 | Mourão, Cyntia, Mata, João, Doucelance, Régis, Madeira, José, Millet, Marc-Alban, Moreira, Manuel (2012) Geochemical temporal evolution of Brava Island magmatism: Constraints on the variability of Cape Verde mantle sources and on carbonatite–silicate magma link. Chemical Geology, 334. 44-61 doi:10.1016/j.chemgeo.2012.09.031 | Journal (article/letter/editorial) | | temporal evolution of Brava Island magmatism: Constraints on the variability of Cape Verde mantle sources and...September 2012 Editor: L. Reisberg Keywords: Cape Verde archipelago Alkaline magmas Carbonatites Recycled...and carbonatite rocks from Brava, the southernmost island of the Cape Verde archipelago, are reported...contrast to other islands of the archipelago where a continuous range is usually observed, Brava is clearly...usually assigned to the southern and northern Cape Verde islands, respectively. This temporal evolution is |  | | Journal (article/letter/editorial) | | leading to unmixing of carbonatites on Brava Island (Cape Verde) and a general model of carbonatite genesis...Heidelberg 2016 Abstract The carbonatites of Brava Island, Cape Verde hot spot, allow to investigate whether...carbonatites on Brava Island are part of a strongly silica-undersaturated pyroxenite, ijolite, nephelinite, nepheline...The alkali-poor character of the carbonatites on Brava and elsewhere is likely a consequence of the release...almost primitive melts to syenitic compositions on Brava underlines the possibly important role of intrusives |  | Mourão, Cyntia, Moreira, Manuel, Mata, João, Raquin, Aude, Madeira, José (2012) Primary and secondary processes constraining the noble gas isotopic signatures of carbonatites and silicate rocks from Brava Island: evidence for a lower mantle origin of the Cape Verde plume. Contributions to Mineralogy and Petrology, 163 (6) 995-1009 doi:10.1007/s00410-011-0711-7 | Journal (article/letter/editorial) | | silicate rocks from Brava Island: evidence for a lower mantle origin of the Cape Verde plume Cyntia Mourão...and carbonatites (apatites and calcites) from Brava Island. The presence of an almost ubiquitous atmosphere-derived...considered a strong evidence for the genesis of Brava by a mantle plume deeply anchored in the lower mantle...geochemical dichotomy between Northern and Southern Cape Verde islands, which is markedly evident from Sr, Nd, and...signatures, is not apparent from Brava Island (Southern Cape Verde), where some samples present relatively |  | Barker, A. K., Troll, V. R., Ellam, R. M., Hansteen, T. H., Harris, C., Stillman, C. J., Andersson, A. (2012) Magmatic evolution of the Cadamosto Seamount, Cape Verde: beyond the spatial extent of EM1. Contributions to Mineralogy and Petrology, 163 (6) 949-965 doi:10.1007/s00410-011-0708-2 | Journal (article/letter/editorial) | | Magmatic evolution of the Cadamosto Seamount, Cape Verde: beyond the spatial extent of EM1 A. K. Barker...Cadamosto Seamount is an unusual volcanic centre from Cape Verde, characterised by dominantly evolved volcanics...contrast to the typically mafic volcanic centres at Cape Verde that exhibit only minor volumes of evolved volcanics...perspective on evolved end-member volcanism of Cape Verde. The Submitted to Contributions to Mineralogy...Sciences, University of Cape Town, 13 University Avenue, Upper Campus, Rondebosch, Cape Town 7700, South Africa |  | | Journal (article/letter/editorial) | | com/loi/tigr20 Should a Nephelinitic Series—Bearing Oceanic Island Be Drilled for Carbonatites, Kimberlites, and Ultrapotassic...