 | | Journal (article/letter/editorial) | | Oendolongo Mountains . . D. From Lepi to Huambo . . E. Huambo to Ochilesa . F. Ochilesa to Saccanjimba...Bulu-Vulu to Huambo . (1) The Bulu-Vulu . . . (2) Cainbenge and the Umbal (3) The Umbal to Huambo . I I I...AND PREVIOUS LITERATURE.* Benguella is a province of Angola, the chief Portuguese colony in western Africa...flanked by younger marine beds along the coast. Angola is divided into three provinces, of which the northern...are better known geologically than the middle province, Benguella. The geology of Loanda is the most |  | Amores-Casals, , Melgarejo, , Bambi, , Gonçalves, , Morais, , Manuel, , Neto, , Costanzo, , Molist, (2019) Lamprophyre-Carbonatite Magma Mingling and Subsolidus Processes as Key Controls on Critical Element Concentration in Carbonatites—The Bonga Complex (Angola) Minerals, 9 (10) 601 doi:10.3390/min9100601 | Journal (article/letter/editorial) | | Concentration in Carbonatites—The Bonga Complex (Angola) Sandra Amores-Casals 1,2, *, Joan-Carles Melgarejo...Universidade Agostinho Neto, Luanda, Caixa Postal 815, Angola; aurorabambi@hotmail.com (A.B.); tonygoncalves72@hotmail...is one of the largest carbonatitic outcrops in Angola and worldwide [75], with well-known resources in...carbonatite, located SE of Quilengues, Huila Province, Angola (Figure 1), is a carbonatite-alkaline complex...graben, a megastructure cutting Congo, Kasai and Angola Cratons and reactivated during the opening of the |  | | Journal (article/letter/editorial) | | Monte Verde Carbonatite–Alkaline–Agpaitic Complex (Angola) Sandra Amores-Casals 1,2, *, Antonio Olimpio Gonçalves...Universidade Agostinho Neto, Luanda, Caixa Postal 815, Angola; tonygoncalves72@hotmail.com Institut de Ciències...agpaitic minerals; eudialyte; rinkite; loparite; Angola 1. Introduction Undersaturated alkaline rocks...between Huambo and Kwanza Sul provinces, is one of the least studied carbonatite complexes in Angola. As...Tchivira [25,26], Bonga [26–30], Virulundo [31], Bailundo [32], and Catanda [33]. Therefore, an accurate |  | Campeny, Marc, Kamenetsky, Vadim S., Melgarejo, Joan C., Mangas, José, Manuel, José, Alfonso, Pura, Kamenetsky, Maya B., Bambi, Aurora C.J.M., Gonçalves, Antonio O. (2015) Carbonatitic lavas in Catanda (Kwanza Sul, Angola): Mineralogical and geochemical constraints on the parental melt. Lithos, 232. 1-11 doi:10.1016/j.lithos.2015.06.016 | Journal (article/letter/editorial) | | Carbonatitic lavas in Catanda (Kwanza Sul, Angola): Mineralogical and geochemical constraints on...O., Carbonatitic lavas in Catanda (Kwanza Sul, Angola): Mineralogical and geochemical constraints on...MANUSCRIPT Carbonatitic lavas in Catanda (Kwanza Sul, Angola): mineralogical and geochemical constraints on...Geologia, Universidade Agostinho Neto, Luanda, Angola. Pura Alfonso, Dept. Enginyeria Minera i Recursos...Luanda, Angola. Antonio O. Gonçalves, Depto. Geologia, Universidade Agostinho Neto, Luanda, Angola. Abstract |  | | Journal (article/letter/editorial) | | Agostinho Neto, Av. 4 de Fevereiro 7, 815 Luanda, Angola Earth and Ocean Sciences, School of Natural Sciences...exsolution in the volcanic carbonatites. K EY WORDS : Angola, carbonatite, zonation in pyrochlore, fluorine,...carbonatites in Africa (Le Bas, 1971) extends into Angola where the majority of carbonatites crop out along...belong to the Paraná Angola Etendeka F IN CARBONATITIC PYROCHLORE Province and occur as ring complexes...by the Angola Namibia gabbro-anorthosite complex (Issa Filho et al., 1991) (Fig. 1). In Angola, carbonatites |  | Melgarejo, Joan C., Costanzo, Alessandra, Bambi, Aurora C.J.M., Gonçalves, Antonio O., Neto, Andrés 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,⁎, 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 NE–SW that cut the Angola–Congo craton (Issa Filho et al., 1991). Different |  | | Journal (article/letter/editorial) | | Norvege Fen Cap Vert Ile de Fogo Maroc Tamazert Angola #sO/SMOW 7,15 6=C/PDB -6,6 8,OO f 0,2 7,75 f...et apatite Sovite a magnetite et apatite Coola Angola Monte-Verde 14,l + 0,05 - 2,2 & 0,2 5,5 f 091...P P 95 96 P 97 P P 98 99 Angola Bdhmdo P 100 P 101 P 102 Angola Tchivira-Bonga Afrique du Sud... -8 + i& Dolomite 6 + Calcite A Calcile A Ddomae q 10 12 14 A Calcite Dolomite A AMI - S&de...