 | | 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 |  | 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 |  | 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 |  | 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) | | bø intermediate: pyroxenite, cø inner: titanium pyrite pyroxene afrikandite 3. lower layer: u,rtites 4...columbiumminerals. In the complexesof the LaurentJan shield,pyrite and pyrrhotite are normal accompanying mineralsof...Tundulu 1 0, 07 Chilwa 2 X 2 [Longonjo 4.5 Bailundo 5 Arax& 4 RESERVES Core, miles Lueshe 1...Depositsin Kazakhstan, in the Pacific Maritime Province and in Manjuria are related to granitic rocks..., 1957, On the central-African metallogenetie province: Geol. Rdsh. 46. 6. de Kun, N., 1959, Les gisements |  | 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...goethite, as described in the Longonjo carbonatite, Angola (Castellano et al. 2012). Thus, we consider that...primary Fe-bearing minerals (siderite, biotite, pyrite, olivine and others). Hematite is mainly formed...Subsolidus Processes in the Longonjo and Bailundo Carbonatites (Angola) 8–9. Černý, P., Chapman, R., Simmons...Gifford Creek Ferrocarbonatite Complex, Gascoyne Province, Western Australia: Associated fenitic alteration |  | | Book (edition) | | Finland, Guyana, Venezuela, Brazil, Paraguay, Angola and South-West Africa, i.a. Carbonatites are now...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...\e ‘: ! | Figure 2-1] The Arkansas alkalic province (Erickson and Blade, 1963). rather than on temporal |  | | 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...finer grained quartz and feldspar and disseminated pyrite. Within the matrix uraninite, brannerite, monazite |  | | 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...in variable amounts. Accessory minerals include pyrite, brookite and pyrochlore. 1.6.3 Sövites and Silico-Sövites...(diopside to augite). Apatite and notably magnetite, pyrite, sphene and andradite/melanite are common minor...(>70 vol.%), also biotite, apatite, magnetite and pyrite. Alvikites proper are represented by 148 recorded |  | | Book | | Sinian Reservoirs of the Weiyuan Area, Sichuan Province: The Oldest Gas in China y. Xu, P. Shen, Y. Li...metals in the form of sulfide minerals (mostly pyrite) which basically inherit the isotopic composition...marine sulfur species, based on isotopic data. Pyrite correlates closely with organic carbon in Archean...Kimberley 1976): but Archean pyrite is not enriched in 32S as is pyrite in younger sediments (Holland...isotopically fractionated sulphides in Superior Province, Canada. Chern GeoI65:341-358 Campbell SE (1979) |  | | 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 |
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