 | Estrade, Guillaume, Marquis, Eva, Smith, Martin, Goodenough, Kathryn, Nason, Peter (2019) REE concentration processes in ion adsorption deposits: Evidence from the Ambohimirahavavy alkaline complex in Madagascar. Ore Geology Reviews, 112. 103027 doi:10.1016/j.oregeorev.2019.103027 | Journal (article/letter/editorial) | | deposits: evidence from the Ambohimirahavavy alkaline complex in Madagascar Guillaume Estrade, Eva Marquis...deposits: evidence from the Ambohimirahavavy alkaline complex in Madagascar, Ore Geology Reviews (2019)...deposits: evidence from the Ambohimirahavavy alkaline complex in Madagascar Authors Guillaume Estrade1*...present data from the Cenozoic Ambohimirahavavy alkaline complex in Madagascar, with the aim of further constraining...weathering profiles described here are developed on alkaline igneous rocks, including both SiO2-undersaturated |  | Cucciniello, C., Tucker, R. D., Jourdan, F., Melluso, L., Morra, V. (2016) The age and petrogenesis of alkaline magmatism in the Ampasindava Peninsula and Nosy Be archipelago, northern Madagascar. Mineralogy and Petrology, 110 (2) 309-331 doi:10.1007/s00710-015-0387-1 | Journal (article/letter/editorial) | | petrogenesis of alkaline magmatism in the Ampasindava Peninsula and Nosy Be archipelago, northern Madagascar C. Cucciniello...Springer-Verlag Wien 2015 Abstract The Ampasindava alkaline province consists of a series of circular and...sedimentary rocks of the Antsiranana basin (NW Madagascar) and above the crystalline basement. The magmatism...patterns of the mafic lavas match those of Na-alkaline lavas in within-plate rift settings. The patterns... F-disilicates). Introduction The island of Madagascar records two magmatic episodes during Cretaceous |  | | Journal (article/letter/editorial) | | of peralkaline granite dykes of the Straumsvola complex, western Dronning Maud Land, Antarctica Chris Harris1...element modelling, some authors have concluded that alkaline granites in general are the products of prolonged...between these two models are those that propose that alkaline granites are the result of assimilation of crust...melting of felsic crust. Examples include the Puklen Complex of the Gardar Province, South Greenland; the Marangudzi...Mt. Brome in Canada, the Ambohimirahavy Complex, Madagascar, and Messum in Namibia (Marks et al. 2003; |
|
