 | | Journal (article/letter/editorial) | | history: The Pacific-derived Santa Elena ophiolite, northwest Costa Rica Javier Escuder-Viruete, Peter...history: The PaciïŹc-derived Santa Elena ophiolite, northwest Costa Rica, LITHOS (2015), doi: 10.1016/j...history: the Pacific-derived Santa Elena ophiolite, northwest Costa Rica SC R IP T Javier Escuder-Viruete...NU a Abstract MA The Santa Elena ophiolite (SEO) is an ultramafic nappe of more than 270 km2 overlying...tectonic serpentinite-matrix mĂ©lange in northwest Costa Rica. It is mainly composed of Cpx-rich and Cpx- |  | | Journal (article/letter/editorial) | | complexes: A case study of the Nicoya and Santa Elena terranes, Costa Rica Scott A. Whattam, Esteban Gazel...complexes: A case study of the Nicoya and Santa Elena terranes, Costa Rica, LITHOS (2016), doi: 10.1016/j...complexes: A case study of the Nicoya and Santa Elena terranes, Costa Rica RI Scott A. Whattam1*, Esteban... Universidad de Costa Rica, AC CE P TE D P.O. Box 214-2060, San JosĂ© Costa Rica. E-mail: pdenyer@geologia...within the contrasting Santa Elena Ophiolite and the Nicoya Complex, NW Costa Rica, to investigate the origin |  | Escuder-Viruete, Javier, AndjiÄ, Goran, Baumgartner-Mora, Claudia, Baumgartner, Peter O., Castillo-CarriĂłn, Mercedes, Gabites, Janet (2019) Origin and geodynamic significance of the Siuna Serpentinite MĂ©lange, Northeast Nicaragua: Insights from the large-scale structure, petrology and geochemistry of the ultramafic blocks. Lithos, 340. 1-19 doi:10.1016/j.lithos.2019.05.002 | Journal (article/letter/editorial) | | structure, petrology and geochemistry of the ultramafic blocks Javier Escuder-Viruete, Goran AndjiÄ...structure, petrology and geochemistry of the ultramafic blocks, LITHOS, https://doi.org/10.1016/j.lithos...structure, petrology and geochemistry of the ultramafic blocks Javier Escuder-Viruetea,* j.escuder@igme...bulk rock geochemical data for representative ultramafic rocks preserved as blocks in the SSM. Structurally...high-pressure (P) conditions. There are also blocks of ultramafic rocks, which consist mainly of harzburgite and |  | Cai, Pengjie, Yang, Jingsui, Lian, Dongyang, Wu, Weiwei, Yang, Yu, Rui, Huichao (2022) Knowledge Structure and Frontier Evolution of Research on Chromitite: A Scientometric Review. Minerals, 12 (10) 1211 doi:10.3390/min12101211 | Journal (article/letter/editorial) | | chromite deposits originate from layered maficâultramafic complexes in ancient Precambrian cratons with...usually form a group of rhythmic layers with upper peridotite and pyroxenite [21,22]. Podiform chromite deposits...element mineralization in the Santa Elena Ultramafic Nappe in Costa Rica (27 citations, published in âGeologica...32 2010 Nappe in Costa Iran Rica (27 num group element mineralization in the0.07 Santa Elena Ultramafic...Luobusa chromitite, which indicate mantle podiform peridotite under resulting in the formation of massive disseminated |  | | Journal (article/letter/editorial) | | Article Petrogenetic Implications for Ophiolite Ultramafic Bodies from Lokris and Beotia (Central Greece)...Published: 3 March 2017 Abstract: Cr-spinels from ultramafic rocks from Lokris (Megaplatanos and Tragana)...evolution of the host peridotites. Keywords: peridotite; harzburgite; lherzolite; dunite; chromite; mantle...serves as an important petrogenetic indicator for ultramafic and related rocks [1]. Since the chemical composition...with variable degrees, crystallization via meltâperidotite interaction) and physical conditions (pressure |  | ISHWAR-KUMAR, C., RAJESH, V.J., WINDLEY, B.F., RAZAKAMANANA, T., ITAYA, T., BABU, E.V.S.S.K., SAJEEV, K. (2018) Chromite chemistry as an indicator of petrogenesis and tectonic setting of the Ranomena ultramafic complex in north-eastern Madagascar. Geological Magazine, 155 (1) 109-118 doi:10.1017/s0016756816000972 | Journal (article/letter/editorial) | | petrogenesis and tectonic setting of the Ranomena ultramafic complex in north-eastern Madagascar C . I S H...accepted 20 September 2016) Abstract â The Ranomena ultramafic complex in NE Madagascar consists of