 | | Journal (article/letter/editorial) | | Agostinho Neto, Av. 4 de Fevereiro 7, 815 Luanda, Angola Earth and Ocean Sciences, School of Natural Sciences...carbonatites represent hypabyssal carbonatites and the Catanda carbonatites are volcanic in origin. In Tchivira...inferred vacancies also increase. Pyrochlores from Catanda display complex textures. They generally have a...exsolution in the volcanic carbonatites. K EY WORDS : Angola, carbonatite, zonation in pyrochlore, fluorine,...the Bonga carbonatites are subvolcanic and the Catanda carbonatites are effusive. using back-scattered |  | 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...Gonçalves, Antonio O., Carbonatitic lavas in Catanda (Kwanza Sul, Angola): Mineralogical and geochemical constraints... ACCEPTED MANUSCRIPT Carbonatitic lavas in Catanda (Kwanza Sul, Angola): mineralogical and geochemical constraints...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 |  | Xu, J., Campeny, M., Tauler, E., Melgarejo, J.C., Gonçalves, A.O. (2016) Vermiculite expansion through non-artificial processes in pyroclastic carbonatites from Catanda (Angola) Clay Minerals, 51 (5) 747-762 doi:10.1180/claymin.2016.051.5.05 | Journal (article/letter/editorial) | | processes in pyroclastic carbonatites from Catanda (Angola) J . X U 1 , * , M . CA M P E N Y 1 , E . TA...Geologia, Universidade Agostinho Neto, Luanda, Angola (Received 25 March 2016; revised 29 July 2016;...pyroclastic carbonatitic rocks from the Catanda volcanic area (Angola) contain annite and phlogopite grains...vermiculitization processes, are not reported in the Catanda rocks. The two types of vermiculitized micas show...expansion, annite, phlogopite, carbonatite, Catanda, Angola. Vermiculite is a 2:1 clay mineral. It may |  | 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...(Bonga [67,68,70]; Virulundo [71]) and extrusive (Catanda; [67,68,72]). The intrusions often constitute ring...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 |  | | Report (issue) | | Baddeleyite ZrO2 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point Group:...In the Bingo deposit, Kivu Province, Congo (Zaire). From Catanda, Angola. At Benfontein, and in large...edition), v. I, 608–610. (2) Heimstra, S.A. (1955) Baddeleyite from Phalaborwra, Eastern Transvaal. Amer. Mineral...275–282. (3) Keil, K. and P.E. Fricker (1974) Baddeleyite (ZrO2 ) in gabbroic rocks from Axel Heiberg Island...Scatena-Wachel, D.E. and A.P. Jones (1984) Primary baddeleyite (ZrO2 ) in kimberlite from Benfontein, South |  | Ernst, Richard E., Pereira, Eurico, Hamilton, Michael A., Pisarevsky, Sergei A., Rodriques, José, Tassinari, Colombo C.G., Teixeira, Wilson, Van-Dunem, Vitória (2013) Mesoproterozoic intraplate magmatic ‘barcode’ record of the Angola portion of the Congo Craton: Newly dated magmatic events at 1505 and 1110Ma and implications for Nuna (Columbia) supercontinent reconstructions. Precambrian Research, 230. 103-118 doi:10.1016/j.precamres.2013.01.010 | Journal (article/letter/editorial) | | Mesoproterozoic intraplate magmatic ‘barcode’ record of the Angola portion of the Congo Craton: Newly dated magmatic... Brazil i Instituto Geológico de Angola, C.P. 1260, Luanda, Angola b a r t i c l e i n f o Article...2013 Available online 4 February 2013 Keywords: Baddeleyite Geochronology Dolerite Dyke swarm Mantle plume...c t In the Angola portion of the Congo Craton, the only Proterozoic large igneous province (LIP) dated...Complex and related units). U–Pb TIMS ages on baddeleyite from dolerite sills and gabbro-noritic dykes |  | | Journal (article/letter/editorial) | | the carbon isotope composition of large igneous province outgassing Ellen Gales a , Benjamin Black a,∗...igneous province δ 13 C Siberian Traps carbon cycle a b s t r a c t Large igneous province (LIP) eruptions...during emplacement of the Central Atlantic Magmatic Province, has been hypothesized to explain carbon isotope...web version of this article.) of large igneous province outgassing is thus central to understanding the...252.27 ± 0.011 Ma (Burgess and Bowring, 2015). Baddeleyite in the Guli carbonatites has been dated at 250 |  | 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 |  | Kosman, Charles W., Kopylova, Maya G., Stern, Richard A., Hagadorn, James W., Hurlbut, James F. (2016) Cretaceous mantle of the Congo craton: Evidence from mineral and fluid inclusions in Kasai alluvial diamonds. Lithos, 265. 42-56 doi:10.1016/j.lithos.2016.07.004 | Journal (article/letter/editorial) | | Cretaceous kimberlites of the Lucapa graben in Angola. Analysis of 40 inclusion-bearing diamonds provides...We 5°S Be lt (K IB) Mbuji-Mayi K ib a Belt Angola Block 10°S Mesoproterozoic fold belts Neoproterozoic...Orogeny) Paleoproterozoic fold belts Poorly known province of Paleo-Mesoproterozoic crust reworked during...of discontinuous faults in southwest and central Angola (de Boorder, 1982). In addition to kimberlites...appear to be more concentrated in southwestern Angola off cratonic margins, whereas kimberlites tend |  | | Book | | . . . . . . . . . . . . . . . . . . . . . . Baddeleyite . . . . . . . . . . . . . . . . . . . . . . ...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 195:1075–1076 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 85:48–75 Fischer T, Burnard |  | | Book (edition) | | BT N460000N503000 W0735000W0850000 Superior Province Canadian Shield Blake River Group Ontario Quebec...Gastropoda Mollusca BT Invertebrata Aconcagua Province Central Chile. Also search cagua. BT Chile NT...Rocky Mountain Arsenal Wattenberg Field Adana Province in S Anatolia. Also a city. BT Turkey Middle East...Tombigbee River Tuscaloosa Formation Valley and Ridge Province Vicksburg Group Warsaw Formation Yazoo Clay Alabama...Shield SA Canadian SA SA SA BD. SA Churchill Province Clearwater River Cold Lake Icefield SA Columbia |  | | Book (edition) | | CO N460000N503000 W0735000W08 50000 BT Superior Province BT Canadian Shield SA Blake River Group SA Ontario...Invertebrata acid rainfall use acid rain Aconcagua Province Central Chile. Also search Acon¬ cagua. BT Chile...BA Wisconsin BA Midwest BA United States Adana Province in S Anatolia. Also a city. BT Turkey BT Middle...Tombigbee River Tuscaloosa Formation Valley and Ridge Province Vicksburg Group Warsaw Formation Yazoo Clay Alabama...Transyl¬ vania. BT Transylvania BT Romania Albacete Province in SE Spain. CO N380200N392700 W0005500W0025500 |  | | 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...– about 150,000 km2. The Timan zeolite-bearing province dominated by analcime was discovered in the second |
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