 | Chikanda, Frances, Otake, Tsubasa, Ohtomo, Yoko, Ito, Akane, Yokoyama, Takaomi D., Sato, Tsutomu (2019) Magmatic-Hydrothermal Processes Associated with Rare Earth Element Enrichment in the Kangankunde Carbonatite Complex, Malawi. Minerals, 9 (7) 442 doi:10.3390/min9070442 | Journal (article/letter/editorial) | | Earth Element Enrichment in the Kangankunde Carbonatite Complex, Malawi Frances Chikanda 1, * , Tsubasa...petrographic, and multi-isotope study on the Kangankunde carbonatite, the largest light REE resource in the...the Chilwa Alkaline Province in Malawi, clarifies the critical stages of REE mineralization in this deposit...deposit. The δ56 Fe values of most of the carbonatite lies within the magmatic field despite variations...Exsolution of a hydrothermal fluid from the carbonatite melts is evident based on the higher δ56 Fe of |  | Broom-Fendley, Sam, Wall, Frances, Spiro, Baruch, Ullmann, Clemens V. (2017) Deducing the source and composition of rare earth mineralising fluids in carbonatites: insights from isotopic (C, O, 87Sr/86Sr) data from Kangankunde, Malawi. Contributions to Mineralogy and Petrology, 172 (11) doi:10.1007/s00410-017-1412-7 | Journal (article/letter/editorial) | | from isotopic (C, O, 87Sr/86Sr) data from Kangankunde, Malawi Sam Broom‑Fendley1 · Frances Wall1,2,3 ·...element compositions for the REE-rich Kangankunde carbonatite (Malawi), we show that the commonly observed...observed, dark brown, Fe-rich carbonatite that hosts REE minerals in many carbonatites is decoupled from the...REE2O3, comprise assemblages of monazite-(Ce), strontianite and baryte forming hexagonal pseudomorphs after...fluids. Carbon and oxygen isotope ratios of strontianite, representing the REE mineral assemblage, indicate |  | Kozlov, Evgeniy, Fomina, Ekaterina, Sidorov, Mikhail, Shilovskikh, Vladimir, Bocharov, Vladimir, Chernyavsky, Alexey, Huber, Miłosz (2020) The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy and Geochemistry. Minerals, 10 (1) 73 doi:10.3390/min10010073 | Journal (article/letter/editorial) | | minerals Article The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy...Vuoriyarvi Devonian carbonatite–ijolite–pyroxenite–olivinite complex comprises several carbonatite fields: Neske...a lesser extent, strontianite, bastnäsite, and synchysite. Varieties of carbonatite that contain the...quartz-bastnäsite matrixes were formed. Simultaneously, strontianite, quartz, calcite, monazite, HREE-rich thorite...[12–17], China India [39–42], Italy have [43,44], Malawi [45–51], on the subjectNamibia of rare earth carbonatites |  | | Corporate Document | | Republic of Malawi Ministry of Mining Final Report of the Project for Establishment of Integrated Geographic...Development Co., Ltd. dummy Frontispiece 1 Map of Malawi Former capital: Zomba Headquarters of Geological...Lake Chilwa located in the southeastern part of Malawi and Chisi Island: Chisi Island is composed of syenite...Lake Malawi Upper right: Syenite distributed in Chilwa Alkaline Province in the south of Malawi (Cretaceous...(Cretaceous, Mesozoic) Lower right: Gneiss of Basement Complex (Proterozoic) Contents 1. Outline of the Project |  | Prokopyev, Ilya, Kozlov, Evgeniy, Fomina, Ekaterina, Doroshkevich, Anna, Dyomkin, Maxim (2020) Mineralogy and Fluid Regime of Formation of the REE-Late-Stage Hydrothermal Mineralization of Petyayan-Vara Carbonatites (Vuoriyarvi, Kola Region, NW Russia) Minerals, 10 (5) 405 doi:10.3390/min10050405 | Journal (article/letter/editorial) | | of Petyayan-Vara Carbonatites (Vuoriyarvi, Kola Region, NW Russia) Ilya Prokopyev 1,2, *, Evgeniy Kozlov...Abstract: The Vuoriyarvi Devonian alkaline–ultramafic complex (northwest Russia) contains magnesiocarbonatites...ancylite-dominant magnesiocarbonatites with ancylite–baryte–strontianite–calcite–quartz (±late Ca–Fe–Mg carbonates) ore...mineralization of the Vuoriyarvi alkaline–ultramafic complex. Keywords: magnesiocarbonatites; REE; ancylite;...global rare earth oxide resources are hosted by carbonatite deposits, and bastnäsite, monazite, and xenotime |  | | Journal (article/letter/editorial) | | Fe-F-P-(Ba)-(Sr)-REE Central Asian Carbonatite Province (Southern Siberia and Mongolia): The Petrogenetic...Fe-F-P-(Ba)-(Sr)-REE Central Asian Carbonatite Province (Southern Siberia and Mongolia): The Petrogenetic...+7-913-387-8321 Abstract: The carbonatite complexes of the Central Asian carbonatite province comprise the Siberian...as well as those from the Mushugai-Khudag complex in Southern Mongolia. They are confined to Late Mesozoic...well as fractional crystallization. Alkaline–carbonatite rocks crystallized in the presence of brine–melts |  | | Journal (article/letter/editorial) | | Analogues of these varieties are present in many carbonatite complexes. The aim of this study was to investigate...strength elements during the late stages of carbonatite formation. We conducted a multilateral study...the late hydro (carbo) thermal stage of the carbonatite formation and high migration capacity of Ti and...50 modal percent carbonate [1]. Varieties of carbonatite are named based on the dominant carbonate mineral...well. Most of the known carbonatite complexes have a common scheme of carbonatite genesis, whereby early |  | | Book | | Bas's (1977) book intitled Carbonatite-Nephelinite volcanism; ii) the southern Africa Karoo magmatism which...African Continental Rifts ................. 3.1 Southern Africa .................................. 3.2........................................ 2.1 The Southern Field of Bufumbira .................. 2.2 The.......................................... 7.7 Carbonatite Groundmass .......................... Bulk Rock...Mafic-Ultramafic Magmatism in the Southwest Uganda Region of the African Rift: Implications from Experimental |  | | Book | | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...colour index. This is, without doubt, the most complex lithologie association to be handled from the point...or in the mine workings at all. The Climax Mo complex is the best known example. Here three generations...150-200 km and are up to 15 km thick. The entire complex is composed of over 800 mappable plutons and small...occurrence, and the great Butte ore field in the southern part of the batholith. In contrast to the Peruvian |  | | Book | | "Broadly regarded, the depth to which a metalliferous region has been eroded affects its present characteristics...colour index. This is, without doubt, the most complex lithologic association to be handled from the point...or in the mine workings at all. The Climax Mo complex is the best known example. Here three generations...150-200 km and are up to 15 km thick. The entire complex is composed of over 800 mappable plutons and small...occurrence, and the great Butte ore field in the southern part of the batholith. In contrast to the Peruvian |  | | Report (volume) | | See Figure 5 in Chapter 4 by Hazen et al. Carbonatite lava flow from an eruption of Oldoinyo Lengai...........................................301 Carbonatite mineral deposits............................................................305 GENESIS OF CARBONATITE MAGMAS.........................................special insights to Earth’s dynamic state and complex history. Progress in all of these areas depends...ceased. Details of coal’s structural chemistry and complex maturation processes remain obscure, and thus represent |
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