 | | Journal (article/letter/editorial) | | and Fe–Ni minerals in the Sartohay podiform chromitite (west Junggar, China): implications for T–pH–fO2–fS2...and Fe–Ni minerals in the Sartohay podiform chromitite (west Junggar, China): implications for T–pH–fO2–fS2...and Fe–Ni minerals in the Sartohay podiform chromitite (west Junggar, China): implications for T–pH– fO2–fS2...Space Sciences, Peking University, Beijing 100871, China (corresponding author: yfzhu@pku.edu.cn) ABSTRACT...(partly altered chromite, double-rimmed chromite, and porous chromite) discovered in the Sartohay podiform chromitite |  | | Journal (article/letter/editorial) | | inclusions in the Sartohay podiform chromitites in west Junggar of northwest China Qingmin Zhu, Yongfeng...inclusions in the Sartohay podiform chromitites in west Junggar of northwest China, Ore Geology Reviews...inclusions in the 2 Sartohay podiform chromitites in west Junggar of northwest China 3 4 Qingmin Zhu...Sciences, 6 Peking University, Beijing 100871, China (corresponding author: yfzhu@pku.edu.cn) 7 ABSTRACT...chromitites hosted by the Sartohay ophiolitic mélange in west Junggar, northwest China. 11 New petrographic |  | Zhu, Yongfeng, Tan, Juanjuan, Qiu, Tian (2016) Platinum group mineral (PGM) and Fe–Ni–As–S minerals in the Sartohay chromitite, Xinjiang (NW China): Implications for the mobility of Os, Ir, Sb, and As during hydrothermal processes. Ore Geology Reviews, 72. 299-312 doi:10.1016/j.oregeorev.2015.08.001 | Journal (article/letter/editorial) | | and Fe–Ni–As–S minerals in the Sartohay chromitite, Xinjiang (NW China): Implications for the mobility...University, Beijing 100871, China Wuhan Center of Geological Survey, Wuhan 430223, China a r t i c l e i n...mélange Sartohay Junggar a b s t r a c t The Sartohay chromitite deposit, hosted in the Sartohay ophiolite...ophiolite mélange in western Junggar (Xinjiang province, NW China), contains irarsite, breithauptite, and...the chrome-spinel was firstly altered to Fe-rich chromite at low-temperature with relatively lower Fe3+/Fe2+ |  | 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) | | Compositions of chromite, associated minerals, and parental magmas of podiform chromite deposits: The role...Compositions of chromite, associated minerals, and parental magmas of podiform chromite deposits: The role...Compositions of chromite, associated minerals, and parental magmas of podiform chromite deposits: the role...Sciences, The University of Hong Kong, Hong Kong, China b State Key Laboratory of Lithospheric Evolution... Beijing, China State Key Laboratory of Geological Processes and Mineral Resources, China University |  | | Journal (article/letter/editorial) | | Science, Peking SC University, Beijing 100871, China AC CE PT E D MA NU (* Corresponding author:...ophiolite, which marks the boundary RI between the Yili-central Tianshan and the Junggar terranes. Pillow...complex (NTAC) marks the final collision between the Yili-central Tianshan and Junggar terranes following...background CE The NTAC (Fig. 1a), located between the Yili-central Tianshan and the Junggar AC terranes was...and typically rimmed by chromian magnetite ± ferrian chromite RI overgrowths (Fig. 5f). Olivine, pyroxene |  | Kapsiotis, Argyrios, Economou-Eliopoulos, Maria, Zheng, Hao, Su, Ben-Xun, Lenaz, Davide, Jing, Jie-Jun, Antonelou, Aspasia, Velicogna, Matteo, Xia, Bin (2019) Refractory chromitites recovered from the Eretria mine, East Othris massif (Greece): Implications for metallogeny and deformation of chromitites within the lithospheric mantle portion of a forearc-type ophiolite. Geochemistry, 79 (1) 130-152 doi:10.1016/j.geoch.2018.12.003 | Journal (article/letter/editorial) | | Refractory chromitites recovered from the Eretria mine, East Othris massif (Greece): Implications for metallogeny...Science, Sun