| Li, Hai, Li, Yongjun, Yang, Gaoxue, Wang, Zuopeng, Ren, Pengfei, Chang, Haoying (2020) Geochronology, geochemistry, and Hf isotopes of mafic rocks from Dalabute ophiolitic mélange in West Junggar, Xinjiang (NW China): Implications for the magmatic source and tectonic setting. Geological Journal, 55 (3) 2342-2362 doi:10.1002/gj.3777 | Journal (article/letter/editorial) | Dalabute ophiolitic mélange in West Junggar, Xinjiang (NW China): Implications for the magmatic source and...Science and Resources, Chang'an University, Xi'an, China 2 Key Laboratory for the study of Focused Magmatism...Xi'an, China Several Palaeozoic ophiolitic mélanges distributed in the West Junggar, Xinjiang, are remnants...and Resources, Chang'an University, Xi'an 710054, China. Email: yongjunl@chd.edu.cn chemistry, and Hf isotope...“National Key Research and Development Plan of China”_“Study on the Distribution Rule of Tianshan-Altai | | Yang, Gaoxue, Li, Yongjun, Gu, Pingyang, Yang, Baokai, Tong, Lili, Zhang, Hongwei (2012) Geochronological and geochemical study of the Darbut Ophiolitic Complex in the West Junggar (NW China): Implications for petrogenesis and tectonic evolution. Gondwana Research, 21 (4) 1037-1049 doi:10.1016/j.gr.2011.07.029 | Journal (article/letter/editorial) | Darbut Ophiolitic Complex in the West Junggar (NW China): Implications for petrogenesis and tectonic evolution...710054, China School of Earth Science & Resources, Chang'an University, Xi'an 710054, China Xi'an Institute...Mineral Resources, Xi'an 710054, China d No. 7 Geological Survey Team, Xinjiang Bureau of Geology and Mineral...Mineral Resource Exploration, Wusu 833000, China b c a r t i c l e i n f o Article history: Received 28...the Sartuohai–Suluqiaoke area which is situated in the eastern part of the West Junggar (NW China), Southern | | Xie, Hong-Jing, Wang, Yu-Wang, Guo, Bo-Ran, Shi, Yu, Zhou, Guo-Chao (2019) Characteristics and petrogenesis of the “Pale Microgranular Masses” in ophiolite-type chromitites in northern Xinjiang. Ore Geology Reviews, 115. 103168 doi:10.1016/j.oregeorev.2019.103168 | Journal (article/letter/editorial) | Masses” in ophiolite-type chromitites in northern Xinjiang Hong-Jing Xie, Yu-Wang Wang, Bo-Ran Guo, Yu Shi...Masses” in ophiolite-type chromitites in northern Xinjiang, Ore Geology Reviews (2019), doi: https://doi...Masses” in ophiolite-type chromitites in northern Xinjiang Hong-Jing Xie a, b, Yu-Wang Wang a, b*, Bo-Ran...100012, China b Beijing c School Institute of Geology for Mineral Resources, Beijing 100012, China of Earth...Sciences and Resources, China University of Geosciences, Beijing 100083, China Abstract Massive “Pale | | 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...millerite–godlevskite–irarsite-dominated assemblage in the Sartohay chromitites suggests a complex evolutionary path | | Peng, Weigang, Zhang, Lifei, Menzel, Manuel D., Vitale Brovarone, Alberto, Tumiati, Simone, Shen, Tingting, Hu, Han (2020) Multistage CO2 sequestration in the subduction zone: Insights from exhumed carbonated serpentinites, SW Tianshan UHP belt, China. Geochimica et Cosmochimica Acta, 270. 218-243 doi:10.1016/j.gca.2019.11.025 | Journal (article/letter/editorial) | carbonated serpentinites, SW Tianshan UHP belt, China Weigang Peng, Lifei Zhang, Manuel D. Menzel, Alberto...carbonated serpentinites, SW Tianshan UHP belt, China, Geochimica et Cosmochimica Acta (2019), doi: https://doi...carbonated serpentinites, SW Tianshan UHP belt, China Weigang Peng a,b, Lifei Zhang a*, Manuel D. Menzel...Space Sciences, Peking University, Beijing 100871, China b Dipartimento di Scienze della Terra, Università...Academy of Geological Sciences, Beijing 100037, China *Corresponding author Lifei Zhang; E-mail:lfzhang@pku | | 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) | chlorite and amphibole, and a late generation of chrysotile and carbonate veins cross-cut all of the described...drainage network. In photographs (b) and (c), late chrysotile (Ctl) veins disrupt the continuity of the chromitite...