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New high-resolution age data from the Ediacaran-Cambrian boundary indicate rapid, ecologically driven onset of the Cambrian explosion Linnemann, Ulf; Ovtcharova, Maria; Schaltegger, Urs; Gärtner, Andreas; ... Smith, Jeff 2019
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Pluton construction and deformation in the Sveconorwegian crust of SW Norway: Magnetic fabric and U-Pb geochronology of the Kleivan and Sjelset granitic complexes Bolle, Olivier; Diot, Hervé; Auwera, Jacqueline Vander; Dembele, Aliou; ... Schaltegger, Urs 2018
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High temperature (>350 °C) thermal histories of the long lived (>500 Ma) active margin of Ecuador and Colombia: Apatite, titanite and rutile U-Pb thermochronology Paul, André Navin; Spikings, Richard Alan; Ulianov, Alexey; Ovtcharova, Maria 2018
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Zircon petrochronology reveals the timescale and mechanism of anatectic magma formation Farina, Federico; Dini, Andréa; Davies, Joshua; Ovtcharova, Maria; ... Schaltegger, Urs 2018
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GZ7 and GZ8 - Two Zircon Reference Materials for SIMS U-Pb Geochronology Nasdala, Lutz; Corfu, Fernando; Schoene, Blair; Tapster, Simon R.; ... Giester, Gerald 2018
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Dating the Paleoproterozoic snowball Earth glaciations using contemporaneous subglacial hydrothermal systems Zakharov, D.O.; Bindeman, I.N.; Slabunov, A.I.; Ovtcharova, Maria; ... Schaltegger, Urs 2017
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Long-lived, stationary magmatism and pulsed porphyry systems during Tethyan subduction to post-collision evolution in the southernmost Lesser Caucasus, Armenia and Nakhitchevan Moritz, Robert; Rezeau, Hervé; Ovtcharova, Maria; Tayan, Rodrik; ... Putlitz, Benita 2016
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Primary Magmas in Continental Arcs and their Differentiated Products: Petrology of a Post-plutonic Dyke Suite in the Tertiary Adamello Batholith (Alps) Hürlimann, Niklaus; Muntener, Othmar; Ulmer, Peter; Nandedkar, Rohit; ... Ovtcharova, Maria 2016
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High-Resolution Geochronology of the Coroccohuayco Porphyry-Skarn Deposit, Peru: A Rapid Product of the Incaic Orogeny Chelle-Michou, Cyril; Chiaradia, Massimo; Selby, David; Ovtcharova, Maria; Spikings, Richard Alan 2015
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Timing of porphyry (Cu-Mo) and base metal (Zn-Pb-Ag-Cu) mineralisation in a magmatic-hydrothermal system—Morococha district, Peru Catchpole, Honza; Kouzmanov, Kalin; Bendezu Juarez, Aldo; Ovtcharova, Maria; ... Fontboté, Lluis 2015
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REE Mineralization of the Blockspruit Fluorite Prospect, Bushveld Granitic Complex, South Africa: Geochemical, Mineralogical and Fluid Inclusion Studies Hoshino, Mihoko; Moritz, Robert; Ovtcharova, Maria; Watanabe, Yasushi; ... Putlitz, Benita 2015
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Tethyan Subduction to Post-Subduction Magmatic Evolution and Pulsed Porphyry Cu-Mo Deposit Emplacement in the Southernmost Lesser Caucasus Moritz, Robert; Rezeau, Hervé; Ovtcharova, Maria; Hovakimyan, Samvel; ... Putlitz, Benita 2015
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The Bushveld Complex was emplaced and cooled in less than one million years – results of zirconology, and geotectonic implications Zeh, Armin; Ovtcharova, Maria; Wilson, Allan H.; Schaltegger, Urs 2015
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Developing a strategy for accurate definition of a geological boundary through radio-isotopic and biochronological dating: The Early–Middle Triassic boundary (South China) Ovtcharova, Maria; Goudemand, Nicolas; Hammer, Øyvind; Guodun, Kuang; ... Bucher, Hugo 2015
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Megacrystic zircon with planar fractures in miaskite-type nepheline pegmatites formed at high pressures in the lower crust (Ivrea Zone, southern Alps, Switzerland) Schaltegger, Urs; Ulianov, Alexey; Muntener, Othmar; Ovtcharova, Maria; ... Girlanda, F. 2015
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Geochronology of a composite granitoid pluton: a high-precision ID-TIMS U–Pb zircon study of the Variscan Karkonosze Granite (SW Poland) Kryza, Ryszard; Schaltegger, Urs; Oberc-Dziedzic, Teresa; Pin, Christian; Ovtcharova, Maria 2014
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Zircon petrochronology reveals the temporal link between porphyry systems and the magmatic evolution of their hidden plutonic roots (The Eocene Coroccohuayco deposit, Peru) Chelle-Michou, Cyril; Chiaradia, Massimo; Ovtcharova, Maria; Ulianov, Alexey; Wotzlaw, Joern Frederik 2014
