 | TorrĂł, L., Villanova, C., Castillo, M., Campeny, M., Gonçalves, A. O., Melgarejo, J. C. (2012) Niobium and rare earth minerals from the Virulundo carbonatite, Namibe, Angola. Mineralogical Magazine, 76 (2) 393-409 doi:10.1180/minmag.2012.076.2.08 | Journal (article/letter/editorial) | | and rare earth minerals from the Virulundo carbonatite, Namibe, Angola L. TORROÌ1, C. VILLANOVA1, M. CASTILLO1...Agostinho Neto, Av. 4 de Fevereiro 7, 815 Luanda, Angola [Received 27 January 2011; Accepted 7 July 2011;...Editor: Hilary Downes] ABSTRACT The Virulundo carbonatite in Angola is one of the largest in the world...WORDS : Angola, carbonatite, pyrochlore, REE, magmatic, hydrothermal, weathering, Virulundo. Introduction...Introduction THE Virulundo carbonatite is one of the largest in the world (Woolley, 2001). Its remote location |  | Melgarejo, Joan C., Costanzo, Alessandra, Bambi, Aurora C.J.M., Gonçalves, Antonio O., Neto, AndrĂ©s B. (2012) Subsolidus processes as a key factor on the distribution of Nb species in plutonic carbonatites: The Tchivira case, Angola. Lithos, 152. 187-201 doi:10.1016/j.lithos.2012.06.024 | Journal (article/letter/editorial) | | species in plutonic carbonatites: The Tchivira case, Angola Joan C. Melgarejo a, Alessandra Costanzo b,â, Aurora...Geologia, Universidade Agostinho Neto, Luanda, Angola a r t i c l e i n f o Article history: Received...Tchivira carbonatite, located 400 km south of Luanda (Angola), is a good example of a carbonatite body produced...Geological setting Most of the carbonatite complexes in Angola are found in the Lucapa structure (deVries Lapido-Loureiro...1200 km set of faults oriented NEâSW that cut the AngolaâCongo craton (Issa Filho et al., 1991). Different |  | Giebel, R. Johannes, Gauert, Christoph D.K., Marks, Michael A.W., Costin, Gelu, Markl, Gregor (2017) Multi-stage formation of REE minerals in the Palabora Carbonatite Complex, South Africa. American Mineralogist, 102 (6) 1218-1233 doi:10.2138/am-2017-6004 | Journal (article/letter/editorial) | | zrc CaZrTi2O7 SULFIDES: bornite bn Cu5FeS4 chalcopyrite cp CuFeS2 galena gn PbS valleriite val 2[(Fe...Anzaite associated with valleriite replacing chalcopyrite. (f) Association of anzaite, valleriite, serpentine...REEFC-I needle. (b) REEFC-I partly included in chalcopyrite. Note the strong dissolved parts of REEFC-I...low-temperature phase in the Virulando carbonatite (Angola) where it formed during late-stage supergene alteration...the following schematic equation: Monazite + Chalcopyrite + PM Fluid = Apatite + Valleriite + PMÊč Fluid |  | | Journal (article/letter/editorial) | | characteristics of the Tarim Permian large igneous province rocks of NW China: Implication for the magmatic...mafic intrusions related to the ParanĂĄ Magmatic Province, Uruguay Muzio R., Scaglia F. & Masquelin H.,...and rare earth minerals from the Virulundo carbonatite, Namibe, Angola TorrĂł L., Villanova C., Castillo...from Linga area of the Eastern Deccan Volcanic Province, India Ganguly S., Ray J., Koeberl C., Ntaflos...Coal Geology, 2012, 94/- (3243). Re-Os sulfide (chalcopyrite, pyrite and molybdenite) systematics and fluid |  | | Report (volume) | | Fluoritebearing carbonatites are reported from Angola, Kenya, Morocco, Mozambique, Namibia, South Africa...Africa, in Namibia (South West Africa), and in Angola and is associated with major fault zones in the...with alkaline intrusive rocks are reported from Angola, Kenya, Malawi, Morocco, Mozambique, Namibia, South...