Search Results - "Kranendonk, J"

Rapid emergence of life shown by discovery of 3,700-million-year-old microbial structures by Nutman, Allen P., Bennett, Vickie C., Friend, Clark R. L., Van Kranendonk, Martin J., Chivas, Allan R.

“…Stromatolite fossils formed around 3,700 million years ago in what is now Greenland predate the previous oldest fossil evidence for life on Earth by more than…”
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Earliest signs of life on land preserved in ca. 3.5 Ga hot spring deposits by Djokic, Tara, Van Kranendonk, Martin J., Campbell, Kathleen A., Walter, Malcolm R., Ward, Colin R.

“…The ca. 3.48 Ga Dresser Formation, Pilbara Craton, Western Australia, is well known for hosting some of Earth’s earliest convincing evidence of life…”
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Microbial life and biogeochemical cycling on land 3,220 million years ago by Homann, Martin, Sansjofre, Pierre, Van Zuilen, Mark, Heubeck, Christoph, Gong, Jian, Killingsworth, Bryan, Foster, Ian S., Airo, Alessandro, Van Kranendonk, Martin J., Ader, Magali, Lalonde, Stefan V.

“…The colonization of emergent continental landmass by microbial life was an evolutionary step of paramount importance in Earth history. Here we report direct…”
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Onset of Plate Tectonics by Van Kranendonk, Martin J.

“…Analysis of diamonds from the subcontinental mantle reveals that plate tectonics started 3 billion years ago. The further back we look into the geological…”
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Globally asynchronous sulphur isotope signals require re-definition of the Great Oxidation Event by Philippot, Pascal, Ávila, Janaína N., Killingsworth, Bryan A., Tessalina, Svetlana, Baton, Franck, Caquineau, Tom, Muller, Elodie, Pecoits, Ernesto, Cartigny, Pierre, Lalonde, Stefan V., Ireland, Trevor R., Thomazo, Christophe, van Kranendonk, Martin J., Busigny, Vincent

“…The Great Oxidation Event (GOE) has been defined as the time interval when sufficient atmospheric oxygen accumulated to prevent the generation and preservation…”
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Conditioned duality of the Earth system: Geochemical tracing of the supercontinent cycle through Earth history by Van Kranendonk, Martin J., Kirkland, Christopher L.

“…The balance between constructive versus destructive processes in the formation and recycling of continental crust over Earth history – or crustal growth –…”
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Cool greenstone drips and the role of partial convective overturn in Barberton greenstone belt evolution by Van Kranendonk, Martin J.

“…► Re-assessment of geological data from Barberton greenstone belt. ► Subduction–accretion did not contribute to crust formation. ► Structural geology and…”
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The Juvenile Hafnium Isotope Signal as a Record of Supercontinent Cycles by Gardiner, Nicholas J., Kirkland, Christopher L., Van Kranendonk, Martin J.

“…Hf isotope ratios measured in igneous zircon are controlled by magmatic source, which may be linked to tectonic setting. Over the 200–500 Myr periodicity of…”
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Ideas and perspectives: hydrothermally driven redistribution and sequestration of early Archaean biomass – the “hydrothermal pump hypothesis” by Duda, Jan-Peter, Thiel, Volker, Bauersachs, Thorsten, Mißbach, Helge, Reinhardt, Manuel, Schäfer, Nadine, Van Kranendonk, Martin J, Reitner, Joachim

“…Archaean hydrothermal chert veins commonly contain abundant organic carbon of uncertain origin (abiotic vs. biotic). In this study, we analysed kerogen…”
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Early Archaean Microorganisms Preferred Elemental Sulfur, Not Sulfate by Philippot, Pascal, Van Zuilen, Mark, Lepot, Kevin, Thomazo, Christophe, Farquhar, James, Van Kranendonk, Martin J

“…Microscopic sulfides with low ³⁴S/³²S ratios in marine sulfate deposits from the 3490-million-yearold Dresser Formation, Australia, have been interpreted as…”
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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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Genomic adaptations enabling Acidithiobacillus distribution across wide-ranging hot spring temperatures and pHs by Sriaporn, Chanenath, Campbell, Kathleen A., Van Kranendonk, Martin J., Handley, Kim M.

