 | Uysal, Ibrahim, Zaccarini, Federica, Sadiklar, M. Burhan, Bernhardt, Heinz-Jürgen, Bigi, Simona, Garuti, Giorgio (2009) Occurrence of rare Ru-Fe-Os-Ir-oxide and associated Platinum-group minerals (PGM) in the chromitite of Muğla ophiolite, SW-Turkey. Neues Jahrbuch für Mineralogie - Abhandlungen, 185 (3) 323-333 doi:10.1127/0077-7757/2009/0131 | Journal (article/letter/editorial) | | Occurrence of rare Ru-Fe-Os-Ir-oxide 323 N. Jb. Miner. Abh. 2009, Vol. 185/3, p. 323–333, Stuttgart...Verlagsbuchhandlung 2009 Occurrence of rare Ru-Fe-Os-Ir-oxide and associated Platinum-group minerals (PGM)...(PGM) in the chromitite of Muğla ophiolite, SW-Turkey Ibrahim Uysal, Federica Zaccarini, M. Burhan Sadiklar...generally less than 15 microns in size, of unusual Platinum-group mineral (PGM) composed of Ru-Fe-Os-Ir and...describe a further occurrence of oxidized PGE compounds from chromitites of the Muğla ophiolite complex, located |  | Uysal, Ibrahim, Akmaz, Recep Melih, Kapsiotis, Argyrios, Demir, Yılmaz, Saka, Samet, Avcı, Erdi, Müller, 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) | | the Orhaneli and Harmancık ophiolites (Bursa, NW Turkey) as evidenced by mineralogical and compositional...Trabzon, Turkey Department of Geological Engineering, Bülent Ecevit University, 67100 Zonguldak, Turkey c Department...Engineering, Recep Tayyip Erdoğan University, Rize, Turkey e Department of Earth and Environmental Sciences...2014 Keywords: Platinum-group mineral Platinum-group element Chromitite Ophiolite Turkey a b s t r a c...from Orhaneli and Harmancık ophiolites (Bursa, NW Turkey) are mainly associated with dunites. They occur |  | | Book | | M. Bahadır Şahin Editors Mineral Resources of Turkey Modern Approaches in Solid Earth Sciences Volume...M. Bahadır Şahin Editors Mineral Resources of Turkey Editors Franco Pirajno Centre for Exploration...Ankara, Turkey Taner Ünlü Department of Geological Engineering Ankara University Ankara, Turkey M. Bahadır...Directorate of Mineral Research and Exploration Ankara, Turkey Responsible Series Editor: F. Pirajno ISSN 1876-1682... a great leader and the founder of Republic of Turkey. A visit by Mustafa Kemal Atatürk (4th from left; |  | Grieco, Giovanni, Bussolesi, Micol, Tzamos, Evangelos, Rassios, Annie Ewing, Kapsiotis, Argyrios (2018) Processes of primary and re-equilibration mineralization affecting chromitite ore geochemistry within the Vourinos ultramafic sequence, Vourinos ophiolite (West Macedonia, Greece) Ore Geology Reviews, 95. 537-551 doi:10.1016/j.oregeorev.2018.03.009 | Journal (article/letter/editorial) | | affecting chromitite ore geochemistry within the Vourinos ultramafic sequence, Vourinos Ophiolite (West Macedonia...affecting chromitite ore geochemistry within the Vourinos ultramafic sequence, Vourinos Ophiolite (West Macedonia...affecting chromitite ore geochemistry within the Vourinos ultramafic sequence, Vourinos Ophiolite (West Macedonia...grieco@unimi.it Abstract The Vourinos ophiolite is a complete ophiolite sequence covering an area of ~450...~450 km2, that hosts the largest chromite mining district in Europe. Chrome ore deposits range in size from |  | Rassios, A., Tzamos, E., Dilek, Y., Bussolesi, M., Grieco, G., Batsi, A., Gamaletsos, P.N. (2020) A structural approach to the genesis of chrome ores within the Vourinos ophiolite (Greece): Significance of ductile and brittle deformation processes in the formation of economic ore bodies in oceanic upper mantle peridotites. Ore Geology Reviews, 125. 103684pp. doi:10.1016/j.oregeorev.2020.103684 | Journal (article/letter/editorial) | | the genesis of chrome ores within the Vourinos Ophiolite (Greece): Significance of ductile and brittle...the genesis of chrome ores within the Vourinos Ophiolite (Greece): Significance of ductile and brittle...genesis of chrome ores within the Vourinos 2 Ophiolite (Greece): Significance of ductile and brittle...understanding of ophiolites as hosts to economic–scale chromitite ore deposits 25 requires the integration of...Neotethyan Vourinos ophiolite in Northern Greece represents a well-preserved 28 ophiolite complete with sheeted |  | Vuollo, Jouni, Liipo, Jussi, Nykanen, Vesa, Piirainen, Tauno, Pekkarinen, Lauri, Tuokko, Ilkka, Ekdahl, Elias (1995) An early Proterozoic podiform chromitite in the Outokumpu ophiolite complex, Finland. Economic Geology, 90 (2) 445-452 doi:10.2113/gsecongeo.90.2.445 | Journal (article/letter/editorial) | | 445-452 AN EARLY PROTEROZOIC PODIFORM OPHIOLITE CHROMITITE COMPLEX, IN THE OUTOKUMPU FINLAND JOUNIVUOLLO...hostedby alpine- Complexin easternFinland.The occurrence,mineralogy, type peridotitc,contrastingwith the...the regularlystratified mineral chemistry,and platinum-groupelement (PGE) chromitelayersofthe stratiformcomplexes...into which these slides of kumpu and Jormua Ophiolite Complexes(Koistinen, the oceanic lithosphere were...al., 1992), whereasthe Outokumpu The Outokumpu Ophiolite Complex is dismembered, andJormuaOphioliteComplexesalsocontaina |  | Kapsiotis, Argirios, Grammatikopoulos, Tassos A., Tsikouras, Basilios, Hatzipanagiotou, Konstantin, Zaccarini, Federica, Garuti, Giorgio (2011) Mineralogy, composition and PGM of chromitites from Pefki, Pindos ophiolite complex (NW Greece): evidence for progressively elevated fAs conditions in the upper mantle sequence. Mineralogy and Petrology, 101 (1) 129-150 doi:10.1007/s00710-010-0140-8 | Journal (article/letter/editorial) | | composition and PGM of chromitites from Pefki, Pindos ophiolite complex (NW Greece): evidence for progressively...2010 # Springer-Verlag 2010 Abstract The Pindos ophiolite complex, located in the northwestern part of continental...has been confirmed in some Mesozoic ophiolitic chromitite occurrences (e.g. Malitch et al. 2003), indicating...fAs conditions are relatively elevated during chromitite formation (e.g. Kraubath massif, Austria; Malitch...formation of the Pefki chromitites in the Pindos ophiolite complex. The presence of an unusual PGM assemblage |  | Miura, Makoto, Arai, Shoji, Mizukami, Tomoyuki, Shmelev, Vladimir, Ishimaru, Satoko (2018) Petrology of Chromitites in the Higashi-Akaishi Ultrahigh-Pressure (UHP) Peridotite Complex, Japan: Toward Understanding of General Features of the UHP Chromitites. Minerals, 8 (11) 525 doi:10.3390/min8110525 | Journal (article/letter/editorial) | | surrounding peridotite. Chromian spinels in the chromitite and surrounding peridotites were sometimes fractured...UHP chromitite can be obtained by compression, possibly via deep subduction, of low-P chromitite. Keywords:...Keywords: chromitite; ultrahigh-pressure metamorphism; the Higashi-akaishi peridotite complex; diopside...chromitites from ophiolites, such as the Oman ophiolite, commonly show various lines of evidence for low-P...peridotites in several ophiolites such as Luobusa ophiolite [5–9] have been found from chromitites and surrounding |  | | Journal (article/letter/editorial) | | (1987) © Springer-Verlag 1987 Systematics of chromitite occurrences in Central Palawan, Philippines D...Germany Abstract. The chromitite occurrences in the Central Palawan ophiolite can be classified into...chromites from a deep tectonite level of the ophiolite complex show Cr/(Cr+A1) values of between 0.78...ratios between 2.5 and 4.5, whilst those of small chromitite bodies with a thin dunite envelope (type B) lie...involves their silicate and ore inclusions. The platinum-group minerals, for example, occur mainly in chromites |  | | Report (issue) | | (PRISM-II) Mineral Potential for Nickel, Copper, Platinum Group Elements (PGE), and Chromium Deposits Hosted..., 2015, Mineral potential for nickel, copper, platinum group elements (PGE), and chromium deposits hosted...and Neoproterozoic Greenstones of the Inchiri District ..................................................................................... 49 3.5 Ophiolite of the Gorgol Noir Complex in the Southern Mauritanides............................... 57 The Diaguili Occurrence ............................................ | | | Report (issue) | | (PRISM-II) Mineral Potential for Nickel, Copper, Platinum Group Elements (PGE), and Chromium Deposits Hosted..., 2015, Mineral potential for nickel, copper, platinum group elements (PGE), and chromium deposits hosted...and Neoproterozoic Greenstones of the Inchiri District ..................................................................................... 49 3.5 Ophiolite of the Gorgol Noir Complex in the Southern Mauritanides............................... 57 The Diaguili Occurrence ............................................ |  | | Journal (article/letter/editorial) | | compositional variations of δ53 Cr values in ophiolite-hosted chromitites and to delineate geochemical...Cr values of all chromitite samples from Othrys (+0.043 ± 0.03%), and the occurrence of a wide range...Balkan Pensula 1. Introduction Chromitites in ophiolite complexes are studied extensively, in particular...and trace element compositions, including their platinum-group element (PGE) content, and also have been...obliterated later on during secondary processes, in that Platinum-Group Minenerals (PGM) and silicates may have |  | | Journal (article/letter/editorial) | | for chondritic upper mantle from the Outokumpu ophiolite, Finland Richard J. Walker a’*, Eero Hanski b31...upper mantle section of the 1.97 Ga Outokumpu ophiolite indicate that the mantle sources of these materials...reservoirs. Keywords: Proterozoic: Re/Os; ophiolite; chromitite: upper mantle; Outokumpu 1. Introduction...emplaced into stable cratonic settings. Complete ophiolite sequences include ultramafic sections that likely...they concluded, especially the Bay of Islands ophiolite, may have experienced alteration, or were contaminated |  | | Book | | Innovative and Applied Research on Platinum-Group and Rare Earth Elements Dedicated to the Work and Memory...Research on Platinum-Group and Rare Earth Elements Innovative and Applied Research on Platinum-Group and...Special Issue “Innovative and Applied Research on Platinum-Group and Rare Earth Elements” Reprinted from:... A New Sulfide from the Podiform Chromitite of the Othrys Ophiolite, Greece Reprinted from: Minerals...Grammatikopoulosite, NiVP, a New Phosphide from the Chromitite of the Othrys Ophiolite, Greece Reprinted from: Minerals |  | | Journal (article/letter/editorial) | | © by Springer-Verlag 1990 Platinum-Group Mineral Inclusions in Chromitite from the Osthammeren Ultramafic...Fourteen different platinum-group minerals (PGM) have been found in massive chromitite from the Osthammeren...have influenced the formation of these PGM. The occurrence of PGM within unaltered chromite suggests a primary...(Barnes et al., 1987), and a succeeding study of platinum-group minerals (PGM) in the PGE-anomalous chromitites...genesis of the P G M is briefly discussed. Seventy chromitite samples from nineteen ultramafic tectonite bodies |  | | Journal (article/letter/editorial) | | the ophiolitic complex. The morphology of the chromitite bodies is deformed, slickensided and sometimes...trend of the region. Chromite within the main chromitite ore bodies is generally homogeneous in geochemical...variation in composition than the chromite of the chromitite ore. These compositional differences are attributed...features that are characteristics of the Alpine-type chromitite ore deposits. The rock assemblage is interpreted...zone setting. Key words: chromite, Alpine-type, ophiolite complex, serpentinization, zonation. Introduction |  | Carlson, C.A., Wilson, S.A., Carlson, R.R., Bradley, L.A., Cornell, J., Gent, C.A., Goss, W.D., Groenboer, H., Haffty, Joseph, Haubert, A.W., Love, A.H., McDade, J.M., Moore, R.F., Riley, L.D., Moring, Barry, Singer, D.A., Page, N.J. (1985) Analyses for platinum group elements in samples from podiform chromite deposits, California and Oregon. Open-File Report Vol. 1985 (85-442) US Geological Survey doi:10.3133/ofr85442 | Report (issue) | | INTERIOR U.S. GEOLOGICAL SURVEY Analyses -for platinum group elements in samples f r om pod i f or m...this debt- The authors are also grateful for chromitite samples contributed by J* P B Albers,, J» K....This report presents platinum group element (P6E) chemical analyses for 323 chromitite samples collected...grains to massive chromitite. For purposes of this study samples were? defined as chromitite if the chromium...Moring (unpub. data., 1985) DATA Most samples of chromitite from California were analyzed by fire-assay atomic |  | Auge, T., Genna, A., Legendre, O., Ivanov, K. S., Volchenko, Y. A. (2005) Primary Platinum Mineralization in the Nizhny Tagil and Kachkanar UltramaficComplexes, Urals, Russia: A Genetic Model for PGE Concentration in Chromite-RichZones. Economic Geology, 100 (4) 707-732 doi:10.2113/gsecongeo.100.4.707 | Journal (article/letter/editorial) | | Economic Geology, v. 100, pp. 707–732 Primary Platinum Mineralization in the Nizhny Tagil and Kachkanar...the magmatic system. Two main types of chromitite occurrence are observed in the dunite body: small (100...continuous feeding of magma to the system. The platinum-group element (PGE) content of the chromite-free...sample). In contrast, both types of chromite occurrence