Search Results - "Muntener, Othmar"

Polybaric fractional crystallisation of arc magmas: an experimental study simulating trans-crustal magmatic systems by Marxer, Felix, Ulmer, Peter, Müntener, Othmar

“…Crystallisation-driven differentiation is one fundamental mechanism proposed to control the compositional evolution of magmas. In this experimental study, we…”
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The Role of Peritectic Biotite for the Chemical and Mechanical Differentiation of Felsic Plutonic Rocks (Western Adamello, Italy) by Grocolas, Thomas, Müntener, Othmar

“…Abstract The volcanic–plutonic connection plays a fundamental role for magmatic systems, linking crystallising plutons, volcanic activity, volatile exsolution…”
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Experimentally Derived Intermediate to Silica-rich Arc Magmas by Fractional and Equilibrium Crystallization at 1·0 GPa: an Evaluation of Phase Relationships, Compositions, Liquid Lines of Descent and Oxygen Fugacity by Ulmer, Peter, Kaegi, Ralf, Müntener, Othmar

“…Abstract Differentiation of hydrous primary, mantle-derived magmas is a fundamental process to generate evolved intermediate to SiO2-rich compositions forming…”
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Fractional crystallization of primitive, hydrous arc magmas: an experimental study at 0.7 GPa by Nandedkar, Rohit H., Ulmer, Peter, Müntener, Othmar

“…Differentiation of mantle-derived, hydrous, basaltic magmas is a fundamental process to produce evolved intermediate to SiO 2 -rich magmas that form the bulk…”
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Making Andesites and the Continental Crust: Mind the Step When Wet by Reubi, Olivier, Müntener, Othmar

“…ABSTRACT Andesites are iconic of subduction zone magmatism. Yet intermediate magmas (57–66 wt % SiO2) are less abundant than generally thought in arc settings…”
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Residence time of igneous garnet in Si-rich magmatic systems: Insights from diffusion modeling of major and trace elements by Devoir, Arnaud, Bloch, Elias, Müntener, Othmar

“…Although garnet is an important accessory phase in many granitic rocks, the petrogenetic history of such garnets is often debated. Explanations range from…”
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Ascent-driven differentiation: a mechanism to keep arc magmas metaluminous? by Marxer, Felix, Ulmer, Peter, Müntener, Othmar

“…Arc magmatism is fundamental to the generation of new continental or island arc crust. However, the mechanisms that add to the chemical complexity of natural…”
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Amphibole–melt trace element partitioning of fractionating calc-alkaline magmas in the lower crust: an experimental study by Nandedkar, Rohit H., Hürlimann, Niklaus, Ulmer, Peter, Müntener, Othmar

“…Amphibole is one of the most important hydrous minerals of the middle and lower continental crust and plays a key role in the formation of intermediate to…”
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Evidence for ancient fractional melting, cryptic refertilization and rapid exhumation of Tethyan mantle (Civrari Ophiolite, NW Italy) by McCarthy, Anders, Müntener, Othmar

“…Western Tethyan peridotites exposed in the European Alps show limited amounts of partial melting and mostly fertile compositions. Here we investigate the…”
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Thinning mechanisms of heterogeneous continental lithosphere by Petri, Benoît, Duretz, Thibault, Mohn, Geoffroy, Schmalholz, Stefan M., Karner, Garry D., Müntener, Othmar

“…The mechanisms responsible for the formation of extremely thinned continental crust (<10 km thick) and lithosphere during rifting remains debated. Observations…”
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Small quantity but large effect — How minor phases control strain localization in upper mantle shear zones by Linckens, Jolien, Herwegh, Marco, Müntener, Othmar

“…Low viscosity domains such as localized shear zones exert an important control on the geodynamics of the uppermost mantle. Grain size reduction and subsequent…”
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Enriched Basaltic Andesites from Mid-crustal Fractional Crystallization, Recharge, and Assimilation (Pilavo Volcano, Western Cordillera of Ecuador) by Chiaradia, Massimo, Müntener, Othmar, Beate, Bernardo

“…The origin of andesite is an important issue in petrology because andesite is the main eruptive product at convergent margins, corresponds to the average…”
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A case for hornblende dominated fractionation of arc magmas: the Chelan Complex (Washington Cascades) by Dessimoz, Mathias, Müntener, Othmar, Ulmer, Peter

“…Amphibole fractionation in the deep roots of subduction-related magmatic arcs is a fundamental process for the generation of the continental crust. Field…”
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Igneous garnet and amphibole fractionation in the roots of island arcs: experimental constraints on andesitic liquids by Alonso-Perez, Raquel, Müntener, Othmar, Ulmer, Peter

“…To evaluate the role of garnet and amphibole fractionation at conditions relevant for the crystallization of magmas in the roots of island arcs, a series of…”
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A type sequence across an ancient magma-poor ocean–continent transition: the example of the western Alpine Tethys ophiolites by Manatschal, Gianreto, Müntener, Othmar

“…The ophiolites from the Alpine Tethys are incompatible with the definition of the classical 3-layered Penrose ophiolite sequence, but they also show features…”
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H diffusion in orthopyroxene and the retention of mantle water signatures by Demers-Roberge, Alexandra, Jollands, Michael C., Tollan, Peter, Müntener, Othmar

“…Natural gem quality orthopyroxene crystals were experimentally dehydrated between 720 °C and 1020 °C, varying silica activity (buffered by…”
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The role of serpentinization and magmatism in the formation of decoupling interfaces at magma-poor rifted margins by Gillard, Morgane, Tugend, Julie, Müntener, Othmar, Manatschal, Gianreto, Karner, Garry D., Autin, Julia, Sauter, Daniel, Figueredo, Patricio H., Ulrich, Marc

“…In spite of recent progress in the understanding of magma-poor rifted margins, the processes leading to the formation and evolution of the exhumed mantle…”
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The mantle source of island arc magmatism during early subduction: Evidence from Hf isotopes in rutile from the Jijal Complex (Kohistan arc, Pakistan) by Ewing, Tanya A., Müntener, Othmar

“…The Cretaceous–Paleogene Kohistan arc complex, northern Pakistan, is renowned as one of the most complete sections through a preserved paleo-island arc. The…”
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Alkaline magmas in shallow arc plutonic roots: a field and experimental investigation of hydrous cumulate melting in the southern Adamello batholith by Pimenta Silva, Manuel, Marxer, Felix, Keller, Tobias, Giuliani, Andrea, Ulmer, Peter, Müntener, Othmar

“…Despite the first-order importance of crystallisation–differentiation for arc magma evolution, several other processes contribute to their compositional…”
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Control and Study of the Stoichiometry in Evaporated Perovskite Solar Cells by Teuscher, Joël, Ulianov, Alexey, Müntener, Othmar, Grätzel, Michael, Tétreault, Nicolas

“…Herein, we present the precise stoichiometric control of methlyammonium lead iodide perovskite thin‐films using high vacuum dual‐source vapor‐phase deposition…”
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