Search Results - "Baumgartner, Raphael"

Numerical modelling of erosion and assimilation of sulfur-rich substrate by martian lava flows: Implications for the genesis of massive sulfide mineralization on Mars by Baumgartner, Raphael J., Baratoux, David, Gaillard, Fabrice, Fiorentini, Marco L.

“…•Numerical modelling of sulfide deposit genesis in martian lava flows.•Erosion and assimilation of sulfidic substrate triggers sulfide batch…”
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Taphonomy of microorganisms and microbial microtextures at sulfidic hydrothermal vents: A case study from the Roman Ruins black smokers, Eastern Manus Basin by Baumgartner, Raphael J., Hu, Siyu, Kranendonk, Martin J., Verrall, Michael

“…Biological activity at deep‐sea hydrothermal chimneys is driven by chemotrophic microorganisms that metabolize chemicals from the venting high‐temperature…”
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Biogeochemistry of Recently Fossilized Siliceous Hot Spring Sinters from Yellowstone, USA by Teece, Bronwyn L, Havig, Jeff R, George, Simon C, Hamilton, Trinity L, Baumgartner, Raphael J, Hartz, Julie, Van Kranendonk, Martin J

“…Active hot springs are dynamic geobiologically active environments. Heat- and element-enriched fluids form hot spring sinter deposits that are inhabited by…”
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Pyritic stromatolites from the Paleoarchean Dresser Formation, Pilbara Craton: Resolving biogenicity and hydrothermally influenced ecosystem dynamics by Baumgartner, Raphael J., Van Kranendonk, Martin J., Caruso, Stefano, Campbell, Kathleen A., Dobson, Michaela J., Teece, Bronwyn L., Verrall, Michael, Homann, Martin, Lalonde, Stefan, Visscher, Pieter T.

“…This study investigates the paleobiological significance of pyritic stromatolites from the 3.48 billion‐year‐old Dresser Formation, Pilbara Craton. By…”
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The role of sulfides in the fractionation of highly siderophile and chalcophile elements during the formation of martian shergottite meteorites by Baumgartner, Raphael J., Fiorentini, Marco L., Lorand, Jean-Pierre, Baratoux, David, Zaccarini, Federica, Ferrière, Ludovic, Prašek, Marko K., Sener, Kerim

“…The shergottite meteorites are ultramafic to mafic igneous rocks whose parental magmas formed from partial melting of the martian mantle. This study reports…”
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Formation of micro‐spherulitic barite in association with organic matter within sulfidized stromatolites of the 3.48 billion‐year‐old Dresser Formation, Pilbara Craton by Baumgartner, Raphael J., Van Kranendonk, Martin J., Fiorentini, Marco L., Pagès, Anais, Wacey, David, Kong, Charlie, Saunders, Martin, Ryan, Chris

“…The shallow marine and subaerial sedimentary and hydrothermal rocks of the ~3.48 billion‐year‐old Dresser Formation are host to some of Earth's oldest…”
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The variability of ruthenium in chromite from chassignite and olivine‐phyric shergottite meteorites: New insights into the behavior of PGE and sulfur in Martian magmatic systems by Baumgartner, Raphael J., Fiorentini, Marco L., Baratoux, David, Ferrière, Ludovic, Locmelis, Marek, Tomkins, Andrew, Sener, Kerim A.

“…The Martian meteorites comprise mantle‐derived mafic to ultramafic rocks that formed in shallow intrusions and/or lava flows. This study reports the first…”
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Long-Term Efficacy and Safety of Modified Canaloplasty Versus Trabeculectomy in Open-Angle Glaucoma by Stingl, Julia V, Wagner, Felix M, Liebezeit, Sarah, Baumgartner, Raphael, Spät, Helene, Schuster, Alexander K, Prokosch, Verena, Grehn, Franz, Hoffmann, Esther M

“…To evaluate the long-term efficacy and safety of modified canaloplasty versus trabeculectomy in open-angle glaucoma. In total, 210 subjects with open-angle…”
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The mobilization of boron and lithium in the hydrothermal system of the ∼3.48 Ga Dresser caldera: A stable isotope perspective by Caruso, Stefano, Baumgartner, Raphael J., Van Kranendonk, Martin J., Fiorentini, Marco L., Dosseto, Anthony

“…Voluminous hydrothermal circulation in the ∼3.48 Ga Dresser caldera produced zoned alteration haloes around major fluid pathways. Specifically, in the North…”
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The role of magmatic fluids in the ~3.48 Ga Dresser Caldera, Pilbara Craton: New insights from the geochemical investigation of hydrothermal alteration by Caruso, Stefano, Van Kranendonk, Martin J., Baumgartner, Raphael J., Fiorentini, Marco L., Forster, Margaret A.

