei-Fu, Robinson, Paul T., Su, Ben-Xun, Gao, Jian-Feng, Li, Jian-Wei, Yang, Jing-Sui, Malpas, John (2014) Compositions of chromite, associated minerals, and parental magmas of podiform chromite deposits: The role of slab contamination of asthenospheric melts in suprasubduction zone environments. Gondwana Research, 26 (1) 262-283 doi:10.1016/j.gr.2013.12.011 | Journal (article/letter/editorial) | Chromites of the mantle sequence of the Luobusa ophiolite SC 3. Platinum group minerals and platinum group...minerals, Melt/rock interaction, Slab contamination, Ophiolite, SSZ environments ACCEPTED MANUSCRIPT 1. Introduction...bodies that occur within mantle peridotites of ophiolite complexes (Thayer, 1964; 1969; Dickey, 1975)....the MA Acoje and Coto massifs of the Zambales ophiolite in the Philippines (Yumul et al., 2003) and the...and Mayari-Cristal massifs of the Moa-Mayari ophiolite in Cuba ED (Proenza et al., 1999; Zhou et al | | GonzĂĄlez-JimĂ©nez, JosĂ© M., Barra, Fernando, Garrido, Leonardo N.F., Reich, Martin, Satsukawa, Takako, Romero, Rurik, Salazar, Eduardo, ColĂĄs, Vanessa, Orellana, Felipe, Rabbia, Osvaldo, Plissart, GaĂ«lle, Morata, Diego (2016) A secondary precious and base metal mineralization in chromitites linked to the development of a Paleozoic accretionary complex in Central Chile. Ore Geology Reviews, 78. 14-40 doi:10.1016/j.oregeorev.2016.02.017 | Journal (article/letter/editorial) | the development of a Paleozoic accretionary complex in Central Chile JosĂ© M. GonzĂĄlez-JimĂ©nez a,â, Fernando...Chromite Serpentinite Metamorphism Accretionary complex a b s t r a c t Platinum-group element (PGE) and...hosted in the Paleozoic Coastal Accretionary Complex of Central Chile. In these ultramaïŹc rocks the mineralization...evolution of the subduction-related accretionary complex. The chromitites contain appreciable amounts of...(Fig. 1a). It is interpreted as an accretionary complex developed at the southwestern margin of Gondwana | | | Book | tpa/d SIC SUC USGS/USBM Bushveld Igneous Complex Complex Department of Mines and Geology Department...annum/day Sudbury/Stillwater Igneous Complex Sukinda Ultramafic Complex United States Geological Survey/...colored compounds, and an ability to form stable complex ions. The electrons they use to combine with other...sources of iridium are in the Bushveld igneous complex in South Africa, the large copperânickel deposits...metallic ironânickel. The structure of the igneous complex at the Sudbury Mining District, Canada, was formed |
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