$AVOY J. <m%kE et CLAUDE Coola Monte Verde Bailundo Tchivira-Bonga . -6 cf -8 4 6 6 10 12 |  | Le Bas, M. J., Xueming, Y., Taylor, R. N., Spiro, B., Milton, J. A., Peishan, Z. (2007) New evidence from a calcite-dolomite carbonatite dyke for the magmatic origin of the massive Bayan Obo ore-bearing dolomite marble, Inner Mongolia, China. Mineralogy and Petrology, 90 (3) 223-248 doi:10.1007/s00710-006-0177-x | Journal (article/letter/editorial) | | in The Netherlands New evidence from a calcite-dolomite carbonatite dyke for the magmatic origin of the...the massive Bayan Obo ore-bearing dolomite marble, Inner Mongolia, China M. J. Le Bas1; , Y. Xueming2...composition and major and trace element distribution in dolomite-calcite carbonatite dykes at Bayan Obo are provided...deduced. The dykes and the neighbouring massive dolomite (H8) body have similar geochemical characteristics...fenitized quartzites marginal to both dykes and H8 dolomite body, and the presence of xenoliths in the latter |  | Thompson, R., Smith, P., Gibson, S., Mattey, D., Dickin, A. (2002) Ankerite carbonatite from Swartbooisdrif, Namibia: the first evidence for magmatic ferrocarbonatite. Contributions to Mineralogy and Petrology, 143 (3) 377-396 doi:10.1007/s00410-002-0350-0 | Journal (article/letter/editorial) | | basement at Swartbooisdrif, adjacent to the NW Namibia-Angola border. Their age is uncertain but probably 1...from Ca(Mg, Fe2+)(CO3)2 cores towards ferroan dolomite rims. Calcite contains 1.7% R.N. Thompson (&)...poor. Geothermometry, using either the calcite-dolomite solvus or oxygen isotope fractionation between...Geological formations are not differentiated in Angola, and the Dwyka sediments are not discussed in this...carbonatites – which extends for 800 km northwards into Angola (Issa Filho et al. 1991; Alberti et al. 1999). |  | | Report (issue) | | associated fenite at 11 localities in the Chilwa Province of Malawi. Remarkably, in that paper it was also...name Alternative name Continent Country State/Province/Territory Latitude Longitude Carbonatite type...number of occurrences per country. Africa Algeria Angola Burundi Congo (DR) Egypt Gabon Kenya Libya Malawi...Canada, United States, Russia, and China), the province, state, or territory in which the occurrence lies...carbonatite name is generally rendered as calcite, dolomite, ankerite carbonatite, etc., it is sometimes given |  | Giovannini, Arthur L., Bastos Neto, Artur C., Porto, Claudio G., Pereira, Vitor P., Takehara, Lucy, Barbanson, Luc, Bastos, Pedro H.S. (2017) Mineralogy and geochemistry of laterites from the Morro dos Seis Lagos Nb (Ti, REE) deposit (Amazonas, Brazil) Ore Geology Reviews, 88. 461-480 doi:10.1016/j.oregeorev.2017.05.008 | Journal (article/letter/editorial) | | Craton, in the southeastern part of the Rio Negro Province (Santos et al. 2000). The basement is represented...abundant carbonates in carbonatites are calcite and dolomite, whereas ankerite, siderite, magnesite, and rhodochrosite...perovskite and niocalite, whereas the St. Honoré dolomite carbonatites (Canada) lack perovskite and niobium...goethite, as described in the Longonjo carbonatite, Angola (Castellano et al. 2012). Thus, we consider that...cut the glimerites. The predominant carbonate is dolomite, with subordinate calcite and ankerite. Ba-pyrochlore |  | | Book (edition) | | Finland, Guyana, Venezuela, Brazil, Paraguay, Angola and South-West Africa, i.a. Carbonatites are now...of resurgent material, derived from the Great Dolomite of depth” (p. 565). It must be remembered that...wall-rock alterations brand the area as an alkalic province. The types of carbonatite occurrences may be grouped...Larsen (1940) has pointed out, a petrographic province must be defined not only with respect to space...assignment of some occurrences to a particular province rests on geographic, geologic, or petrologic affinities |  | | Report (issue) | | Atomic Energy Agency: AFGHANISTAN ALBANIA ALGERIA ANGOLA ANTIGUA AND BARBUDA ARGENTINA ARMENIA AUSTRALIA....................................... 