589 Works

Investigating seasonal mobility of Irish Giant Deer Megaloceros giganteus (Blumenbach, 1799) through intra-tooth multi-isotope analysis

David S. Douw & Tom J. Giltaij
Utrecht University, The Netherlands (1) Geologisch Museum Hofland, The Netherlands (2)

The Giant Deer Megaloceros giganteus (Blumenbach, 1799) is an icon of the Ice Age due to their famous antlers, although there has been little focus on isotopic analysis of these animals. migrational behaviour in these animals has been suggested, mainly due to this behaviour being common in deer species today. Migrational behaviour and seasonal movement is analysed in three Giant Deer from Ireland...

From mountain chains to grains: Tracing Alpine erosion using sedimentary provenance analysis

Laura Stutenbecker
TU Darmstadt

MP4-file (136 MB, 55 min, 18 sec.

Lithospheric architecture from amphibious AlpArray data across the Ligurian Basin

Anke Dannowski (1), Martin Thorwart, 2) Kopp, Grazia Caielli (3), Roberto de Franco (3), Ingo Grevemeyer (3), Dietrich Lange (1), Felix Wolf (1), Wayne Crawford (4), Anne Paul (5), Wayne Crawford (4), M'SM71 cruise participants (6) & AlpArray Working Group (6)
GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel, Germany (1); CAU, Christian Albrechts Universität zu Kiel, Germany (2); IDPA-CNR, Istituto per la dinamica dei processi ambientali, Sezione di Milano, Milano, Italy (3); IPGP, Institut de Physique du Globe de Paris, Laboratoire de Géosciences Marines, Paris, France (4); ISTerre, Institut des Sciences de la Terre, Université Grenoble, Grenoble, France (5); AlpArray Working Group: http://www.alparray.ethz.ch (6)

The Ligurian Basin is located north-west of Corsica at the transition from...

Effect of deformation localization on the anisotropy of magnetic susceptibility in natural shear zone

Vladimír Kolář Kusbach, Matěj Machek & Zuzana Roxerová
Institute of Geophysics of the Czech Academy of Sciences, Czech Republic

We derived the relationship between AMS and strain in a marble shear zone by combining rock magnetic studies, detailed microstructural analysis and CPO-based numerical modelling of the AMS. AMS ellipsoids are characterised by k1 orientation as being at a high angle to the primary fabric and experience gradual rotation towards the SZ plane with increasing strain. The k1 orientation is consistent with the...

Think or Sink: unravelling anthropogenic causes of subsidence with a hybrid AI approach

Thibault G.G. Candela, Joana C. Esteves Martins, Peter A. Fokker, Aris Lourens, Willem Dabekaussen, Wilfred F.J. Visser, Erik A.F. Langius, Madelon S. Molhoek, Matthias S. Fath, Andrei Bocin-Dumitriu & Kay Koster
TNO Applied Geosciences (1); TNO Advisory Group for Economic Affairs (2); TNO Geomodelling (3); TNO Geo Data and IT (4); TNO Monitoring and Control Services (5); TNO Data Science (6)

The Netherlands is subject to anthropogenic and natural subsidence with rates which are an order of magnitude higher than sea-level rise. Because one-third of the Netherlands lies below mean sea level, subsidence may threaten the country’s subsistence with major socio-economic consequences. Subsidence is a...

Active engagement of students by means of class exercises

Hans de Bresser
Utrecht University, the Netherlands, The Netherlands

In order to improve student learning during lectures on location, students can be actively engaged by giving short class-exercises. Class exercises are just one of the many ways of making lectures more interactive. A good source of inspiration regarding interactive lectures is formed by the quick start-up guides presented at https://serc.carleton.edu/onramps/index.html (NSF funded project). I have ample experience with class exercises in a Structural Geology and Tectonics...