layered...clinopyroxenite, garnet websterite and chromitite-layered peridotite. This study of the Ranomena chromite chemistry...setting. Keywords: Chromite, chromitite, Ranomena ultramafic complex, Betsimisaraka suture, NE Madagascar...commonly occurs as an accessory phase in mafic-ultramafic rocks and as the major mineral in chromitite |  | Ruan, Banxiao, Yu, Yingmin, Lv, Xinbiao, Feng, Jing, Wei, Wei, Wu, Chunming, Wang, Heng (2017) Occurrence and mineral chemistry of chromite and related silicates from the Hongshishan mafic-ultramafic complex, NW China with petrogenetic implications. Mineralogy and Petrology, 111 (5) 693-708 doi:10.1007/s00710-016-0480-0 | Journal (article/letter/editorial) | | related silicates from the Hongshishan mafic-ultramafic complex, NW China with petrogenetic implications...are responsible for the emplacement of mafic-ultramafic complexes in the Beishan Terrane. The cores of...complex . Beishan Abstract The Hongshishan mafic-ultramafic complex is located in the western Beishan Terrane...of the first phases to crystallize from mafic-ultramafic magmas, of which the trivalent ions (Cr3+, Al3+)...is an effective indicator of the evolution of ultramafic rocks. Many studies have shown that primary chromite |  | Palomares, R. M., Hernandez, R. L., Menor, L. O., Garcia, R. P., Perez, S. M., Linares, F. G. (2013) HYDROTHERMAL PALLADIUM ENRICHMENT IN PODIFORM CHROMITITES OF CALZADILLA DE LOS BARROS (SW IBERIAN PENINSULA) The Canadian Mineralogist, 51 (3) 387-404 doi:10.3749/canmin.51.3.387 | Journal (article/letter/editorial) | | 18002, Granada, Spain Abstract The serpentinized peridotite massifs of Calzadilla de los Barros (Ossa-Morena...Minor discordant clinopyroxenite veins cut the peridotite massifs. The chromitites show total transformation...chromitites. Geological setting The serpentinized peridotite massifs of Calzadilla de los Barros (Iberian...ores (Tornos et al. 2005). The serpentinized peridotite massifs of Calzadilla de los Barros consist of...serpentinite bodies (Fig. 1c). The serpentinized peridotite massifs underlie the HYDROTHERMAL PALLADIUM |  | 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) | | chromitite ore geochemistry within the Vourinos ultramafic sequence, Vourinos Ophiolite (West Macedonia...chromitite ore geochemistry within the Vourinos ultramafic sequence, Vourinos Ophiolite (West Macedonia...chromitite ore geochemistry within the Vourinos ultramafic sequence, Vourinos Ophiolite (West Macedonia...The main process generating chromitites is melt-peridotite interaction within mantle rocks (Gonzalez-Jimenez...2009). The boundary between mantle rocks and ultramafic cumulates (dunite, wehrlite and pyroxenite cumulates) |  | | Journal (article/letter/editorial) | | Keywords: Podiform chromitites; Inclusions; Meltâperidotite interaction; Sartohay 33 1. Introduction 34...2018), and hence can be used to track the meltâperidotite 38 interaction in the upper mantle (Barnes...high-Ti) within separated massifs or a single ultramafic massif makes their 47 formation processes and...chromitite varieties outcropping within 90 the same ultramafic massif provide an ideal window to indicate the...fault (Fig. 2a). The ophiolite consists mainly of ultramafic rocks, podiform 123 chromitites, cumulates |  | Mohanty, Niranjan, Singh, Surya Pratap, Satyanarayanan, Manavalan, Jayananda, Mudlappa, Korakoppa, Madiwalappa Mallappa, Hiloidari, Sikha (2019) Chromian spinel compositions from Madawara ultramafics, Bundelkhand Craton: Implications on petrogenesis and tectonic evolution of the southern part of Bundelkhand Craton, Central India. Geological Journal, 54 (4) 2099-2123 doi:10.1002/gj.3286 | Journal (article/letter/editorial) | | University of Hyderabad, Hyderabad, India Madawara ultramafic complex (MUC) in the southern part of Bundelkhand...Bundelkhand Craton, Central India comprises peridotite, olivine pyroxenite, pyroxenite, gabbro, and diorite...rare orthopyroxene (Opx) are common minerals in peridotite. Chromites are usually coarseâgrained euhedral...region common ubiquitous accessory phase in many ultramaficâmafic rocks (Arai, 1980; Barnes & Roeder, 2001;...Geological map of MUC showing distribution of ultramaficâmafic rocks along with other lithological units |  | | Journal (article/letter/editorial) | | islands, (South Kalimantan ProvinceâTanah Ambungan; South Sulawesi ProvinceâBaru; PapuaâJayapura) chromites...SulawesiâBungku). Kalimantan ProvinceâTanah Ambungan; Central South Sulawesi ProvinceâBaru; PapuaâJayapura)...chromium used in steelmaking and in with large, ultramafic stratiform-type intrusions Bushveld Africa [17...podiform-type ophiolite associated with large, ultramafic layered intrusions Bushveld Africa sequences:...forming pods and lenses inside the mafic and ultramafic sequences:LuzonâPhilippines Massif of BulqizaâAlbany |  | 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) | | 2O4] is a common mineral in a variety of mafic-ultramafic rocks. Its unique AC physicochemical properties...west (Fig. 2a). A WNW-trending suite of mafic-ultramafic rocks comprising the MOC includes plagiogranite...al., 2016; Peng et al., 2012). Serpentinised ultramafic rocks mainly TE D crop out in the central...about 13 km long and 1-2 km wide (Fig. 2a). The ultramafic rocks are bounded CE P by layered gabbros and...the north (Fig. 2b). Both the AC mafic and ultramafic rocks have undergone strong ductile and brittle |  | Xiong, Qing, Henry, Hadrien, Griffin, William L., Zheng, Jian-Ping, Satsukawa, Takako, Pearson, Norman J., OâReilly, Suzanne Y. (2017) High- and low-Cr chromitite and dunite in a Tibetan ophiolite: evolution from mature subduction system to incipient forearc in the Neo-Tethyan Ocean. Contributions to Mineralogy and Petrology, 172 (6) doi:10.1007/s00410-017-1364-y | Journal (article/letter/editorial) | | Compositions and microstructures of chromitites · Meltâperidotite interaction · Subduction episodes in Neo-Tethyan...used to track tectonic environments and meltâperidotite (including meltâ melt) interaction in the upper...relationships between chromitite and enclosing peridotite can provide clearer insights into the genesis...and the harzburgite (Harz) domain of the Zedang ultramafic body, defined by Xiong et al. (2017b). Yellow...defined by our systematic examination of the Zedang ultramafic body (Xiong et al. 2016, 2017b). The aims here |  | | Journal (article/letter/editorial) | | region, i.e., the Cyclops ophiolite [5], Papuan Ultramafic Belt [6,7], Seram-Ambon ophiolite [8] and ophiolites...Department of Mineral and Energy Resources in the Papua Province selected six geological provinces with high deposit...Southern Papua and Fafak. The Jayapura geological province contains the CuâZnâPbâFeâCrâCoâNiâAu mineralization...diagram (Figure 11A) indicates the high level of peridotite depletion in the initial melt. It is composition...initial proved by [5], who established the level of peridotite depletion using REE and trace elements. high-Cr |  | | Journal (article/letter/editorial) | | metamorphic slice above the mĂ©lange, and a peridotite nappe at the top that hosts the KızılyĂŒksek chromitites...cut by isolated diabase dykes; continues with ultramafic cumulates of IP T dunite and pyroxenite and...around the chromitites as a result of the melt-peridotite interaction. The rock-melt interaction is another...1994. Podiform Chromitites of the TariâMisaka Ultramafic Complex, Southwestern Japan, as Mantleâmelt Interaction... Leblanc, M., 1988. PGE distribution in some ultramafic rocks and minerals from the Bou Azzer ophiolitic |  | | Journal (article/letter/editorial) | | Arctic Circle (Fig. 1). It is one of many maficâultramafic layered intrusions within the Baltic (Fennoscandian)...can be distinguished in the floor sequence: a Peridotite Zone (dunite, harzburgite and chromitite), a...chromitite have never been reported in maficâultramafic layered intrusions previously. It was therefore...dykes) cross-cutting cumulate rocks in the lower, ultramafic part of the Monchegorsk Layered Intrusion (MLI)...of the massif that exposes the most primitive ultramafic cumulates (Smolkin et al., 2004a) (Figs 1 and |
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