Yat-sen University, Guangzhou 510275, China School of Earth Science and Geological Engineering...Engineering, Sun Yat-sen University, Guangzhou 510275, China c Department of Geology and Geoenvironment, Section...Beijing 100029, China e University of Chinese Academy of Sciences, Beijing 100049, China f Department of...Neo-Tethys The chrome ores of the abandoned Eretria mine of the East Othris ophiolite occur within a pervasively |  | Proenza, J.A., Zaccarini, F., Escayola, M., Cábana, C., Schalamuk, A., Garuti, G. (2008) Composition and textures of chromite and platinum-group minerals in chromitites of the western ophiolitic belt from Pampean Ranges of Córdoba, Argentina. Ore Geology Reviews, 33 (1) 32-48 doi:10.1016/j.oregeorev.2006.05.009 | Journal (article/letter/editorial) | | com/locate/oregeorev Composition and textures of chromite and platinum-group minerals in chromitites of...composition and textures of the chromite and platinum group minerals. Primary chromite composition is only preserved...the chromite composition records two main metamorphic trends. A first trend defined by chromite from...depleted in Al, Mg. A second trend is defined by chromite from disseminated chromitite and metamorphosed...which a Fe-rich phase is replacing the Al-rich chromite. This alteration trend is characterized by enrichment |  | | Journal (article/letter/editorial) | | Hegenshan podiform chromitites (Inner Mongolia, China): Sub-solidus cooling and hydrothermal alteration...Hegenshan podiform chromitites (Inner Mongolia, China): Sub-solidus cooling and hydrothermal alteration...Hegenshan podiform chromitites (Inner 2 Mongolia, China): Sub-solidus cooling and hydrothermal alteration...Sciences, Peking 7 University, Beijing 100871, China 8 *Corresponding author, E-mail: yfzhu@pku.edu...ophiolitic complex from the Inner Mongolia 12 of China display massive, semi-massive, and disseminated |  | | Journal (article/letter/editorial) | | Engineering, Sun Yat-sen University, Guangzhou, China Chromitites, associated with upper mantle spinel...and corresponds to ferrian chromite. Microscopic studies revealed that ferrian chromite is paragenetically...serpentinization was responsible for the formation of the ferrian chromite–clinochlore association. In addition, magnesiochromite...transition from ductile to semi-brittle conditions. Ferrian chromite can be locally erratically enriched in MnO...olivine, both phases were partly replaced by ferrian chromite and clinochlore, respectively, during a brief |  | Merinero, Raúl, Lunar, Rosario, Ortega, Lorena, Piña, Rubén, Monterrubio, Serafín, Gervilla, Fernando (2014) Zoned chromite records multiple metamorphic episodes in the Calzadilla de los Barros ultramafic bodies (SW Iberian peninsula) European Journal of Mineralogy, 26 (6) 757-770 doi:10.1127/ejm/2014/0026-2406 | Journal (article/letter/editorial) | | 757–770 Published online 2 September 2014 Zoned chromite records multiple metamorphic episodes in the Calzadilla...development of variably complex patterns of zoning in chromite grains. These patterns consist of cores with variable...surrounded by thin rims of porous chromite. Two types of zoned chromite are observed in chromitites: (1)...in chromite rims. Accessory chromites in dunites show complete transformation to ferrian chromite and... Some chromite grains from massive chromitites (defined here as higher than 85 vol.% chromite) still |  | Pujol-Solà, Núria, Proenza, Joaquín, Garcia-Casco, Antonio, González-Jiménez, José, Andreazini, Aleu, Melgarejo, Joan, Gervilla, Fernando (2018) An Alternative Scenario on the Origin of Ultra-High Pressure (UHP) and Super-Reduced (SuR) Minerals in Ophiolitic Chromitites: A Case Study from the Mercedita Deposit (Eastern Cuba). Minerals, 8 (10). 