---------------------------- DeKun, 1965. trJ Angola Coola -------------------- 12°31' s. 15°16'E...accompanied by garnet, amphibole, phrite, molybdenite, chalcopyrite, schee ite, and pitchblende. ------------- |  | | Journal (article/letter/editorial) | | system comprises fluorite, barite, pyrite and chalcopyrite, with the West Vein ore mineralogy being similar...which partially fill vugs in fluorite veins. Chalcopyrite occurs in surface exposures of West Vein, but...carbonatite phase associated with the Virulundo carbonatite, Angola: Issa Filho et al., 1991; carbonatite...Amba Dongar and adjacent areas, Decan Igneous Province, Gujarat, India. I. Geology, petrology and petrochemistry |  | Chakhmouradian, Anton R., Reguir, Ekaterina P., Kressall, Ryan D., Crozier, Jeremy, Pisiak, Laura K., Sidhu, Ravinder, Yang, Panseok (2015) Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64. 642-666 doi:10.1016/j.oregeorev.2014.04.020 | Journal (article/letter/editorial) | | ïŹuorocarbonates (as syntactic intergrowths), chalcopyrite and pyrrhotite (both as inclusions in, and intergrowths...also apply to the MianningâDechang carbonatite province in China (Hou et al., 2006; Wang et al., 2001;...Kola Alkaline Province in the context of a Scandinavian North Atlantic Alkaline Province. In: Wall, F...to Mine: the Key Example of the Kola Alkaline Province. Mineral. Soc., London, pp. 1â43. Bush, V.A.,...to Mine: the Key Example of the Kola Alkaline Province. Mineral. Soc., London, pp. 293â340. Chakhmouradian |  | Nedosekova, Irina, Vladykin, Nikolay, Udoratina, Oksana, Belyatsky, Boris (2021) Ore and Geochemical Specialization and Substance Sources of the Ural and Timan Carbonatite Complexes (Russia): Insights from Trace Element, RbâSr, and SmâNd Isotope Data. Minerals, 11 (7) 711 doi:10.3390/min11070711 | Journal (article/letter/editorial) | | SiberiaâWhite Winter, Middle Winter (East Sayan province); the NbâREE Chuktukonskoe deposit (Chadobetsky...80â83] as well as apatite, magnetite, pyrite, chalcopyrite, galena, sphalerite, and pyrrhotite. There are...carbonatite complex (for example, Tchivira carbonatite, Angola [127]). As known, oscillatory zoning in pyrochlore... NbâTaâP NeskeVaara deposit (Kola carbonatite province) and some others). REE specialization is typical...carbonatite complexes Minerals 2021, 11, 711 province (EACL) [32], Siberia [121,172,173], Aldan [40 |  | | Journal (volume) | | February 1987 in Luc Yen (a small city in Yen Bai province, N- Vietnam), this country is an important source...from Burma. On the way from the capital of the province, which is also named Yen Bai, to Luc Yen, a new...and rose quartz from the Borborema Pegmatitic Province (Brazil) irradiated with high gamma doses Barreto...granitic pegmatities located in Borborema Pegmatite Province (BPP, Brazil), it is common to find areas of rose...â about 150,000 km2. The Timan zeolite-bearing province dominated by analcime was discovered in the second |  | | Book | | the Canary Islands, the North Atlantic Igneous Province and the Sunda Arc with a focus on magmatic crystals...(ac) and Alnö (acl) in Sweden; the Kola alkaline province (acl) in Russia; Sokli (cl) and Iivara (a) in...Nature 195:1075â1076 Doig R (1970) An alkaline rock province linking Europe and North America. Can J Earth...and carbonatitic magmatism in the Kola Alkaline Province: a review. Lithos 85:48â75 Fischer T, Burnard...Dahlgren S (1998) Tectonic SigniïŹcance of the Fen Province, S. Norway: constraints from geochronology and |  | | Report (issue) | | The given name for the occurrence or deposit. PROVINCE The major region political subdivision of the...POR ROM RWA AFGHANISTAN ALGERIA ANGOLA AFGHANISTAN ALGERIA ANGOLA ARGENTINA AUSTRALIA AUSTRIA BENIN...SUB-TYPE STATUS MINE-METH SOURCE LOCATION-GENERAL PROVINCE COUNTY LAT N/S LONG E/W UTM-ZONE EASTING NORTHING...-: MAP NUMBER ITATAIA COUNTRY - : BRAZIL PROVINCE -: LATITUDE -: CEARA <5°35'24"S -: BRA-031...< Disaster Peak ' or 15' quad) Physiographic Province A63 <|1 ,2 | | Basin and Range_______________________________> |
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