“…Background Terrestrial hot spring settings span a broad spectrum of physicochemistries. Physicochemical parameters, such as pH and temperature, are key factors…”
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CYP2C19 genotype-guided antithrombotic treatment versus conventional clopidogrel therapy in peripheral arterial disease: study design of a randomized controlled trial (GENPAD) by Kranendonk, J, Willems, LH, Vijver-Coppen, RJ. van der, Coenen, M., Adang, E., Donders, R., Zeebregts, CJ, Deneer, VHM, Reijnen, MMPJ, Kramers, C, Warlé, MC

“…Clopidogrel is recommended in international guidelines to prevent arterial thrombotic events in patients with peripheral arterial disease (PAD). Clopidogrel…”
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Constraining atmospheric oxygen and seawater sulfate concentrations during Paleoproterozoic glaciation: In situ sulfur three-isotope microanalysis of pyrite from the Turee Creek Group, Western Australia by Williford, Kenneth H., Van Kranendonk, Martin J., Ushikubo, Takayuki, Kozdon, Reinhard, Valley, John W.

“…Previous efforts to constrain the timing of Paleoproterozoic atmospheric oxygenation have documented the disappearance of large, mass-independent sulfur…”
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An anoxic, Fe(II)-rich, U-poor ocean 3.46 billion years ago by Li, Weiqiang, Czaja, Andrew D., Van Kranendonk, Martin J., Beard, Brian L., Roden, Eric E., Johnson, Clark M.

“…The oxidation state of the atmosphere and oceans on the early Earth remains controversial. Although it is accepted by many workers that the Archean atmosphere…”
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A crystallographic study of crystalline casts and pseudomorphs from the 3.5 Ga Dresser Formation, Pilbara Craton (Australia) by Otálora, Fermin, Mazurier, A., Garcia-Ruiz, J. M., Van Kranendonk, M. J., Kotopoulou, E., El Albani, A., Garrido, C. J.

“…Crystallography has a long history of providing knowledge and methods for applications in other disciplines. The identification of minerals using X‐ray…”
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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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A Rare Glimpse of Paleoarchean Life: Geobiology of an Exceptionally Preserved Microbial Mat Facies from the 3.4 Ga Strelley Pool Formation, Western Australia by Duda, Jan-Peter, Van Kranendonk, Martin J, Thiel, Volker, Ionescu, Danny, Strauss, Harald, Schäfer, Nadine, Reitner, Joachim

“…Paleoarchean rocks from the Pilbara Craton of Western Australia provide a variety of clues to the existence of early life on Earth, such as stromatolites,…”
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Sulfur-cycling fossil bacteria from the 1.8-Ga Duck Creek Formation provide promising evidence of evolution's null hypothesis by Schopf, J. William, Kudryavtsev, Anatoliy B., Walter, Malcolm R., Van Kranendonk, Martin J., Williford, Kenneth H., Kozdon, Reinhard, Valley, John W., Gallardo, Victor A., Espinoza, Carola, Flannery, David T.

“…The recent discovery of a deep-water sulfur-cycling microbial biota in the ∼2.3-Ga Western Australian Turee Creek Group opened a new window to life's early…”
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Self-Assembled Silica-Carbonate Structures and Detection of Ancient Microfossils by García-Ruiz, J. M., Hyde, S. T., Carnerup, A. M., Christy, A. G., Van Kranendonk, M. J., Welham, N. J.

“…We have synthesized inorganic micron-sized filaments, whose microstucture consists of silica-coated nanometer-sized carbonate crystals, arranged with strong…”
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