Deep geothermal potentials of Hesse as derived from geological 3D models and thermo-hydraulic simulations

Nora Koltzer, Judith Bott, Kristian Bär, Maximilian Frick, Mauro Cacace & Magdalena Scheck-Wenderoth
GFZ German Research Centre for Geosciences (1), Germany; TU Darmstadt (2)

Geothermal power plants require reservoirs of high temperature, high flow rates and sustainable recharge. Typically, there is a trade-off between increasing temperatures and decreasing fluid availability (due to pore space limitations) with depth. Predictions of the working conditions in reservoir formations at greater depth are challenging due to uncertainties in the underlying geology and because of the complex interaction of heat and fluid...

Applying astrochronology to reconstruct sedimentation rate and time from downhole logging data at Lake Chalco, Central México

Mehrdad Sardar Abadi, Christian Zeeden, Arne Ulfers, Katja Hesse & Thomas Wonik
LIAG, Leibniz Institute for Applied Geophysics, Germany

Understanding the evolution of lower latitude climate from the most recent glacial period of the latest Pleistocene to post glacial warmth in the continental tropical regions has been obstructed by a lack of continuous time series. Here we present results from a lacustrine record from tropical North America. Specifically, we examine sediments from Lake Chalco, located in the Valley of Mexico, central Mexico (19°30’N, 99°W). The basin...

Morphotectonic analysis of the drainage basins on the western border of Lut Desert

Raziye Bashiri, Farzaneh Hashemi , Reza Derakhshani & Shahram Shafieibafti
Department of Geology, Shahid Bahonar University of Kerman, Iran (1); Department of Earth Sciences, Utrecht University, Utrecht, The Netherlands (2) Morphotectonic indices are useful for investigating the effect of tectonic activity in a region. Analysing of these indicators could be applied for zoning an area by using advantages of Geographical Information System, GIS, especially for areas where few morphotectonic studies have been conducted. An example of such areas is the southern end of Nayband Fault...

Alpine lithospheric strength and its relation to seismicity distribution

Cameron Spooner, Magdalena Scheck-Wenderoth & Mauro Cacace
GFZ Potsdam, Germany (1); Potsdam University, Germany (2); RWTH Aachen University, Germany (3)

Despite the amount of research focused on the Alpine orogen, different hypotheses still exist regarding varying seismicity distribution patterns throughout the numerous crustal blocks of different physical properties that comprise the region. The thermal field, also varying as a consequence of heterogeneous lithospheric properties, is a key controlling factor for rock strength via thermally activated creep and it exerts a first...

Exhumation pulses in the Southern Patagonian Andes (Torres del Paine, 51°S)

Nevena Andrić-Tomasevic, Sarah Falkowski, Alireza Aghakhani & Todd A. Ehlers
University of Tuebingen, Germany

The Cenozoic exhumational evolution of the Southern Patagonian Andes and its potential tectonic and climatic controls remain poorly constrained. Here, we integrate 21 new and 73 published bedrock thermochronological ages with 3D thermo-kinematic modelling (Pecube) to quantify exhumation pulses in the Torres del Paine area. This approach is used to identify temporal and spatial variations in exhumation rates before and after the start of Late Miocene glaciation. Our new...

Unraveling sub-seismic interwell-scale facies heterogeneity of Late Jurassic Arab D Member - Clues from outcrop analogue study to develop high-resolution reservoir models

Gaurav Siddharth Gairola, Pankaj Khanna, Ahmad Ihsan Ramdani & Volker Vahrenkamp
King Abdullah University of Science and Technology, Saudi Arabia

Even though the Late Jurassic Arab-D reservoir is the most prolific oil-producing and one of the most studied intervals in the world, it is a major challenge resolving sub-seismic interwell-scale heterogeneities. In the subsurface, in addition to depositional heterogeneities, diagenetic alteration of depositional fabric developed five distinct dolomite types. They vary highly in reservoir properties ranging from flow baffle to Super K further adding complexity...