(Figure 3a and b). Frequently, late veins of chrysotile transgress the chromitite veins, disrupting their...2006); Mugla, Turkey (Uysal et al. 2009); and Sartohay, China (Shi et al. 2012). The plot (b) includes data... doi:10.1130/0016-7606(1997)109<0869: GEATTO>2.3.CO;2. Bahlburg, H., Moya, C., and Zeil, W., 1994, Geodynamic | | | Journal (article/letter/editorial) | minerals thriving in Ophicalcites (lizardite, chrysotile) and talc, diopside and chromite accompanying...Encircling such minerals as olivine and lizardite/chrysotile determined by mineralogical examinations, calcite...pyroxene) creating lizardite, antigorite and/or chrysotile minerals and it is an exo thermic reaction....NBr 3 NSp 13 NSp 4 NOf 5 NSpHz 3 L10 12 L11 45 Be Co Cs Ga Hf Nb Rb Sn Sr Ta Th Zr Y <1 4...minerals of ophicalcites are serpentine (lizardite, chrysotile), brucite, dolomite, quartz and GEOCHEMISTRY | | | Journal (article/letter/editorial) | end-members forsterite and fayalite), serpentine (chrysotile–greenalite), brucite (brucite–Fe-brucite), talc...metamorphic rocks, serpentine is in most cases chrysotile or lizardite, whereas antigorite is common in...properties of chrysotile and lizardite are trivial (cf. Wilson et al., 2006). We chose chrysotile to represent...suppressed the formation antigorite (in favor of chrysotile), saponite and nontronite, as well as the reduction...used to calculate the serpentine field are from chrysotile. The solubility of quartz (blue line) is calculated | | Boskabadi, Arman, Pitcairn, Iain K., Broman, Curt, Boyce, Adrian, Teagle, Damon A. H., Cooper, Matthew J., Azer, Mokhles K., Stern, Robert J., Mohamed, Fathy H., Majka, Jaroslaw (2017) Carbonate alteration of ophiolitic rocks in the Arabian–Nubian Shield of Egypt: sources and compositions of the carbonating fluid and implications for the formation of Au deposits. International Geology Review, 59 (4) 391-419 doi:10.1080/00206814.2016.1227281 | Journal (article/letter/editorial) | more times during this sequence. The Fawakhir Au mine (Au = 1.5–29.7 g/ton; Hussein 1990) occurs in the...developed macroscopic mesh texture and cross-cutting chrysotile veinlets in hand specimen scale (Figure 3(a,b))...from locality B are softer and do not show the chrysotile veinlets seen at locality A. These rocks are...CaO Na2O K2O TiO2 P2O5 L.O.I. Total Sc (ppm) V Cr Co Ni Rb Sr Y Nb Sb As S Au (ppb) Au** Li Cs Ba La Ce...Lz-serpentinite from locality A with visible chrysotile veinlets. (b) Lz-serpentinite exposures in locality | | Menzel, Manuel D., Garrido, Carlos J., López Sánchez-Vizcaíno, Vicente, Marchesi, Claudio, Hidas, Károly, Escayola, Monica P., Delgado Huertas, Antonio (2018) Carbonation of mantle peridotite by CO2-rich fluids: the formation of listvenites in the Advocate ophiolite complex (Newfoundland, Canada) Lithos, 323. 238-261 doi:10.1016/j.lithos.2018.06.001 | Journal (article/letter/editorial) | network of serpentine veins IP —mostly fibrous chrysotile— wrapping around more competent, lenticular serpentinite...(Fig. 2b). Different generations of lizardite, chrysotile and antigorite veins, and rare magnetite US...4h). The lizardite mesh is crosscut by abundant chrysotile veins, and younger, fine-grained antigorite veins...veins that locally offset the chrysotile veins (Fig. 4h). Cr-spinel, PT carbonate, and magnetite are...Service (Canada). Major elements (ISO-accredited) and Co, Cu, Cr, Ni, V, and Zn were measured by X-ray fluorescence | | Boskabadi, Arman, Pitcairn, Iain K., Leybourne, Matthew I., Teagle, Damon A.H., Cooper, Matthew J., Hadizadeh, Hossein, Nasiri Bezenjani, Rasoul, Monazzami Bagherzadeh, Reza (2020) Carbonation of ophiolitic ultramafic rocks: Listvenite formation in the Late Cretaceous ophiolites of eastern Iran. Lithos, 352. 