 | Santos, Anderson C., Geraldes, Mauro C., Siebel, Wolfgang, Mendes, Julio, Bongiolo, Everton, Santos, Werlem H, Garrido, Thais C. V., Rodrigues, Sergio W. O. (2019) Pleistocene alkaline rocks of Martin Vaz volcano, South Atlantic: low-degree partial melts of a CO2-metasomatized mantle plume. International Geology Review, 61 (3) 296-313 doi:10.1080/00206814.2018.1425921 | Journal (article/letter/editorial) | | com/loi/tigr20 Pleistocene alkaline rocks of Martin Vaz volcano, South Atlantic: low-degree partial melts...Rodrigues (2018): Pleistocene alkaline rocks of Martin Vaz volcano, South Atlantic: low-degree partial melts...Crossmark data Full Terms & Conditions of access and use can be found at http://tandfonline.com/actio...1425921 ARTICLE Pleistocene alkaline rocks of Martin Vaz volcano, South Atlantic: low-degree partial melts...Bongioloc, Werlem H Santosa, Thais C. V. Garridoa and Sergio W. O. Rodriguesa a Faculdade de Geologia, |  | | Journal (article/letter/editorial) | | Redox Equilibria in Alkaline Lavas from Trindade Island, Brazil IGOR D. RYABCHIKOV Institute of Geology...Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences, Moscow 109017, Russia AND LlYA N . KOGARKO...KOGARKO Vernadskiy Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow...reactions between two pyroxenes and the melt. The activities of MgSi0 2 and FeSi0 2 are calculated from the...possible (considering the activities of olivine and titanomagnetite components of the rocks) to normalize/(0 |  | | Book | | de Luxembourg With 106 Figures and 95 Tables =e in the text and on 8 Folders 1970 GEBRUDER BORNTRAEGER...character- ized, with scarce an exception, by vulcanism, and the yulcanological evolution, rock suites, geomorphological...intimate acquaintance with all the Atlantic islands, and there is every reason to believe this applies even...southern islands separate, for reasons given above, and no less to furnish a volume of reasonable magnitude...under the national jurisdiction of four countries — Brazil, Portugal, Spain, Great Britain — have geological |  | Schultz, Frank, Lehmann, Bernd, Tawackoli, Sohrab, Rössling, Reinhard, Belyatsky, Boris, Dulski, Peter (2004) Carbonatite diversity in the Central Andes: the Ayopaya alkaline province, Bolivia. Contributions to Mineralogy and Petrology, 148 (4) 391-408 doi:10.1007/s00410-004-0612-0 | Journal (article/letter/editorial) | | melilititic, nephelinitic to basanitic dykes and diatremes, and a variety of alkaline dykes. The carbonatites...petrographic and geochemical spectrum. The Cerro Sapo area hosts a small calciocarbonatite intrusion and a multitude...multitude of ferrocarbonatitic dykes and lenses in association with a nepheline-syenitic stock. The stock...flatter REE distribution pattern (La/Yb 95–160) and higher Nb and Zr contents. The sodalite-ankerite-baryte...Schultz Æ B. Lehmann (&) Institute of Mineralogy and Mineral Resources, Technical University of Clausthal |  | | Journal (article/letter/editorial) | | (Grimaldi Seamounts) S. G. Skolotnev, V. V. Petrova, and A. A. Peyve Geological Institute, Russian Academy...composition, geochemistry, isotopic characteristics, and age of rocks from the Carter Seamount of the Grimaldi...Together with other seamounts of the Grimaldi system and the Nadir Seamount, it forms a “hot line” related...is made up of olivine melilitites, ankaramites, and analcimebearing nepheline tephrites, which are differentiated...the oceanic crust, which was formed at 113–115 Ma, and earlier magma chambers. The rocks were altered by |  | Azzone, Rogério Guitarrari, Montecinos Munoz, Patricio, Enrich, Gaston Eduardo Rojas, Alves, Adriana, Ruberti, Excelso, Gomes, Celsode Barros (2016) Petrographic, geochemical and isotopic evidence of crustal assimilation processes in the Ponte Nova alkaline mafic–ultramafic massif, SE Brazil. Lithos, 260. 58-75 doi:10.1016/j.lithos.2016.05.004 | Journal (article/letter/editorial) | | Petrographic, geochemical and isotopic evidence of crustal assimilation processes in...Ponte Nova alkaline mafic-ultramafic massif, SE Brazil R.G. Azzone, P. Montecinos Munoz, G.E.R. Enrich...Ruberti, E., Gomes, C.B., Petrographic, geochemical and isotopic evidence of crustal assimilation processes...the Ponte Nova alkaline mafic-ultramafic massif, SE Brazil, LITHOS (2016), doi: 10.1016/j.lithos.2016.05.004...manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published |  | | Journal (article/letter/editorial) | | Vol. 70(4), pp. 347–359 Compositional evolution and cryptic variation in pyroxenes of the peralkaline...Peninsula, Russia L. N. KOGARKO1, C. T. WILLIAMS2,* 1 2 AND A. R. WOOLLEY2 Vernadsky Institute, Kosygin Street...relatively continuous trend from diopside containing 15 