are enriched in PGE. Two PGE mineralizing episodes...Ir-Ru-(Rh ± Os)-rich, Pt-Pd-poor episode in which the platinum-group minerals (PGM) are mainly Ir alloys, and |  | | Book | | earths, lead and zinc, iron group, silver and platinum group, non-metallic, namely fluorite and phosphates...Otgonkhuu Javkhlan and Baatar Munkhtsengel 10 Platinum Group Elements Mineralization . . . . . . . ....accretionary wedge, passive continental margin, ophiolite, metamorphic, and overlap complexes (Fig. 1.1)...Neoproterozoic-Early Cambrian period is characterized by ophiolite associations formed mainly in the back-arc and...Mongolia, the eldest Shishged ultramafic massif of ophiolite complex composed of serpentinized dunite, harzburgite |  | | Journal (article/letter/editorial) | | 765-793 Geology, Geochemistry,and Origin of Platinum-GroupElementChromitite Occurrencesin the HeazlewoodRiver...hostedby primitive,olivine-richcumulates.Type II chromitite occursasthicker schlierencontainingmorealuminousspineland...displayenrichmentin platinum-group elementsrelativeto the cumulate ultramaficsequences. The maximumtotal platinum-group...and i ppm.The chromititesarerichestin ruthenium, platinum,andrhodium,reflectingthe presenceof discretep...whichoccurasaltered,anhedralgrainsin the silicate matrix. The platinum-groupmineral assemblages recognizedin this investigationare |  | | Book | | intrusions host world-class ore bodies of chromium, platinum group elements (PGE), vanadium, titanium and phosphorous...James E. Mungall 331 vii viii Contents 9 Platinum-Group Element Deposits in Layered Intrusions:...intrusions contain world-class deposits of chromium, platinum group elements (PGE), and vanadium, metals that...some host world-class ore bodies of chromium, platinum group elements (PGE), and vanadium (Cawthorn et...to one of the world’s largest concentrations of platinum group elements, from the giant Bushveld Complex |  | RUSKOV, T., SPIROV, I., GEORGIEVA, M., YAMAMOTO, S., GREEN, H. W., McCAMMON, C. A., DOBRZHINETSKAYA, L. F. (2010) Mössbauer spectroscopy studies of the valence state of iron in chromite from the Luobusa massif of Tibet: implications for a highly reduced deep mantle. Journal of Metamorphic Geology, 28 (5) 551-560 doi:10.1111/j.1525-1314.2010.00878.x | Journal (article/letter/editorial) | | nodular and disseminated podiform chromitite ores of the Luobasa ophiolite massif of Tibet. The results show...presence of high-pressure phases within the massive chromitite ore requires that the latter, together with its...hydrous melt, yielding the nodular and disseminated chromitite ores. The preponderance of evidence suggests...disproportionation; mantle; Mössbauer spectroscopy; ophiolite. INTRODUCTION Podiform chromitites are small...represent mantle sections of ophiolite formations. Three textural types of chromitite ores are recognized: massive |  | Yudovskaya, Marina A., Kinnaird, Judith A., Grobler, Danie F., Costin, Gelu, Abramova, Vera D., Dunnett, Tim, Barnes, Sarah-Jane (2017) Zonation of Merensky-Style Platinum-Group Element Mineralization in Turfspruit Thick Reef Facies (Northern Limb of the Bushveld Complex)*. Economic Geology, 112 (6) 1333-1365 doi:10.5382/econgeo.2017.4512 | Journal (article/letter/editorial) | | 112, pp. 1333–1365 Zonation of Merensky-Style Platinum-Group Element Mineralization in Turfspruit Thick...Platreef structure updip although the high-grade platinum-group element (PGE) reefs, located close to the...suggesting the same enrichment process. Introduction Platinum-group element (PGE) reefs are a type of deposit...as a series of sills. Here we describe PGE and platinum-group minerals (PGM) distribution in the thickest...Ir-group PGE (IPGE) grades and minerals in the chromitite seams as an element of zoning has long been known |  | | Report (issue) | | ............................................ Occurrence model for enargite-gold deposits, by R. P. Ashley...119 127 131 144 148 155 Page Mineral deposit occurrence model for the Viburnum Trend subregion of the...the Southeast Missouri base metal and barite district, by A. V. Heyl................................................................................. Occurrence model for sedimentary manganese deposits, by... particularly in our ability to 'predict the occurrence of unexposed mineral deposits. We are now performing |
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