(2004) Should a Nephelinitic Series—Bearing Oceanic Island Be Drilled for Carbonatites, Kimberlites, and Ultrapotassic... Should a Nephelinitic Series–Bearing Oceanic Island Be Drilled for Carbonatites, Kimberlites, and Ultrapotassic...Carbonatites are known in the oceanic islands of the Cape Verde and Canary archipelagos near the continental...Africa. Such rocks are proposed to exist in oceanic islands far from the continents, like Hawaii, based on |  | Mata, João, Moreira, Manuel, Doucelance, Régis, Ader, Magali, Silva, Luís C. (2010) Noble gas and carbon isotopic signatures of Cape Verde oceanic carbonatites: Implications for carbon provenance. Earth and Planetary Science Letters, 291 (1) 70-83 doi:10.1016/j.epsl.2009.12.052 | Journal (article/letter/editorial) | | Noble gas and carbon isotopic signatures of Cape Verde oceanic carbonatites: Implications for carbon...carbonatites deep Earth carbon cycle mantle plume Cape Verde a b s t r a c t We discuss noble gas (He, Ne...C isotope signatures of carbonatites from the Cape Verde Archipelago. These are the first noble gas compositions...mantle, constraining the depth of origin of the Cape Verde plume. In contrast, apatite samples return highly...role of primordial carbon in the genesis 13 of Cape Verde carbonatites. This conclusion is supported by |  | | Journal (article/letter/editorial) | | associated nephelinites from São Vicente, Cape Verde Islands C. DE IGNACIO*, M. MUÑOZ AND J. SAGREDO...The island of São Vicente has the most abundant carbonatite outcrops in the Cape Verde Islands. A field...occurred in two main steps: high-temperature nephelinite crystallization and high-temperature carbonatite...nephelinites, Cape Verde Islands. Introduction CARBONATITES have been reported from two islands in the northern...northern part of the Cape Verde archipelago, São Vicente (Gerlach et al., 1988) and São Nicolau (Kogarko |  | | Journal (article/letter/editorial) | | carbonatitic pyroclastic flow deposits (e.g. Brava Island – Cape Verdes; Mourão et al., 2010, Kerimasi volcano...Hamilton, 1980; in wt.%). Black solid line is the nephelinite–carbonatite melt miscibility gap at 0.5 GPa (Kjarsgaard...ashes, Nasira nephelinite groundmass glass from the N-flank of Oldoinyo Lengai, nephelinite hosted melt...2007–08 eruption (Bosshard-Stadlin et al., 2014), nephelinite from the Lake Natron–Engaruka monogentic field...mixing patterns of alkali-carbonatite with a nephelinite endmember; however, these cannot reproduce the |  | Carnevale, Gabriele, Caracausi, Antonio, Correale, Alessandra, Italiano, Laura, Rotolo, Silvio G. (2021) An Overview of the Geochemical Characteristics of Oceanic Carbonatites: New Insights from Fuerteventura Carbonatites (Canary Islands) Minerals, 11 (2) 203 doi:10.3390/min11020203 | Journal (article/letter/editorial) | | Insights from Fuerteventura Carbonatites (Canary Islands) Gabriele Carnevale 1, * , Antonio Caracausi 2...counterpart, having been reported only in Cape Verde and Canary Islands. This paper provides an overview of...carbonatites (Canary Islands). Trace elements show a similar trend as Cape Verde carbonatites, almost...their petrogenesis, and they clearly differ from Cape Verde carbonatites, i.e., fluids from a deep and low...isotopes; oceanic carbonatites; Fuerteventura; Cape Verde Characteristics of Oceanic Carbonatites: New |  | Martins, Sofia, Mata, João, Munhá, José, Mendes, Maria Hermínia, Maerschalk, Claude, Caldeira, Rita, Mattielli, Nadine (2010) Chemical and mineralogical evidence of the occurrence of mantle metasomatism by carbonate-rich melts in an oceanic environment (Santiago Island, Cape Verde) Mineralogy