“…•~3.48 Ga hydrothermal alteration preserved after 3 subsequent thermal overprints.•Alteration distribution is spatially controlled by the distance to the…”
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The geochemistry of zinc and copper stable isotopes in marine hydrothermal brine pools: Perspectives from metalliferous sediments of the Atlantis II Deep, Red Sea by Baumgartner, Raphael J., Hu, Siyu, Petersen, Sven, Liu, Sheng-Ao, Li, Dandan, Kunzmann, Marcus

“…This study provides a zinc and copper stable isotope characterization (δ66Zn, δ68Zn, and δ65Cu) of metalliferous seafloor sediments from the Atlantis II Deep,…”
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Accumulation of transition metals and metalloids in sulfidized stromatolites of the 3.48 billion–year–old Dresser Formation, Pilbara Craton by Baumgartner, Raphael J., Van Kranendonk, Martin J., Pagès, Anais, Fiorentini, Marco L., Wacey, David, Ryan, Chris

“…•Primary accumulations of transition metals and metalloids in Archean stromatolites.•Element distributions and concentrations correlate with microbial growth…”
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Sulfidization of 3.48 billion-year-old stromatolites of the Dresser Formation, Pilbara Craton: Constraints from in-situ sulfur isotope analysis of pyrite by Baumgartner, Raphael J., Caruso, Stefano, Fiorentini, Marco L., Van Kranendonk, Martin J., Martin, Laure, Jeon, Heejin, Pagès, Anais, Wacey, David

“…This study reports in–situ sulfur isotope analyses (32S, 33S, 34S and 36S) of pyrite in strongly sulfidized stromatolites from the ~3.48 billion–year–old…”
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Siderophile and chalcophile elements in spinels, sulphides and native Ni in strongly metasomatised xenoliths from the Bultfontein kimberlite (South Africa) by Aulbach, Sonja, Giuliani, Andrea, Fiorentini, Marco L., Baumgartner, Raphael J., Savard, Dany, Kamenetsky, Vadim S., Caruso, Stefano, Danyushevky, Leonid V., Powell, Will, Griffin, William L.

“…The metasomatised continental mantle may play a key role in the generation of some ore deposits, in particular mineral systems enriched in platinum-group…”
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The fluid evolution of the Nimbus Ag-Zn-(Au) deposit: An interplay between mantle plume and microbial activity by Caruso, Stefano, Fiorentini, Marco L., Hollis, Steven P., LaFlamme, Crystal, Baumgartner, Raphael J., Steadman, Jeffrey A., Savard, Dany

“…•The bimodal fluid evolution of an Archean VHMS deposit.•The hydrothermal system was dominated in the early stage by seawater sulfate.•Remnants of C-rich of…”
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Exceptional preservation of organic matter and iron-organic colloidal mineralization in hydrothermal black smoker-type sulfide mineralization from the Paleoarchean seafloor by Baumgartner, Raphael J., Teece, Bronwyn L., Rasmussen, Birger, Muhling, Janet, Rickard, William D.A., Pejcic, Bobby, Hu, Siyu, Bourdet, Julien, Caruso, Stefano, Van Kranendonk, Martin J., Grice, Kliti

“…Fossil organic matter (OM) in Paleoarchean rocks is an invaluable tracer of ancient life, yet it is often contentious due to low preservation potentials of its…”
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Understanding the emplacement of Martian volcanic rocks using petrofabrics of the nakhlite meteorites by Daly, Luke, Piazolo, Sandra, Lee, Martin R., Griffin, Sammy, Chung, Peter, Campanale, Fabrizio, Cohen, Benjamin E., Hallis, Lydia J., Trimby, Patrick W., Baumgartner, Raphael, Forman, Lucy V., Benedix, Gretchen K.

“…In order to validate calculated ages of the Martian crust we require precise radiometric dates from igneous rocks where their provenance on the Martian surface…”
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Can the Magmatic Conditions of the Martian Nakhlites be Discerned via Investigation of Clinopyroxene and Olivine Intracrystalline Misorientations? by Griffin, S., Daly, L., Piazolo, S., Forman, L. V., Cohen, B. E., Lee, M. R., Trimby, P. W., Baumgartner, R. J., Benedix, G. K., Hoefnagels, B.

“…Deformation is a near ubiquitous process that is observed within nearly all naturally forming rocks. Electron backscatter diffraction (EBSD) is a technique…”
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Constraints on the Emplacement of Martian Nakhlite Igneous Rocks and Their Source Volcano From Advanced Micro‐Petrofabric Analysis by Griffin, S., Daly, L., Keller, T., Piazolo, S., Forman, L. V., Lee, M. R., Baumgartner, R. J., Trimby, P. W., Benedix, G. K., Irving, A. J., Hoefnagels, B.

“…The Martian nakhlite meteorites, which represent multiple events that belong to a single magma source region represent a key opportunity to study the evolution…”
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