433pp. doi:10.3390/min8100433 | Journal (article/letter/editorial) | | oriented clinopyroxene lamellae in chromite, oriented rutile lamellae in chromite, moissanite hosted in the altered...corundum and SiO2 hosted in healed fractures in chromite grains, and native Cu and Fe–Mn alloy recovered...of chromitite in the mantle or formation of the chromite grains at deep mantle depths, followed by emplacement...independently as oriented clinopyroxene lamellae in chromite during cooling (clinopyroxene and rutile), in...zone. This subducted material is incorporated in chromite crystallizing from melts originating from rising |  | Xiong, Fahui, Liu, Zhao, Kapsiotis, Argyrios, Yang, Jingsui, Lenaz, Davide, Robinson, Paul T. (2019) Petrogenesis of lherzolites from the Purang ophiolite, Yarlung-Zangbo suture zone, Tibet: origin and significance of ultra-high pressure and other ‘unusual’ minerals in the Neo-Tethyan lithospheric mantle. International Geology Review, 61 (17) 2184-2210 doi:10.1080/00206814.2019.1584771 | Journal (article/letter/editorial) | | Chinese Academy of Geological Sciences, Beijing, China; bShandong Provincial Key Laboratory of Depositional...Shandong University of Science and Technology, China; cMNR Key Laboratory of Metallogeny and Mineral...Institute of Mineral Resources, CAGS, Beijing, China; dKey Laboratory of Offshore Oil Exploration and...Marine Science, Sun Yat-sen University, Guangzhou, China; eDepartment of Mathematics and Geosciences, University...Sciences, Baiwanzhuang Road 26, Beijing 100037, China Supplementary data for this article can be accessed |  | Huang, Yang, Wang, Lu, Kusky, Timothy, Robinson, Paul T., Peng, Songbai, Polat, Ali, Deng, Hao (2017) High-Cr chromites from the Late Proterozoic Miaowan Ophiolite Complex, South China: Implications for its tectonic environment of formation. Lithos, 288. 35-54 doi:10.1016/j.lithos.2017.07.014 | Journal (article/letter/editorial) | | late Proterozoic Miaowan Ophiolite Complex, South China: Implications for its tectonic environment of formation...late Proterozoic Miaowan Ophiolite Complex, South China: Implications for its tectonic environment of formation...Miaowan Ophiolite Complex, SC R IP T South China: Implications for its tectonic environment of formation...School of Earth Sciences, China University of Geosciences, Wuhan 430074, China D b TE Three Gorges...Center for Geo-hazards, China University of Geosciences, Wuhan 430074, China CE P C AC Department |  | 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) | | Sciences, Sun Yat-Sen University, Guangzhou, PR China d Department of Geological Engineering, Recep Tayyip...reconcentrated during pooling of the resultant melts where chromite ⁎ Corresponding author. Tel.: +90 462 3772744;...confirm that PGE do not occur as solid solution in chromite but tend to form discrete phase, the so-called...on the relative stability of PGM inclusions in chromite indicate that they are near-liquidus minerals...crystallization conditions may resemble those of chromite (e.g., Andrews and Brenan, 2002; Ballhaus et al |  | Colás, Vanessa, González-Jiménez, José María, Camprubí, Antoni, Proenza, Joaquín A., Griffin, William L., Fanlo, Isabel, O’Reilly, Suzanne Y., Gervilla, Fernando, González-Partida, Eduardo (2019) A reappraisal of the metamorphic history of the Tehuitzingo chromitite, Puebla state, Mexico. International Geology Review, 61 (14) 1706-1727 doi:10.1080/00206814.2018.1542633 | Journal (article/letter/editorial) | | resulted in the formation of: i) partly altered chromite characterized by unaltered cores surrounded by...Al-depleted porous chromite containing chlorite; ii) porous chromite corresponding to a chromite that was entirely...Fe2+-rich and Al-depleted porous chromite; and iii) zoned chromite formed by modified cores surrounded...non-porous chromite and magnetite rims. The content of minor and trace elements (Ga, Ti, Ni, Zn, Co, Mn, V...V, Sc) in the cores of partly altered chromite preserves the magmatic fingerprint of back-arc-bearing |  | Säntti, Jaakko, Kontinen, Asko, Sorjonen-Ward, Peter, Johanson, Bo, Pakkanen, Lassi (2006) Metamorphism and Chromite in Serpentinized and Carbonate-Silica-Altered Peridotites of the Paleoproterozoic Outokumpu-Jormua Ophiolite Belt, eastern Finland. International Geology Review, 48 (6) 494-546 doi:10.2747/0020-6814.48.6.494 | Journal (article/letter/editorial) | | http://www.tandfonline.com/loi/tigr20 Metamorphism and Chromite in Serpentinized and CarbonateSilica-Altered Peridotites...Johanson & Lassi Pakkanen (2006) Metamorphism and Chromite in Serpentinized and Carbonate-SilicaAltered Peridotites...Son, Inc. All rights reserved. Metamorphism and Chromite in Serpentinized and Carbonate-Silica–Altered...metamorphism, were converted to the distinctive chromite-bearing carbonate-skarn-quartz rocks comprising...rocks are intimately associated with the Outokumpu Cu-Co-Zn-Ni deposits and have generally been regarded as |  | González-Jiménez, J.M., Proenza, J.A., Gervilla, F., Melgarejo, J.C., Blanco-Moreno, J.A., Ruiz-Sánchez, R., Griffin, W.L. (2011) High-Cr and high-Al chromitites from the Sagua de Tánamo district, Mayarí-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) | | mining districts, according to the composition of chromite in the chromitite: (1) the Mayarí district (high-Cr);...textures. Some grains of chromian spinel show rims of ferrian chromian spinel of variable thickness which are...chromian spinel shows either no, or very thin, ferrian chromite alteration rims. The latter are exclusively...and only some grains exhibit narrow rims of ferrian chromite associated with fractures penetrating the...standards. The standards used for chromite and silicate analyses were chromite (for Cr, Al and Fe), periclase |  | Uysal, I., Sadiklar, M. B., Tarkian, M., Karsli, O., Aydin, F. (2005) Mineralogy and composition of the chromitites and their platinum-group minerals from Ortaca (Mu?la-SW Turkey): evidence for ophiolitic chromitite genesis. Mineralogy and Petrology, 83 (3) 219-242 doi:10.1007/s00710-004-0063-3 | Journal (article/letter/editorial) | | Peridotite from Ortaca (Mugla, SW Turkey). The chromite ore bodies are surrounded by dunite envelopes...and arsenides (BM-As) are found as inclusions in chromite or in the serpentine matrix. Platinum-group element...hydrous silicate mineral inclusions in chromite imply that chromite crystallized in a supra-subduction setting...Nicolas, 1989) were proposed for their formation. Chromite compositions are generally believed to be an indicator...agree that the origin of PGM inclusions in the chromite of chromitites is primary. In addition, PGMs are |  | Peighambari, Sima, Uysal, Ibrahim, Stosch, Heinz-Günter, Ahmadipour, Hamid, Heidarian, Hassan (2016) Genesis and tectonic setting of ophiolitic chromitites from the Dehsheikh ultramafic complex (Kerman, southeastern Iran): Inferences from platinum-group elements and chromite compositions. Ore Geology Reviews, 74. 39-51 doi:10.1016/j.oregeorev.2015.10.032 | Journal (article/letter/editorial) | | Iran): Inferences from platinum-group elements and chromite compositions Sima Peighambari a,⁎, Ibrahim Uysal...November 2015 Keywords: Platinum-group elements Chromite Podiform chromitite Ophiolite Dehsheikh Iran ...The presence of Na-rich amphibole inclusions in chromite grains, together with the mineralogical and chemical...not completely understood. The composition of chromite minerals depends mostly on the degree of partial...2012; Dick and Bullen, 1984; Ghosh et al., 2013). Chromite chemical composition is often indicative of the |  | González-Jiménez, José María, Barra, Fernando, Walker, Richard J., Reich, Martin, Gervilla, Fernando (2014) Geodynamic