105307 doi:10.1016/j.lithos.2019.105307 | Journal (article/letter/editorial) | Scientific. Repeat analysis of re NBS18, IAEA-CO-1 and IAEA-CO-8 standards and two controls gave standard...ranging from a δ18O VPDB value of -2.44 ‰ ur (IAEA-CO-1; Brand et al., 2014) to a δ18O VPDB value of -23... In addition to lizardite and bastite, minor chrysotile is also present. Minor -p antigorite is present...to coarse-grained with ubiquitous lizardite ± chrysotile and/or antigorite but lack relicts of primary...parts with traces of magnesite (Fig. 6e). Late chrysotile -p veins are common crosscutting other serpentine | | 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) | content of minor and trace elements (Ga, Ti, Ni, Zn, Co, Mn, V, Sc) in the cores of partly altered chromite...while the cores of zoned chromite are enriched in Zn, Co and Mn but depleted in Ga, Ti, Ni and Sc, and display...the replacement of primary olivine to lizardite/chrysotile, and pyroxene to bastite. During the second stage...the retrogression of antigorite to lizardite/chrysotile between 250 and 350 ºC, at ~ 2 kbar. González-Mancera...contents of Mn (890–1174 ppm), Zn (341–610 ppm), and Co (175–212 ppm) than their surrounding rims of porous | | | Journal (article/letter/editorial) | access to primary mineral surfaces (Fig. 2a). Fine chrysotile fibers, <1 to 20 µm in length, are observed to...secondary 10 minerals are composed of lizardite + chrysotile + magnetite ± dolomite. Dolomite occurs as subhedral...Orthopyroxene is chiefly replaced by lizardite and minor chrysotile. The pseudomorphic products typically appear...direction of cleavage traces in clinopyroxene. Chrysotile fibers are observed to coat the surface of Cr-spinel...graphite, formation of reduced carbon intermediaries (CO, formate, formaldehyde, methanol), formation of siderite | | | Journal (article/letter/editorial) | consists mainly of antigorite with lesser amounts of chrysotile, lizardite, magnesite, talc, chlorite, brucite...antigorite is intergrown with magnesite (Fig. 4c). The chrysotile long fibers form veinlets cross-cutting the antigorite...concentrations of Cr (1519–2814 ppm), Ni (1718–2274 ppm), and Co (96–120 ppm) and low concentrations of K2O (<0.02...elements Cr (2147–2765 ppm), Ni (1244–2021 ppm), and Co (51–78 ppm) than the Type II listwaenites (598–1256...(598–1256 ppm Cr, 897–1213 ppm Ni, and 28–63 ppm Co). Several trace elements (V, Ta, Nb, Th, and Cs) show no | | 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) | Mercedita Mine. Mayarí‐Baracoa Ophiolitic Belt (MBOB) showing the location of the Mercedita Mine. 2.1....lizardite is the main phase. However, in some samples chrysotile and antigorite were also recognized [50]. The...microprobe analyses of chromite from the Mercedita mine. Sample TiO2 (wt %) Al2 O3 V2 O3 Cr2 O3 Fe2 O3 *...Si Native Ni, Co, Ce, Fe, Cr, Zn, PGE Iron-Wustite (Fe-FeO) Alloys (Fe-Mn, Fe-Cr, Fe-Co) Alm garnet Andalusite...at the high temperatures proposed by Ballhaus and co-workers. Moreover, this model cannot explain the | | 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) | grade metamorphism represented by veins of talc + chrysotile related to shearing and fluid circulation (M4)...single body, Ume Pay, was about 50,000 tons. The old mine data indicate that the chromitite bodies rarely...Group Elements and Transition Metal (Ti, Cr, Mn, Fe, Co, Ni) compounds in the supergene domain. Chronique...evolution in the Sartohay high-Al chromite deposits of the Salabute ophiolite (NW China). Journal of Asian | | 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) | in the chromitites are pervasively altered to chrysotile, lizardite or chlorite (Fig. 4b, c). These bodies...high-Al chromitite. Olivine is transformed to chrysotile–lizardite–magnetite or chlorite assemblage giving...N-Shitna area. The serpentine minerals are mainly chrysotile– lizardite with high-Mg (Mg# ~ 98). Chlorite...within or below detection limits, except for Sc, V, Co, Ni, Zn, Sr, Ba, Pb, S, As and Br which show variable... 