Geology - Where? - Horizon Europe and possible approaches to research opportunities in the EU

Andreas Nikolaus Küppers
The Potsdam Conventus, Germany Embedded in a large structure of legislative and administrative processes, the new research and innovation framework program of the European Union 'Horizon Europe' promises to offer vast opportunities for research and scientific progress in Earth System Sciences. While optimistic voices in the EU Commission and the European Parliament expect the program to start by 2021, last until 2027 and to come with an overall budget of more than 100 Billion Euro,...

Did volcanoes erupting in estuaries (Moodies Group, Barberton Greenstone Belt, BGB) serve as microbiological cradles during the Archean?

Deon Janse van Rensburg, Sebastian Reimann (2), Christoph Heubeck (1), Andreas Zametzer (2) & Paul Fugmann (3)
FSU Jena, Germany (1); Curtin University, Australia (2); Université de Liège, Belgium (3)

The Moodies Group is classically described as a synorogenic sequence of quartz-rich sandstone, conglomerate, fine-grained sediments with subordinate ferruginous sediments and volcanic components. A prominent basaltic lava (MdL) approx. mid-section marks BGB-wide changes in facies trends, tectonic regime, and sandstone petrographic composition. This unit is the surface expression of the large Moodies Igneous Complex (MIC) which, aside from the basaltic lava...

The ROBOMINERS approach to mining small and difficult to access deposits

Luís Lopes
La Palma Research Centre, Belgium

The ROBOMINERS project, funded under the EU Horizon 2020 programme, Grant Agreement no. 820971, is developing an innovative solution for the exploitation of small and difficult to access deposits in Europe. This approach is based on a modular, exchangeable robot miner vision. The miner is capable of performing selective mining autonomously while supported by state-of-the-art sensors and capabilities from robotics, raw materials and related areas. Still at the...

Tourism at Historic Mining Sites in Europe

Eoin McGrath, Tim Workman & Des Johnston
Geological Survey Ireland, Ireland

Europe has a long mining history dating back to the Bronze Age (3300 - 1200 BC). Early mining activity was carried out in a primitive manner and only relatively high grade mineralization was worked. Many developments have taken place since then up to the present day. In addition, the range of commodities mined has greatly expanded over this time period and include ornamental stone, industrial minerals, fuel minerals as...

Decadal sea surface temperature variability in the Eastern Mediterranean during the Last Interglacial

Igor Obreht, David De Vleeschouwer, Lars Wörmer, Michal Kucera, Devika Varma, Thomas Laepple, Jenny Wendt, Matthias Prange, Sri D. Nandini-Weiss, Hartmut Schulz & Kai-Uwe Hinrichs
MARUM, University of Bremen, Germany (1); Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Germany (2); University of Tübingen, Germany

Precise future predictions of Mediterranean sea surface temperature (SST) variability as one of the most sensitive regions to climate change are hampered by insufficient knowledge of accurate SST reconstructions in resolution relevant for human time-scales from warmer-than-present periods. The Last Interglacial (LIG; ~130,000 to 116,000 years ago) is the most recent...

A novel Augmented Reality Sandbox for Outreach and Education in Geoscience

Daniel Escallón Botero, Simon Virgo & Florian Wellmann
RWTH Aachen University, Germany (1); Teranigma Solutions GmbH (2)

Seeing Geology is hard! To build an intuitive understanding of complex 3 dimensional structures in the subsurface requires a lot of training. To make this experience more accessible, we present here a concept for haptic interaction with geological models in 3-D, through a link of advanced geological modeling with an augmented reality (AR)-sandbox. Augmented Reality Sandboxes are interactive devices in which a sculptable sand...

Thermal memory of sedimentary basins: case study from the Central European Basin System

Maximilian Frick, Mauro Cacace , Uwe Mikolajewicz & Magdalena Scheck-Wenderoth
Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum GFZ, Germany (1); Max-Planck-Institute for Meteorology, Hamburg, Germany (2); RWTH Aachen, Faculty of Georesources and Material Engineering, Aachen, Germany (3)

This study deals with modelling the distribution of the subsurface temperature in space and the respective evolution in time in response to variations in the thermal boundary condition starting from the last glacial maximum (LGM, 26 ka BP). The aim here is to better understand (i) the feedback mechanisms between...

