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21 Research products, page 1 of 3

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  • Solid Earth (SE)

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  • Open Access English
    Authors: 
    Lavallée, Yan; Miwa, Takahiro; Ashworth, James D.; Wallace, Paul A.; Kendrick, Jackie E.; Coats, Rebecca; Lamur, Anthony; Hornby, Adrian; Hess, Kai-Uwe; Matsushima, Takeshi; +4 more
    Project: EC | SLIM (306488)

    The permeability of magma in volcanic conduits controls the fluid flow and pore pressure development that regulates gas emissions and the style of volcanic eruptions. The architecture of the permeable porous structure is subject to changes as magma deforms and outgasses...

  • Open Access English
    Authors: 
    Demurtas, Matteo; Smith, Steven A.F.; Spagnuolo, Elena; Toro, Giulio;
    Project: EC | NOFEAR (614705)

    Calcite and dolomite are the two most common minerals in carbonate-bearing faults and shear zones. Motivated by observations of exhumed seismogenic faults in the Italian Central Apennines, we used a rotary-shear apparatus to investigate the frictional and microstructura...

  • Open Access English
    Authors: 
    Mansard, Nicolas; Stünitz, Holger; Raimbourg, Hugues; Précigout, Jacques; Plunder, Alexis; Nègre, Lucille;
    Project: EC | RHEOLITH (290864)

    Syn-kinematic mineral reactions play an important role for the mechanical properties of polymineralic rocks. Mineral reactions (i.e., nucleation of new phases) may lead to grain size reduction, producing fine-grained polymineralic mixtures, which have a strongly reduced...

  • Open Access English
    Authors: 
    Bakker, Elisenda; Bresser, Johannes H. P.;
    Project: EC | ULTIMATECO2 (281196)

    We aimed to evaluate various factors that control the frictional and transport properties of gouge-filled faults cutting carbonate-bearing shales or claystone formations. The research experimentally determined the effect of shear displacement, dynamic shearing, static h...

  • Open Access English
    Authors: 
    Miocic, Johannes M.; Johnson, Gareth; Gilfillan, Stuart M. V.;
    Project: UKRI | Investigating the role of... (NE/G015163/1), UKRI | UK Carbon Capture and Sto... (EP/P026214/1), UKRI | UKCCSRC - The United King... (EP/K000446/1), EC | PANACEA (282900)

    Travertine deposits present above the St. Johns Dome natural CO2 reservoir in Arizona, USA, document a long (>400 kyr) history of surface leakage of CO2 from a subsurface reservoir. These deposits are concentrated along surface traces of faults, implying that ...

  • Open Access English
    Authors: 
    Miocic, Johannes M.; Johnson, Gareth; Bond, Clare E.;
    Project: EC | PANACEA (282900)

    Faults can act as barriers to fluid flow in sedimentary basins, hindering the migration of buoyant fluids in the subsurface, trapping them in reservoirs, and facilitating the build-up of vertical fluid columns. The maximum height of these columns is reliant on the reten...

  • Open Access English
    Authors: 
    Rieder, Maximilian; Wegner, Wencke; Horschinegg, Monika; Klackl, Stefanie; Preto, Nereo; Breda, Anna; Gier, Susanne; Klötzli, Urs; Bernasconi, Stefano M.; Arp, Gernot; +1 more
    Project: EC | TRIADOL (626025)

    The geochemical conditions conducive to dolomite formation in shallow evaporitic environments along the Triassic Tethyan margin are still poorly understood. Large parts of the Triassic dolomites in the Austroalpine and the southern Alpine realm are affected by late diag...

  • Open Access English
    Authors: 
    Skyttä, P.; Bauer, T.; Hermansson, T.; Dehghannejad, M.; Juhlin, C.; García Juanatey, M.; Hübert, J.; Weihed, P.;
    Project: EC | PROMINE (228559)

    Structural analysis of the Palaeoproterozoic volcanogenic massive sulfide (VMS) hosting Kristineberg area, Sweden, constrained by existing magnetotelluric (MT) and seismic reflection data, reveals that the complex geometry characterized by non-cylindrical antiformal str...

  • Open Access English
    Authors: 
    Lamb, O. D.; Angelis, S.; Umakoshi, K.; Hornby, A. J.; Kendrick, J. E.; Lavallée, Y.;
    Project: EC | SLIM (306488)

    Rhythmic seismicity associated with spine extrusion is a well-documented phenomenon at a number of dome-forming volcanic systems. At Unzen volcano, Japan, a 4-year dome-forming eruption concluded with the emplacement of a spine from October 1994 to February 1995, offeri...

  • Open Access English
    Authors: 
    Dingwell, Donald B.; Lavallée, Yan; Hess, Kai-Uwe; Flaws, Asher; Marti, Joan; Nichols, Alexander R. L.; Gilg, H. Albert; Schillinger, Burkhard;
    Project: EC | SLIM (306488), EC | EVOKES (247076)

    Understanding the physicochemical conditions extant and mechanisms operative during explosive volcanism is essential for reliable forecasting and mitigation of volcanic events. Rhyolitic pumices reflect highly vesiculated magma whose bubbles can serve as a strain indica...