49 6.5.1. Angola..................................................Details on the geology and formation of the alkaline province in northern Karelia (Kola Peninsula) are described...investigated area is located near Sivrihisar, province of Eskisehir, ~150 km W of Ankara. The deposit...pegmatites in the Mont Laurier area of the Grenville Province may be classified as results of high grade metamorphic |  | | Report (issue) | | Bailey and S. Kearns 12. Post-Paleozoic magmatism in Angola and Namibia: A review . . . . . . . . . . . . ...provinces of the Saharan zone, Cameroon volcanic line, Angola and Namibia, and the East African Rift system....and the Ethiopian-Yemenite “Afar” flood basalt province (compiled from Schandelmeier and Reynolds, 1997;...compositionally related to the mainly alkaline province of intraplate magmatism in north Sudan and south... and Maguire, P.K.H., eds., The Afar Volcanic Province within the East African Rift System: Geological |  | | Book | | subdivided into Ca-rich (calciocarbonatites), Mg-rich (dolomite carbonatites), Fe-rich (ankerite carbonatites)...the Canary Islands, the North Atlantic Igneous Province and the Sunda Arc with a focus on magmatic crystals...carbonatite occurrences are dominated by calcite, 7 by dolomite and the remaining two are known to be of alkaline...(ac) and Alnö (acl) in Sweden; the Kola alkaline province (acl) in Russia; Sokli (cl) and Iivara (a) in...Eckermann 1948), are carbonatite dykes with dominating dolomite (more rarely, ferrodolomite), being the hypabyssal |  | | Book | | Sinian Reservoirs of the Weiyuan Area, Sichuan Province: The Oldest Gas in China y. Xu, P. Shen, Y. Li...However, where the paleosol is covered by dolostone, dolomite replaces Archean mineral grains within the paleosol...isotopically fractionated sulphides in Superior Province, Canada. Chern GeoI65:341-358 Campbell SE (1979)...in unraveling their burial alteration history. Dolomite is a common carbonate in Precambrian paleosols...Res 12: 349 - 373 Given RK, Wilkinson BH (1987) Dolomite abundance and stratigraphic age: constraints on |  | | Report (volume) | | geology ‘The Making of the Earth’ Visit to Benguella, Angola The classification of coast types, the nature and...Earthquake studies. 1912. Expedition to Benquella, Angola. 1913. Publication of ‘The nature and origin of...Territory and the east of Portuguese-controlled Angola to German Southwest Africa. He concluded that ‘England’...present and they all fell into the Indo-Pacific province. The first proofs came in July 1899, the final...declined any financial dealings as outside his province. It seemed a deadlock. There were several Melbourne |  | | Book (volume) | | 2893 laka language USE Yaka language (Congo and Angola) lAkovlev (Fighter plane) USE Yak (Fighter plane)...River (Netherlands) Ijsel Rivers River (Utrecht Province-South Holland, Netherlands) USE Hollandsche IJssel...language Ikumama Campo Piazza del — Quebec (Province) USE Bizard Island (Quebec) He Bonaventure (Quebec)...people) (May Subd Geog) UF Awa (Southern Highlands Province New Guinea people) Ibo Ugu (Papua New Guinea people)...language L'F Awa language (Southern Highlands Province. Papua New Guinea) Ibo Ugu language Imbon Ggo |  | | Book (volume) | | of a geographic feature, the name of a state or province, or the name of a city, then the name of the country...(Ont. and Quebec) BT Lakes Ontario Lakes Quebec (Province) Abitibi Greenstone Belt (Ont. and Quebec) BT...Greenstone belts Ontario Greenstone belts Quebec (Province) — — — — USE Abkhaz Abkhazians philology ...Abraham, Plains of (Quebec) BT Plateaus Qu6bec (Province) Abraham, Plains of (Quebec), Battle BT Quebec...works dealing collectively with the countries of Angola, Cape Verde, Guinea-Bissau, — Politics and government |
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