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Evaluating the temporal link between the Karoo LIP and climatic–biologic events of the Toarcian Stage with high-precision U–Pb geochronology Sell, Bryan; Ovtcharova, Maria; Guex, Jean; Bartolini, Annachiara; ... Schaltegger, Urs 2014
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Mass Spectrometry in Earth Sciences: The Precise and Accurate Measurement of Time Schaltegger, Urs; Wotzlaw, Joern Frederik; Ovtcharova, Maria; Chiaradia, Massimo; Spikings, Richard Alan 2014
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Timing of incremental pluton construction and magmatic activity in a back-arc setting revealed by ID-TIMS U/Pb and Hf isotopes on complex zircon grains Barboni, Mélanie; Schoene, Blair; Ovtcharova, Maria; Bussy, François; ... Gerdes, Axel 2013
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How Accurately Can We Date the Duration of Magmatic-Hydrothermal Events in Porphyry Systems? Chiaradia, Massimo; Schaltegger, Urs; Spikings, Richard Alan; Wotzlaw, Joern Frederik; Ovtcharova, Maria 2013
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Peri-Gondwanan Ordovician crustal fragments in the high-grade basement of the Eastern Rhodope Massif, Bulgaria: evidence from U-Pb LA-ICP-MS zircon geochronology and geochemistry Bonev, Nikolay; Ovtcharova, Maria; Moritz, Robert; Marchev, Peter; Ulianov, Alexey 2013
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New high-precision U–Pb dates from western European Carboniferous tuffs;implications for time scale calibration, the periodicity of late Carboniferous cycles and stratigraphical correlation Pointon, Michael A.; Chew, David M.; Ovtcharova, Maria; Sevastopulo, George D.; Crowley, Quentin G. 2012
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Time resolved construction of a bimodal laccolith (Torres del Paine, Patagonia) Leuthold, Julien; Muntener, Othmar; Baumgartner, Lukas; Putlitz, Benita; ... Schaltegger, Urs 2012
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Cenozoic granitoids in the Dinarides of southern Serbia: age of intrusion, isotope geochemistry, exhumation history and significance for the geodynamic evolution of the Balkan Peninsula Schefer, Senecio; Cvetković, Vladica; Fügenschuh, Bernhard; Kounov, Alexandre; ... Schmid, Stefan M. 2011
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Timing of juvenile arc crust formation and evolution in the Sapat Complex (Kohistan–Pakistan) Bouilhol, Pierre; Schaltegger, Urs; Chiaradia, Massimo; Ovtcharova, Maria; ... Dawood, Hamid 2011
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Lifetime of an ocean island volcano feeder zone: constraints from U-Pb dating on coexisting zircon and baddeleyite, and Ar-40/Ar-39 age determinations, Fuerteventura, Canary Islands Allibon, James; Ovtcharova, Maria; Bussy, François; Cosca, Michael; ... Lewin, Éric 2011
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40Ar/39Ar and U-Pb geochronology of the Iran Tepe volcanic complex, Eastern Rhodopes Marchev, Peter; Kibarov, Peter; Spikings, Richard Alan; Ovtcharova, Maria; ... Moritz, Robert 2010
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Zircon and titanite recording 1.5 million years of magma accretion, crystallization and initial cooling in a composite pluton (southern Adamello batholith, northern Italy) Schaltegger, Urs; Brack, Peter; Ovtcharova, Maria; Peytcheva, Irena; ... Bargossi, Giuseppe M. 2009
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Bracketing the age of magmatic-hydrothermal activity at the Cerro de Pasco epithermal polymetallic deposit, central Peru: A U-Pb and 40Ar/39Ar study Baumgartner Bendezu, Regina Monika; Fontboté, Lluis; Spikings, Richard Alan; Ovtcharova, Maria; ... Gutjahr, M. 2009
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U-Pb zircon age of volcaniclastic layers in Middle Triassic platform carbonates of the Austroalpine Silvretta nappe (Switzerland) Furrer, Heinz; Schaltegger, Urs; Ovtcharova, Maria; Meister, Patrick 2008
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U-Pb and 40Ar/39Ar age constraints for the timing of magmatism and mineralization in the giant Toromocho porphyry Cu-Mo deposit, central Peru Kouzmanov, Kalin; Ovtcharova, Maria; von Quadt, A; Guillong, M.; ... Rivera, L. 2008
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Incremental growth of the Patagonian Torres del Paine laccolith over 90 k.y Michel, Jürgen; Baumgartner, Lukas; Putlitz, Benita; Schaltegger, Urs; Ovtcharova, Maria 2008
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Timing of the Early Triassic carbon cycle perturbations inferred from new U-Pb ages and ammonoid biochronozones Galfetti, Thomas; Bucher, Hugo; Ovtcharova, Maria; Schaltegger, Urs; ... Guodun, Kuang 2007
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New Early to Middle Triassic U-Pb ages from South China: Calibration with ammonoid biochronozones and implications for the timing of the Triassic biotic recovery Ovtcharova, Maria; Bucher, Hugo; Schaltegger, Urs; Galfetti, Thomas; ... Guex, Jean 2006