implications of ophiolitic chromitites in the La Cabaña ultramafic bodies, Central Chile. International Geology Review, 56 (12) 1466-1483 doi:10.1080/00206814.2014.947334 | Journal (article/letter/editorial) | | accepted 18 July 2014) Chromitites (>80% volume chromite) hosted in two ultramafic bodies (Lavanderos and...Coastal Cordillera were studied in terms of their chromite composition, platinumgroup element (PGE) abundances...abundances, and Re-Os isotopic systematics. Primary chromite (Cr# = 0.64–0.66; Mg# = 48.71– 51.81) is only...inclusions of platinum-group minerals (PGM) in chromite, indicating crystallization from S-undersaturated...geochemical features are interpreted in terms of chromite crystallization in dunite channels beneath a spreading |  | Kapsiotis, A., Grammatikopoulos, T. A., Tsikouras, B., Hatzipanagiotou, K., Zaccarini, F., Garuti, G. (2009) CHROMIAN SPINEL COMPOSITION AND PLATINUM-GROUP ELEMENT MINERALOGY OF CHROMITITES FROM THE MILIA AREA, PINDOS OPHIOLITE COMPLEX, GREECE. The Canadian Mineralogist, 47 (5) 1037-1056 doi:10.3749/canmin.47.5.1037 | Journal (article/letter/editorial) | | understand the metallogenic factors that controlled chromite and PGM genesis throughout the Pindos ophiolite...between the types of PGM assemblages hosted in each chromite deposit. The high-Cr chromitites are dominated...are completely altered. Rims of ferrian chromite and decolorized chromite, as alteration products of chromian...Fe3+# [Fe3+/(Fe3+ + Cr3+ + Al3+)] than the ferrian chromite in the rim. In the second case, chromian spinel... but constant Mg# with respect to decolorized chromite. Accessory base-metal sulfides (BMS) and base-metal |  | | Journal (article/letter/editorial) | | presented for hydrothermal modification/formation chromite/chromitite in the mantle, which is a classical...create chromite-oversaturated magma. The incompatible-element-rich magma trapped by the chromite mainly...Moderately depleted harzburgites, which contain chromite with a moderate Cr# (0.4-0.6) and a small amount...hydrothermal fluids can dissolve and precipitate chromite, and hydrothermal chromitites (chromitites precipitated...chromitite, Mantle, Harzburgite-melt reaction, Chromite-oversaturated magma, UHP (ultrahigh-pressure) |  | Ismail, Sabah A., Kettanah, Yawooz A., Chalabi, Sawsan N., Ahmed, Ahmed H., Arai, Shoji (2014) Petrogenesis and PGE distribution in the Al- and Cr-rich chromitites of the Qalander ophiolite, northeastern Iraq: Implications for the tectonic environment of the Iraqi Zagros Suture Zone. Lithos, 202. 21-36 doi:10.1016/j.lithos.2014.05.013 | Journal (article/letter/editorial) | | Qalander ophiolite. The matrix minerals between chromite grains are serpentinized olivine and pyroxene... . . . . . . . . . . . . . . . . . . . . 6.1. Chromite mineral chemistry . . . . . . . . . . . . . ..... . . 6.3. Mineral chemistry of inclusions in chromite . . . . . . . . . 6.4. Whole-rock major and trace...dunite. The massive chromitites contain N90% modal chromite (Fig. 4a) and form small, isolated ellipsoidal...euhedral, medium to coarse-grained aggregates of chromite (up to 1 mm)(Fig. 4e, f) traversed by veinlets |  | 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) | | northwestern part of continental Greece, hosts various chromite deposits of both metallurgical (high-Cr) and refractory...are the predominant PGM species in alpine-type chromite ores (e.g. Augé 1985; Augé and Johan 1988; Tarkian...al. (2007). In a comparative study of high-Cr chromite deposits from the Pindos complex, it was shown...generally display schlieren texture, in which the chromite layers are massive (more than 70 vol.% chromian...Chromian spinel displays marginal decolorization. Ferrian chromite, as an alteration product of chromian spinel |
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