| | Journal (article/letter/editorial) | petrography of the Portuguese West African colony of Angola, and of its three provinces that of Benguella is...descriptions of rocks from Angola, and especially of its northern province, Loanda, have been given by...shonkinite respectively. * BERG, G., "Gesteine von Angola, Sao Thome, und St Helena," Tscher, min. u. petr...Contribution to the Petrology of North-western Angola," Oeol. Mag., dec. vi, vol. ii, pp. 228-232 ; 267-272... P. DE, and MATTOS, A. A. DE, A Golonisagao de Angola, Lisbon, 163 pp., 1912. TRANS. ROY. SOC. EDIK, | | | 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 | | | Book (edition) | Finland, Guyana, Venezuela, Brazil, Paraguay, Angola and South-West Africa, i.a. Carbonatites are now...country rock around alkalic complexes; up to 25% aegirine-augite, minimum of 52% StOz: Mafic-metasomatites...country rock around alkalic complexes; more than 25% aegirine-augite. Ringite Table 1-2. Nomenclature for...Silicates > calcite Kasenite Hollaite Ringite Aegirine sOvite Silicocarbonatite Rocks Silicates 90-100%...wall-rock alterations brand the area as an alkalic province. The types of carbonatite occurrences may be grouped | | | Book | the Canary Islands, the North Atlantic Igneous Province and the Sunda Arc with a focus on magmatic crystals...intergrowth of calcite and lamellar pyroxene (aegirine augite), with some mica, titanomagnetite and apatite...filled with nepheline-syenitic material. Needles of aegirine augite, aggregates of melanite garnet and spots...(ac) and Alnö (acl) in Sweden; the Kola alkaline province (acl) in Russia; Sokli (cl) and Iivara (a) in...richterite and arfvedsonite, alkali feldspar, and aegirine (acmite). Notably, zircon, commonly regarded as | | | 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 | | | 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...nepheline syenites with anorthoclase, augite, aegirine, sodalite and deep brown ‘barkevicite’ amphibole | | | 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...A18 (Mineralogy)] Acmite UF — — Acmeist Aegirine Aegirite BT Pyroxene (May Subd Geog) Acne |
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