 | Santos, Anderson Costa, Mohriak, Webster Ueipass, Geraldes, Mauro Cesar, Santos, Werlem Holanda, Ponte-Neto, Cosme Ferreira, Stanton, Natasha (2019) Compiled potential field data and seismic surveys across the Eastern Brazilian continental margin integrated with new magnetometric profiles and stratigraphic configuration for Trindade Island, South Atlantic, Brazil. International Geology Review, 61 (14) 1728-1744 doi:10.1080/00206814.2018.1542634 | Journal (article/letter/editorial) | | tandfonline.com/loi/tigr20 Compiled potential field data and seismic surveys across the Eastern Brazilian continental...magnetometric profiles and stratigraphic configuration for Trindade Island, South Atlantic, Brazil Anderson Costa...Natasha Stanton (2018): Compiled potential field data and seismic surveys across the Eastern Brazilian continental...magnetometric profiles and stratigraphic configuration for Trindade Island, South Atlantic, Brazil, International...Crossmark data Full Terms & Conditions of access and use can be found at http://www.tandfonline.com/a |  | 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) | | nlrlocaterlithos Geochemical evidence for the Trindade hotspot trace: Columbia seamount ankaramite R...) , B.B. Hanan b a Department of Marine, Earth and Atmospheric Sciences, North Carolina State UniÕersity...offshore from Brazil at ; 208S lies on the east–west ‘trace’ of the Trindade hotspot. Continental and oceanic...hotspot is alkalic and SiO 2-undersaturated, and dates from ; 85 Ma in southern Brazil to - 3 Ma on the...the islands of Trindade and Martin Vaz ; 1100 km offshore. An ankaramite Žclinopyroxene ; 16 vol%. dredged |  | | Journal (article/letter/editorial) | | TectonoMagmatic Seamount Chaines in the Brazil Basin A. A. Peyve and S. G. Skolotnev Geological Institute...tectonomagmatic rises in the Brazil Basin indicate that volcanic rocks in the Vitoria–Trindade seamount chain were...whole structure, includ ing the Trindade and Martin Vaz Islands and the Abrolhos Plateau. The analogous...explained by a similar mechanism of melt derivation and the similar evolution of the mantle plume material...the parental melts of volcanics at the Victoria–Trindade Seamounts were derived at lower degrees of melting |  | | Journal (article/letter/editorial) | | Academician of the RAS L. N. Kogarko, V. A. Lebedev, and L. K. Levskii Received August 30, 2006 DOI: 10....1134/S1028334X07010199 New data on age and isotopic characteristics of alkaline magmatism in the hot...Fernando de Noronha Archipelago is situated 345 km away from the Atlantic coast of Brazil and is confined to...the west by the Rocas atoll, a chain of seamounts, and occurrences of alkaline magmatism on the continent...of volcanic rocks in the Fernando de Noronha Archipelago was proposed by Almeida [1] who recognized the |  | | 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 |  | Gomes, Celso de Barros, Comin-Chiaramonti, Piero, Azzone, Rogério Guitarrari, Ruberti, Excelso, Rojas, Gaston Eduardo Enrich (2018) Cretaceous carbonatites of the southeastern Brazilian Platform: a review. Brazilian Journal of Geology, 48 (2) 317-345 doi:10.1590/2317-4889201820170123 | Journal (article/letter/editorial) | | alkaline-carbonatitic rocks of Brazilian, Paraguayan and Bolivian terrains. Although 30 such occurrences are...Cretaceous age, with two well-defined Lower Cretaceous and Upper Cretaceous generation episodes. A clear tectonic...ancient structural features such as archs, lineaments and faults characterizes most cases. The rocks exhibit...associated with the topographic level of emplacement and low-temperature H2O-CO2 rich fluids responsible for...for the increased amount of heavy carbon and oxygen. Sr-Nd isotopic compositions similar to those of |  | 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) | | 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) | | 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 |
|
