Ti K-edge XANES study on the coordination number and oxidation state of Titanium in pyroxene, olivine, armalcolite, ilmenite, and silicate glass during mare basalt petrogenesis
Leitzke, F. P., Fonseca, R. O. C., Göttlicher, J., Steininger, R., Jahn, S., Prescher, C., Lagos, M.
Published in Contributions to mineralogy and petrology (01.12.2018)
Published in Contributions to mineralogy and petrology (01.12.2018)
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Journal Article
Mineralogical Controls on the Ti Isotope Composition of Subduction Zone Magmas
Kommescher, S., Kurzweil, F., Fonseca, R. O. C., Rzehak, L. J. A., Hohl, S. V., Kirchenbaur, M., Schuth, S., Sprung, P., Münker, C.
Published in Geochemistry, geophysics, geosystems : G3 (01.08.2023)
Published in Geochemistry, geophysics, geosystems : G3 (01.08.2023)
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Petrogenesis of alkaline basalt-hosted sapphire megacrysts. Petrological and geochemical investigations of in situ sapphire occurrences from the Siebengebirge Volcanic Field, Germany
Baldwin, L. C., Tomaschek, F., Ballhaus, C., Gerdes, A., Fonseca, R. O. C., Wirth, R., Geisler, T., Nagel, T.
Published in Contributions to mineralogy and petrology (01.06.2017)
Published in Contributions to mineralogy and petrology (01.06.2017)
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Micro-analytical uranium isotope and chemical investigations of zircon crystals from the Chernobyl “lava” and their nuclear fuel inclusions
Pöml, P., Burakov, B., Geisler, T., Walker, C.T., Grange, M.L., Nemchin, A.A., Berndt, J., Fonseca, R.O.C., Bottomley, P.D.W., Hasnaoui, R.
Published in Journal of nuclear materials (01.08.2013)
Published in Journal of nuclear materials (01.08.2013)
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Journal Article
Competing effects of crystal chemistry and silicate melt composition on trace element behavior in magmatic systems: insights from crystal/silicate melt partitioning of the REE, HFSE, Sn, In, Ga, Ba, Pt and Rh
Michely, L. T., Leitzke, F. P., Speelmanns, I. M., Fonseca, R. O. C.
Published in Contributions to mineralogy and petrology (01.06.2017)
Published in Contributions to mineralogy and petrology (01.06.2017)
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Journal Article
Timing of high-pressure metamorphic events in the Bulgarian Rhodopes from Lu–Hf garnet geochronology
Kirchenbaur, M., Pleuger, J., Jahn-Awe, S., Nagel, T. J., Froitzheim, N., Fonseca, R. O. C., Münker, C.
Published in Contributions to mineralogy and petrology (01.05.2012)
Published in Contributions to mineralogy and petrology (01.05.2012)
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Role of crustal assimilation and basement compositions in the petrogenesis of differentiated intraplate volcanic rocks: a case study from the Siebengebirge Volcanic Field, Germany
Schneider, K. P., Kirchenbaur, M., Fonseca, R. O. C., Kasper, H. U., Münker, C., Froitzheim, N.
Published in Contributions to mineralogy and petrology (01.06.2016)
Published in Contributions to mineralogy and petrology (01.06.2016)
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Partitioning of Se, As, Sb, Te and Bi between monosulfide solid solution and sulfide melt – Application to magmatic sulfide deposits
Helmy, Hassan M., Ballhaus, Chris, Wohlgemuth-Ueberwasser, Cora, Fonseca, Raúl O.C., Laurenz, Vera
Published in Geochimica et cosmochimica acta (01.11.2010)
Published in Geochimica et cosmochimica acta (01.11.2010)
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The geological record of base metal sulfides in the cratonic mantle: A microscale 187Os/188Os study of peridotite xenoliths from Somerset Island, Rae Craton (Canada)
Bragagni, A., Luguet, A., Fonseca, R.O.C., Pearson, D.G., Lorand, J.-P., Nowell, G.M., Kjarsgaard, B.A.
Published in Geochimica et cosmochimica acta (01.11.2017)
Published in Geochimica et cosmochimica acta (01.11.2017)
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Lu–Hf geochronology of ultra-high-pressure eclogites from the Tromsø-Nappe, Scandinavian Caledonides: evidence for rapid subduction and exhumation
Fassmer, K., Martinet, I., Miladinova, I., Sprung, P., Froitzheim, N., Fonseca, R. O. C., Münker, C., Janák, M., Kullerud, K.
Published in International journal of earth sciences : Geologische Rundschau (01.07.2020)
Published in International journal of earth sciences : Geologische Rundschau (01.07.2020)
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Journal Article
Ultra-high pressure and ultra-reduced minerals in ophiolites may form by lightning strikes
Ballhaus, C., Wirth, R., Fonseca, R.O.C., Blanchard, H., Pröll, W., Bragagni, A., Nagel, T., Schreiber, A., Dittrich, S., Thome, V., Hezel, D.C., Below, R., Cieszynski, H.
Published in Geochemical perspectives letters (01.01.2017)
Published in Geochemical perspectives letters (01.01.2017)
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Mesoarchean melting and Neoarchean to Paleoproterozoic metasomatism during the formation of the cratonic mantle keel beneath West Greenland
van Acken, D., Luguet, A., Pearson, D.G., Nowell, G.M., Fonseca, R.O.C., Nagel, T.J., Schulz, T.
Published in Geochimica et cosmochimica acta (15.04.2017)
Published in Geochimica et cosmochimica acta (15.04.2017)
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Journal Article
Nanoscale variations in 187Os isotopic composition and HSE systematics in a Bultfontein peridotite
Wainwright, A.N., Luguet, A., Schreiber, A., Fonseca, R.O.C., Nowell, G.M., Lorand, J.-P., Wirth, R., Janney, P.E.
Published in Earth and planetary science letters (01.08.2016)
Published in Earth and planetary science letters (01.08.2016)
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Journal Article
Re-Os and HSE in individual base metal sulfide grains: Evaluating micro-analytical procedures using a sulfide reference material
Bragagni, A., van Acken, D., Fonseca, R.O.C., Speelmanns, I.M., Wainwright, A.N., Heuser, A., Nowell, G.M., Luguet, A.
Published in Chemical geology (20.08.2018)
Published in Chemical geology (20.08.2018)
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Reply to Comment on “Ultra-high pressure and ultra-reduced minerals in ophiolites may form by lightning strikes” by Griffin et al., 2018: No evidence for transition zone metamorphism in the Luobusa ophiolite
Ballhaus, C., Fonseca, R.O.C., Bragagni, A.
Published in Geochemical perspectives letters (01.01.2018)
Published in Geochemical perspectives letters (01.01.2018)
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