1958. The geology of the Rania area. Site. Inv. Co. Report, No. 271. SOM Library, Baghdad, Iraq. Bowles | | 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 | | | Journal (article/letter/editorial) | Engineering, Sun Yat-sen University, Guangzhou, China Chromitites, associated with upper mantle spinel...Engineering, Sun Yat-sen University, Guangzhou 510275, China. E-mail: kapsiotisa@yahoo.gr; kapsiotis@mail.sysu...%. Serpentine has a composition equivalent to chrysotile and lizardite (Fig. 5a), although minor antigorite...within curved chromitite layers at the Xerolivado mine, whereas thin magnesiochromite stringers were documented...chromitites. Compositional fields for antigorite, chrysotile and lizardite are from Singh and Singh (2013) | | 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) | rocks are intimately associated with the Outokumpu Cu-Co-Zn-Ni deposits and have generally been regarded as...serpentinites (± talc-carbonate rocks) or lizardite-chrysotile serpentinites. Their chemical compositions correspond...known for hosting several economically important Cu-Co-Zn sulfide deposits (Gaál and Parkkinen, 1993). The...variety is antigorite in the NNE, but lizardite-chrysotile in the SSW. Haapala (1936) assumed that autometamorphic...ferromagnesian minerals to the mesh-textured chrysotile, which subsequently recrystallized to antigorite | | Kelemen, Peter B., Matter, Juerg, Streit, Elisabeth E., Rudge, John F., Curry, William B., Blusztajn, Jerzy (2011) Rates and Mechanisms of Mineral Carbonation in Peridotite: Natural Processes and Recipes for Enhanced, in situ CO2Capture and Storage. Annual Review of Earth and Planetary Sciences, 39. 545-576 doi:10.1146/annurev-earth-092010-152509 | Journal (article/letter/editorial) | (bru), olivine (ol), the serpentine polymorph chrysotile (serp), talc (tc), quartz (qtz), and magnesite...deposits Northwest Canada (carbonates in serpentinite mine tailings) 0 0 –5 –5 δ13C VPDB δ13C VPDB 5...carbonation rates of ∼10−10 s−1 in serpentinite mine tailings in Canada. This rapid rate, compared with...the fine-grained, fibrous nature of the serpentinite mine tailings. For additional discussion, please see...2004. The serpentinite multisystem revisited: Chrysotile is metastable. Int. Geol. Rev. 46:479–506 Evans | | | Journal (article/letter/editorial) | suite of minor and trace elements (Sc, Ti, V, Mn, Co, Ni, Zn, and Ga) in chromites from podiform chromitites...coefficients for minor and trace elements (Sc, Ti, V, Mn, Co, Ni, Zn, and Ga) in chromite calculated from the...major, minor, and trace elements (Sc, Ti, V, Mn, Co, Ni, Zn, and Ga) in chromites from podiform chromitites...coefficients for minor and trace elements (Sc, Ti, V, Mn, Co, Ni, Zn, and Ga) between chromite and lavas (boninites...suite of minor and trace elements (Sc, Ti, V, Mn, Co, Ni, Zn, 997 Submitted: July 16, 2009 Accepted: | | | Journal (article/letter/editorial) | suite of minor and trace elements (Sc, Ti, V, Mn, Co, Ni, Zn, and Ga) in chromites from podiform chromitites...coefficients for minor and trace elements (Sc, Ti, V, Mn, Co, Ni, Zn, and Ga) in chromite calculated from the...major, minor, and trace elements (Sc, Ti, V, Mn, Co, Ni, Zn, and Ga) in chromites from podiform chromitites...coefficients for minor and trace elements (Sc, Ti, V, Mn, Co, Ni, Zn, and Ga) between chromite and lavas (boninites...suite of minor and trace elements (Sc, Ti, V, Mn, Co, Ni, Zn, 997 Submitted: July 16, 2009 Accepted: |
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