Hyperpycnal flows: are they sediment-gravity flows? Authors: Flávio N. de Almeida Júnior & Ronald Steel Hyperpycnal flow is a process involving the underflow of denser material through sediment-laden river currents that enter lighter ambient water, e.g., lake or seawater. Relatively …
Limestones: an essential user guide to sediments that dissolve, precipitate and grow Carbonate sedimentary rocks form through the accumulation of organisms and chemically precipitated calcium carbonate, usually on the sea floor. They preserve fragments of marine organisms, which are sensitive …
Preliminary results from apatite thermochronology and U-Pb calcite geochronology – insight into the topographic evolution of Western Norway Hestnes, Å.1, Jacobs, J.1, Drost, K.2, Dunkl, I.3, Gasser, D.4,5, Ksienzyk, A.K.5, Scheiber, T.4, Sømme, T.1,6, Mayer-Ullmann, F.1, Chew, D.2 1 …
Fracturing and force distribution during shearing in bimaterial gouges Fault gouges are amongst the main products of strain accommodation in the brittle upper crust. During shear, fracturing has a direct effect on grain size (and shape) evolution and ultimately grain-grain …
Sea level, ice sheets and the solid Earth This talk will focus on the physics of sea-level changes, glacial isostatic adjustment and solid Earth deformation following retreat of the polar ice sheets, and the implications of these changes on the …
Impact of Sedimentology in Multi-Scale Modelling of Fluvial Reservoirs For Enhanced Oil Recovery Projects (EOR): Case Studies in the Golfo San Jorge Basin Agustín Argüello Scotti, Guillermo Pedersen, Florencia Schein, Héctor Campos, Marcio Armisen, Matías Mortaloni and Walter Brinkworth Gerencia …
Quantitative analysis of faulting in the Danakil Depression Rift of Afar: the importance of faulting in the final stages of magma-rich rifting Magmatic intrusion and faulting both accommodate crustal extension in magma-rich rifts. However, quantitative constraints on the contribution of …
Reconstruction of the history of fluid flow in fault zones Fluid flow, fluid pressure and water-rock interaction are important controls on fault activity. However, the relation between fluid flow and fault activity is often difficult to quantify because of a …
Highlights of recent research from GEO: 13.00-13.15 Sebastian Wolf: Topography of mountain belts controlled by rheology and surface processes 13.15-13.30 Nele Meckler: Cenozoic evolution of deep ocean temperature from clumped isotope thermometry 13.30-13.45 Hasbi Ash Shiddiqi: Seismicity modulation due to hydrological …
Dating deformation and exhumation in orogenic settings My research career has focused on contributing to tectonic reconstructions of collisional (Himalaya, Trans-Hudson) and accretionary (Appalachian, Cordillera) orogens by constraining the timing of deformation and exhumation. To do this, I integrate structural …