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2930 data publications found
4D X-Ray CT data and surface view videos of analogue models exploring rift interaction in orthogonal and rotational extension
Zwaan, Frank | Schreurs, Guido
2020
This data set includes videos depicting the surface evolution of 29 analogue models on crustal extension, as well as 4D CT imagery (figures and videos) of two of these experiments. The experiments examined the influence of the method for driving extension (orthogonal or rotational) on the...
Effect of sieving height on density and friction of brittle analogue material: Ring-shear test data of corundum sand used for analogue experiments in the Tectonic Modelling Lab of the University of Bern (CH)
Schmid, Timothy | Schreurs, Guido | Warsitzka, Michael | Rosenau, Matthias
2019
This dataset provides friction data from ring-shear tests (RST) for a corundum sand (“NKF120”). This material is used in various types of analogue experiments in Tectonic Modelling Lab of the University of Bern as an analogue for brittle layers in the crust or lithosphere. The material has been...
Discrete Element Method model data of biaxial shear deformation
van den Ende, Martijn
2018
Owing to their destructive potential, earthquakes receive considerable attention from laboratory studies. In friction experiments, stick-slips are studied as the laboratory equivalent of natural earthquakes, and numerous attempts have been made to simulate stick-slips numerically using the...
Velocity-dependent slip weakening by the combined operation of pressure solution and foliation development
Niemeijer, Andre
2018
Phyllosilicate-bearing faults are characterized by an anastomosing foliation with intervening hard clasts and are believed to be long-term weak structures. Here, I present results of sliding experiments on gouges of 80 wt% quartz and 20 wt% muscovite, sheared under hydrothermal conditions at...
Mechanical and microstructural data used in the article Pijnenburg et al., Deformation behaviour of sandstones from the seismogenic Groningen gas field: Role of inelastic versus elastic mechanisms
Pijnenburg, Ronald | Verberne, Berend | Hangx, Suzanne | Spiers, Christopher
2015
Hydrocarbon or groundwater production from sandstone reservoirs can result in surface subsidence and induced seismicity. Subsidence results from combined elastic and inelastic compaction of the reservoir due to a change in the effective stress state upon fluid extraction. The magnitude of...
Experimental and model data of aggregate compaction by pressure solution
van den Ende, Martijn
2017
Intergranular pressure solution creep is an important deformation mechanism in the Earth’s crust. The phenomenon has been frequently studied and several analytical models have been proposed that describe its constitutive behavior. These models require assumptions regarding the geometry of the...
Compaction creep data uniaxial compaction of quartz sand in various chemical environments
Schimmel, Mariska | Hangx, Suzanne | Spiers, Chris
2019
We studied the effect of pore fluid chemistry on compaction creep in quartz sand aggregates, as an analogue for clean, highly porous, quartz-rich reservoir sands and sandstone. Creep is specifically addressed, because it is not yet well understood and can potentially cause reservoir...
Mechanical data and microstructures of simulated calcite fault gouge sheared at 550°C
Verberne, Berend Antonie | Chen, Jianye | Pennock, Gillian
2017
The largest magnitude earthquakes nucleate at depths near the base of the seismogenic zone, near the transition from velocity weakening frictional slip to velocity strengthening ductile flow. However, the mechanisms controlling this transition, and relevant to earthquake nucleation, remain...
Low palaeolatitude of Late Proterozoic glaciation: early timing of remanence in haematite of the Elatina Formation, South Australia (Dataset)
P.W. Schmidt | G.E. Williams | B.J.J. Embleton
2006
Paleomagnetic, rock magnetic, or geomagnetic data found in the MagIC data repository from a paper titled: Low palaeolatitude of Late Proterozoic glaciation: early timing of remanence in haematite of the Elatina Formation, South Australia
Mechanical and microstructural data used in: “Inelastic deformation of the Slochteren sandstone: Stress-strain relations and implications for induced seismicity in the Groningen gas field"
Pijnenburg, Ronald | Verberne, Berend | Hangx, Suzanne | Spiers, Christopher
2019
Pore pressure reduction in sandstone reservoirs generally leads to small elastic plus inelastic strains. These small strains (0.1 – 1.0% in total) may lead to surface subsidence and induced seismicity. In current geomechanical models, the inelastic component is usually neglected, though its...