and Petrology, 99 (1) 43-65 doi:10.1007/s00710-009-0078-x | Journal (article/letter/editorial) | | melts in an oceanic environment (Santiago Island, Cape Verde) Sofia Martins & João Mata & José Munhá &...Springer-Verlag 2009 Abstract Lavas from Santiago Island attest to a complex magmatic history, in which... Young (<3.3 Ma) primitive lavas from Santiago Island are characEditorial handling: A. Möller Electronic...southern Cape Verde Islands. The overall geochemical characteristics of lavas from Santiago Island allow...variable elemental and isotopic composition of Oceanic Island Basalts (OIB) has been thought to result from sampling |  | Nabyl, Zineb, Massuyeau, Malcolm, Gaillard, Fabrice, Tuduri, Johann, Iacono-Marziano, Giada, Rogerie, Grégory, Le Trong, Emmanuel, Di Carlo, Ida, Melleton, Jérémie, Bailly, Laurent (2020) A window in the course of alkaline magma differentiation conducive to immiscible REE-rich carbonatites. Geochimica et Cosmochimica Acta, 282. 297-323 doi:10.1016/j.gca.2020.04.008 | Journal (article/letter/editorial) | | (calcio-carbonate type) and silicate melts (nephelinite to phonolite type). The experimental data shows...provinces (East African Rift, Canary and Cape Verde Islands) and show that REE concentrations of their...consisted of a mixture between synthetic hydrated nephelinite powder and synthetic calcite, in a ratio 90:10...(bulk composition from Kjarsgaard, 1998). The nephelinite powder was made from the mixture of synthetic... the silicate liquid compositions vary from nephelinite to phonolite, with SiO2 contents from 44.3 ± |  | | Book | | Image: View into the Caldeira Volcano of the ocean island of Faial, Azores; © Christoph Beier, University......19 3 Magma Storage at Ocean Islands: Insights From Cape Verde Abigail K. Barker, Elin M. Rydeblad...Science and Technology University of Cape Verde Praia, Cape Verde Frank J. Spera Department of Earth Science...selected the Hualalai and Mauna Kea volcanoes of the island of Hawaii, from which erupted a large quantity...build up the island of Hawaii (Figure 1.1). Similarly to other volcanoes from this island, their erupting |  | Cheng, Zhiguo, Zhang, Zhaochong, Hou, Tong, Santosh, M., Zhang, Dongyang, Ke, Shan (2015) Petrogenesis of nephelinites from the Tarim Large Igneous Province, NW China: Implications for mantle source characteristics and plume–lithosphere interaction. Lithos, 220. 164-178 doi:10.1016/j.lithos.2015.02.002 | Journal (article/letter/editorial) | | Telephone: 13910168892, Fax: Abstract: The nephelinite exposed in the Wajilitage area in the northwestern...SIMS U-Pb age of 268±30Ma suggesting that the nephelinite may represent the last phase of the TLIP magmatism...is also confirmed by the field relation. The nephelinite shows depleted Sr-Nd isotopic compositions with...trace element data suggest that the Wajilitage nephelinite was most likely generated NU by low-degree...Tarim Large igneous province; Mantle plume; Nephelinite; Rutile geochronology; Magnesium isotope; Plume-lithosphere |  | Braunger, Simon, Marks, Michael A.W., Wenzel, Thomas, Chmyz, Luanna, Guitarrari Azzone, Rogério, Markl, Gregor (2020) Do carbonatites and alkaline rocks reflect variable redox conditions in their upper mantle source?. Earth and Planetary Science Letters, 533. 