Interplay of deposition and soil formation in an Upper Triassic playa landscape

Wolfgang Schirmer
Heinrich-Heine University, Germany

The Upper Triassic Burgsandstein (Löwenstein Formation) in Franconia presents a fossil desertlike playa landscape with episodic supply of clastic material. It occurs as sheet wash and river deposits. A tight interplay of deposition and soil formation evidences longer periods of standstill with soil formation and shorter periods of fine to coarse clastic alluvial and fluvial deposition. While in shales tight bedding with unconformities veil the frequent and real change of...

Inherited Tectonics and the Control on Late Devonian Deposition in the Intracratonic Williston Basin, USA and Canada

Michael H Hofmann
University of Montana, United States of America

The Williston Basin is an intracratonic basin in Canada and the USA, located atop the structurally complex suture zone between the Archean Superior province to the east and the Archean basement of the Wyoming structural provinces to the west. The basin in general has a very homogeneous subsidence history throughout most of the Paleozoic, that can be largely explained by simple thermal subsidence. This simple subsidence model...

Late Cretaceous-Tertiary tectonic inversion of northeastern Asian continental margin: insight from the low temperature thermochronology in NE China

Jianping Zhou , Dunkl Dunkl Istvan , Yongjiang Liu , Weimin Li & Hilmar von Eynatten
University of Göttingen, Geoscience Center, Department of Sedimentology and Environmental Geology,Göttingen, Germany (1); Key Lab of Submarine Geoscience and Prospecting Techniques, MOE, Institute for Advanced Ocean Study, College of Marine Geosciences, Ocean University of China, Qingdao, China (2); Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China (3); College of Earth Sciences, Jilin University, Jianshe Str. 2199, Changchun 130061, Jilin, China (4)

The Cretaceous Songliao basin in Northeast...

Astronomical climate forcing of ~2.5 Ga banded iron formations

Margriet L. Lantink, Joshua H. F. L. Davies, Rick Hennekam, Frederik J. Hilgen, David McB. Martin, Paul R. D. Mason, Gert-Jan Reichart & Urs Schaltegger
Utrecht University, The Netherlands (1); Université du Québec à Montréal, Canada (2); University of Geneva, Switzerland (3); Royal Netherlands Institute for Sea Research, and Utrecht University, The Netherlands (4; Geological Survey of Western Australia (5)

Large-scale banded iron formations (BIFs) were deposited during Neoarchean to early Paleoproterozoic and have been mainly linked to hydrothermal plume activity and the rise of oxygen in the ocean and atmosphere. However, the potential influence of astronomical “Milankovitch”...

Modelling of fault slip: beyond Mohr-Coulomb?

Mauro Cacace, Guido Blöcher, Antoine B. Jacquey, Hannes Hofmann, Arno Zang , Günter Zimmermann, Oliver Heidbach, Christian Kluge & Magdalena Scheck-Wenderoth
GFZ, German Research Centre for Geosciences, Potsdam, Germany (1); MIT, Massachussets Institute of Technology, Cambridge, MA, USA (2); RWTH Aachen University, Aachen, Germany (3)

In this study, we carry out an evaluation of the potential for induced seismicity arising from hydraulic stimulation of low to intermediate enthalpy porous reservoirs, by taking the geothermal reservoir of Groß Schönebeck (northern Germany) as study case. The aim is to evaluate the spatial and temporal distribution of 26...

Virtual Fieldtrips in Shell Learning Development: Carbonates in Oman

Mia Steenwinkel & Young Kon Yong
Rock-It Geological Consultancy Training, Locquetstraat 11, Hombeek, Belgium (1); Shell, The Netherlands (2)

Training courses in the industry are changing from face-to-face events to virtual equivalents. Although real-life field experience is missing in virtual trips, the main benefit is the availability of online training where and when needed, without travel and logistics costs. Acquiring 3D panoramic images for this purpose, as well as drone footage in geological outcrops, has nowadays become more and more...

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