20% hedenbergite and 10 12% aegirine components, to...intrusion with an increase in Na, Fe3+ and Ti and decrease in Ca and Mg. The compositional evolution of the...interval of pyroxene crystallization is very wide and probably extends from 970 to 450ºC. The redox conditions |  | | Journal (article/letter/editorial) | | Svisero Chemical and Os isotopic study of Cretaceous potassic rocks from Southern Brazil Received: 5 February...southern border of the São Francisco craton of Brazil. This magmatic activity includes carbonatite, kimberlite...kimberlite, lamprophyre, lamproite, syenite and the largest known example of extrusive kamafugite, the...magmatism, and their geochemical history, an Os isotope study along with major and trace element and Sr, Nd...Nd and Pb isotope analyses of kimberlitic, lamproitic and kamafugitic rocks from the Alto Paranaı́ba province |  | | Journal (article/letter/editorial) | | Magmatic System and Genesis of Abiogenic Hydrocarbons in Alkaline Plutons I. D. Ryabchikova and L. N. Kogarkob...Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences, Staromonetnyi...119017 Russia b Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences...Received October 10, 2008 Abstract—The temperature and redox conditions of the crystallization of rocks...analysis of coexisting magnetite, ilmenite, titanite, and pyroxene. Under redox conditions characteristic of |  | | Journal (article/letter/editorial) | | elsevier.com/locate/lithos Magnetite compositions and oxygen fugacities of the Khibina magmatic system...titanite + clinopyroxene + nepheline + alkali feldspar and magnetite + titanite+ clinopyroxene + nepheline +...Ti-rich varieties crystallized at higher temperatures and slightly lower ΔQMF values, whereas more Ti-poor...However, even at higher orthomagmatic temperatures and redox conditions corresponding to ΔQMF = 0, the hydrogen...migrate to colder parts of a solidifying magma chamber and trigger Fischer-Tropsch-type reactions there. We |  | | Journal (article/letter/editorial) | | Ryabchikova and L. N. Kogarkob a Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry...iryab@igem.ru b Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences...minerals (magnetite, ilmenite, titanite, and pyroxene), the temperature and redox conditions of rock crystallization...ëé2 in fluid and carbonate anions in melt at high temperatures; then, graphite formation; and, at lower...the main parameters of the evolution of the Earth and other cosmic bodies. It controls the behavior of |  | | Journal (article/letter/editorial) | | Ryabchikova and L. N. Kogarkob a Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry...iryab@igem.ru b Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences...olivinebearing rocks of the Guli intrusion, and olivine and clinopyroxene microphenocrysts from interstitial...xenoliths containing metal alloys from Sal Island, Cape Verde Archipelago. It was shown that oxygen fugacity...hydrocarbons even at the presence of elemental carbon and low oxygen fugacity. The most probable mechanism |  | | Journal (article/letter/editorial) | | alkaline-carbonatite complex of Jacupiranga (Brazil): Magma genesis and mode of emplacement Luigi Beccaluva,...alkaline-carbonatite complex of Jacupiranga (Brazil): Magma genesis and mode of emplacement, Gondwana Research...manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published...may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain...alkaline-carbonatite complex of Jacupiranga (Brazil): magma genesis and IP T mode of emplacement SC R Luigi |  | | Book | | A CLASSIFICATION AND GLOSSARY OF TERMS Decades of field and microscope studies and more recent quantitative...have resulted in a vast, and sometimes overwhelming, array of nomenclature and terminology associated with...agreement on their usage, and reassess the methods by which we categorize and name igneous rocks. This...This book presents the results of their work and gives a complete classification of igneous rocks based on... lamprophyres and charnockites. It also demonstrates how the more common plutonic and volcanic rocks |  | | Book | | in Earth and Environmental Sciences Nikolay Vladykin Editor Alkaline Rocks, Kimberlites and Carbonatites:...Carbonatites: Geochemistry and Genesis Proceedings of the XV International Seminar “Deep-Seated magmatism, Its...Its Sources and Plumes”, 1–7 September 2019, Russia, Saki. Springer Proceedings in Earth and Environmental...Proceedings in Earth and Environmental Sciences publishes proceedings from scholarly meetings and workshops on...on all topics related to Environmental and Earth Sciences and related sciences. This series constitutes |
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