116041 doi:10.1016/j.epsl.2019.116041 | Journal (article/letter/editorial) | | are divided into several genetic types, with nephelinite- and melilitite-clan carbonatites representing...Temperature (◦ C) FMQ** Kaiserstuhl Carbonatite Nephelinite-basanite Melilite-haüynite Melteigite Sodalite...carbonatites from ocean islands reported only from the Canary Islands, Cape Verdes and Kerguelen (Woolley...thereby being strongly modified and diluted. Ocean island volcanics and xenoliths from oceanic environments...and O’Neill, 2007; Foley, 2011). Moreover, ocean island basalts reveal similar radiogenic isotope signatures |  | | Journal (article/letter/editorial) | | sufficient to produce high-MgO, primitive basanite^nephelinite if carbonated eclogite melt and peridotite interaction...involvement of CO2 in the formation of silica-poor ocean island basalt (OIB) is also supported by the natural association...enriched in TiO2 to explain most of the alkalic ocean island basalts, partial melts of carbonated MORB-eclogite...alkalic basalts in general and those from ocean islands in particular is of considerable interest (Dasgupta...become increasingly silica-poor from basanite to nephelinite and finally to melilitite. ABC is an alkalic |  | Cheng, Zhiguo, Zhang, Zhaochong, Hou, Tong, Santosh, M., Chen, Lili, Ke, Shan, Xu, Lijuan (2017) Decoupling of Mg–C and Sr–Nd–O isotopes traces the role of recycled carbon in magnesiocarbonatites from the Tarim Large Igneous Province. Geochimica et Cosmochimica Acta, 202. 159-178 doi:10.1016/j.gca.2016.12.036 | Journal (article/letter/editorial) | | layered maficultramafic intrusions, syenite, nephelinite, lamprophyre, carbonatite, and other dyke rocks...syenites (273Ma) →diabase and lamprophyric dikes → nephelinite (268Ma) (Zhang et al., 2008; Xu et al., 2014;...mantle δ26Mg values (-0.25±0.07 ‰; Fig. 5a), the nephelinite (-0.35±0.06 to -0.55±0.03 ‰) and kimberlitic...silicate rocks including kimberlitic rocks, nephelinite and gabbro (Fig. 1 and Fig. 2a). However, in...kimberlitic rocks (δ26Mg=-0.36 to -0.75‰) and nephelinite (δ26Mg=-0.35 to 0.55‰) by crystal fractionation |  | | Journal (article/letter/editorial) | | western branch, such as ~21 Ma nephelinites of Idwige Island in the Kivu Rift (Pouclet et al., 2016), the ~19-17...to carbonates and evolved alkaline (phonolite/nephelinite) silicate melts (Dawson and Hill, 1998; Klaudius..., 2012). While highly evolved phonolite and nephelinite lavas (as well as less evolved mafic compositions)...Parat, F., Denis, C.M., Mangasini, F., 2016. Nephelinite lavas at early stage of rift lP 6. 171(7):...Petrology, 90(3-4): 199-221. 15. Dawson, J., 2012. Nephelinite–melilitite–carbonatite relationships: Evidence |  | | Journal (article/letter/editorial) | | They occur on all continents (and some oceanic islands, Hoernle et al., 2002; Schmidt and Weidendorfer...peridotite + CO2 at 3 GPa and genesis of alkalic ocean island basalts. Journal of Petrology 48, 2093– PT 2124... 43-55. Kjarsgaard, B., Peterson, T., 1991. Nephelinite-carbonatite liquid immiscibility at Shombole...anorthoclase phonolite lavas at Mount Erebus, Ross Island, Antarctica. Journal of Petrology 33, 849–875....2049-2068. RI Mitchell, R.H., 2009. Peralkaline nephelinite–natrocarbonatite immiscibility and carbonatite |  | | Journal (article/letter/editorial) | | Teide-Pico Viejo Volcanic Complex, Tenerife, Canary Islands. Journal of Petrology 39, 905-936. SC RI Beccaluva...of Mines Precambrian Research Unit, University of Cape Town, Bulletin 5, 1-235. Gaudet, M. (2013). Mineralogical...Hamilton, D.L., Peterson, T.D. (1995). Peralkaline nephelinite/carbonatite AC liquid immiscibility: comparison...(1998). Phase relations of a Carbonated High-CaO Nephelinite at 0.2 and 0.5 GPa. Journal of Petrology 39 (11-12)...Eckermann, H. (1948). The alkaline district of Alnö Island. Sveriges geol. Undersök. Ser. Ca 36, 1–176. Wall |  | Wu, Dan, Liu, Yongsheng, Chen, Chunfei, Xu, Rong, Ducea, Mihai N., Hu, Zhaochu, Zong, Keqing (2017) In-situ trace element and Sr isotopic compositions of mantle xenoliths constrain two-stage metasomatism beneath the northern North China Craton. Lithos, 288. 338-351 doi:10.1016/j.lithos.2017.07.018 | Journal (article/letter/editorial) | | marine carbonates and sources of HIMU and FOZO ocean island basalts. Lithos 216-217, 254-263. Chapman, J.B...Experiments and implications for the origin of ocean island basalts. Earth and Planetary Science 33 ACCEPTED...calciocarbonatite volcanism on Brava Island (Cape Verde): A nephelinite-carbonatite immiscibility product...carbonatites and implications for the evolution of ocean-island sources. Geochimica Et Cosmochimica Acta 52(1)...textures in mantle peridotite xenoliths from Sal Island, Cape Verde: the case for “metasomatism” by the host |  | | Book (edition) | | began a detailed geological survey of the Alné Island complex and announced his results in a series of...recognition of the carbonatitic nature of the Chilwa Island, Nyasaland, occurrence (Dixey et al., 1937), Larsen...als eine Bildung analog den Pegmatiten.” Chilwa Island in Lake Chilwa, Nyasaland, was first examined geologically...p. 2) Dixey is quoted: ‘The limestone of Chilwa Island is not a flat-lying sedimentary formation but a...GEOLOGY OF CARBONATITES Figure 1-2 View of Chilwa Island, Nyasaland;showing flat-topped, peneplained carbonatite |  | | Journal (article/letter/editorial) | | AN Kjarsgaard, B. & Peterson, T. (1991). Nephelinite-carbonatite liquid immiscibility at Shombole...of carbonatites on Brava Island (Cape ACCEPTED MANUSCRIPT Page 38 of 45 Verde) and a general model...) 7th International Kimberlite Conference. CR Cape Town: Red Roof Design, 986-988. AC CE PT ED |  | | Journal (article/letter/editorial) | | on all continents, and more scarcely on oceanic islands (Hoernle et al., 2002); they range in age from...Woolley and Bailey, 2012), or in the case of Cape Verde carbonatites, from the interaction of a deep...Origin of HIMU and EM-1 domains sampled by ocean island basalts, kimberlites and carbonatites: the role...depth of origin of oceanic carbonatites: the Cape Verde case. Geochim. Cosmochim. Acta 74, 7261–7282...D. L. and Peterson T. D. (1995) Peralkaline nephelinite/carbonatite liquid immiscibility: comparison |  | Feng, Meng, Song, Wenlei, Kynicky, Jindrich, Smith, Martin, Cox, Clinten, Kotlanova, Michaela, Brtnicky, Martin, Fu, Wei, Wei, Chunwan (2020) Primary rare earth element enrichment in carbonatites: Evidence from melt inclusions in Ulgii Khiid carbonatite, Mongolia. Ore Geology Reviews, 117. 103294 doi:10.1016/j.oregeorev.2019.103294 | Journal (article/letter/editorial) | | Wyllie, P.J., 1997. Liquid immiscibility between nephelinite and carbonatite from 1.0 to 2.5 GPa compared...leading to unmixing of carbonatites on Brava Island (Cape Verde) and a general model of carbonatite genesis |  | | Book | | Institute Katherine A. Kelley University of Rhode Island Ekaterina S. Kiseeva University College Cork Andrew...Simons Foundation Ananya Mallik University of Rhode Island Jared Marske Carnegie Institution for Science Malcolm...and CO2/Ba ratios of possibly undegassed ocean island basalts (Figure 2.3).84 This C/N ratio is similar...peridotite + CO2 at 3 GPa and genesis of alkalic ocean island basalts. J. Petrol. 48, 2093–2124 (2007). 154....mantle source characteristics of alkalic ocean island basalts. Geochem. Geophys. Geosyst. 15, 1533–1557 |
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