Browsing 11. Symposium "Tektonik, Struktur- und Kristallingeologie" , 2006-03 by Title
Now showing items 63-82 of 111
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Microfabrics and deformation processes in magmatic veins of the Thuringian Forest, Germany
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The research area is located in the Ruhla-Brotterode crystalline complex in the western part of the Thuringian Forest (Germany), about 20km southsouthwest of Eisenach. The investigated outcrops occur at the eastern and ... -
Microfabrics and textures of quartzites of the Indiavaí- Lucialva shear zone, SW Amazonian Craton: preliminary conclusions
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The purpose of this contribution is to present preliminary results regarding the kinematics and deformation conditions of the Indiavaí-Lucialva Shear Zone, based on the analysis of the texture and microfabrics of ... -
Microstructural analysis of the RWTH-1 cores in thinsections
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The Aachen RWTH-1 well was drilled to 2544mTVD for geothermal purposes and gives substance to extensive geoscientific research. It is located in a hydrothermally and seismically active area of the Aachen Anticline, 500m ... -
Microstructural evidence of impact-induced crystalplastic deformation and postshock annealing of quartz
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)During impact, rocks at the surface and accessible depths encounter extreme conditions. The hydrostatic component of the shock wave-associatedstress, the so-called shock pressure, canreach several tens of GPa in the central ... -
Microstructures of fibrous halite veins
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)Halite veins hosted in clastic sedimentary rocks are frequently observed next to evaporite layers. Their microstructure can be enhanced by gamma irradiation and etching, which can be used to infer the deformation mechanism of ... -
Mikrostruktur und Textur nach Scherverformungsversuchen an Hämatiterzen
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)Die Beziehungen zwischen der Mikrostruktur und der kristallografischen Vorzugsorientierung (Textur) von Hämatiterzen der gebänderten Eisenerzformation (BIF) in Brasilien wurden in vielen Veröffentlichungen behandelt, ... -
Neotectonic markers in the Panafrican belt formations of Cameroon: elements of interpretation and their environmental impacts
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The North equatorial Panafrican Belt, whose Cameroonian formations are dated between 650 and 400 million years, and which are located in the North of the Congo Craton, is subdivided in to three major geodynamic domains: a ... -
Neotectonics in the Swiss Alps—A late Alpine to postglacially active fault at the Gemmi Pass
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The area of the central and western Swiss Alps reveals not only the highest uplift rates of Switzerland (1.5mma−1 near Brig, Schlatter & Marti 2002), but also shows a strong concentration of earthquakes (e.g. Deichmann ... -
Neue Perspektiven der Texturanalytik von Gesteinen mit konventioneller Röntgenbeugung
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)Technische Entwicklungen und verbesserte Messmethoden haben in den vergangenen 15 Jahren in der Gesteinstexturanalyse zu einer zunehmenden Nutzung vor allem der Elektronen- und Neutronenbeugung geführt. Dabei ist die ... -
Neutron time-of-flight texture measurements in Dubna: Status and developments
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The multidetector texture diffractometer SKAT (from Russian: Spektrometer Kolitshestvennovo Analiza Tekstury) at the pulsed reactor IBR-2 in Dubna, Russia, started operation in March 1997 and is open for users from ... -
Oligocene emplacement of the Eclogite Zone of the central Tauern Window, Eastern Alps, Austria
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The EZ is an approximately 20km long and 2–3km wide coherent unit of the Tauern Window in the Eastern Alps. It is sandwiched between the Venedigerand the Glockner Nappe. While rocks in the EZ experienced HP metamorphic conditions ... -
Origin of Central Andean collapse calderas
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)Regional strains in tectonically active volcanic provinces may have a profound influence on the mode of collapse caldera formation. Conversely, the deformation pattern, more specifically, the symmetry of plan-view strain ... -
Paläofluide in störungskontrollierten Bruchsystemen der Aachener Geothermie-Bohrung
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)In der vorliegenden Arbeit werden geologische Prozesse im Untergrund des linksrheinischen Rhenoherzynikums und deren Verhältnis zum regionaltektonischen Rahmen anhand der Proben aus der Aachener Geothermie- Bohrung mit dem ... -
Perturbation of isotherms below topography: constraints from tunnel transects through the Alps, Gotthard road tunnel
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)For many years it has been known that near surface isotherms are influenced by the topography (Lees 1910). Recently, a number of studies were pursued to quantify the effect of topography on low temperature isotherms ... -
Quantification and sensitivity of fault seal parameters demonstrated in an integrated reservoir modelling work flow. A case study on the Njord Field, Halten Terrace, Norway
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The primary objective of this paper is to present a fault seal case study from the Njord Field, offshore Norway. The study utilised analogue field studies as well as core descriptions and petrophysical well data in order ... -
Quartz microstructures in nature and experiment — evidence of rapid plastic deformation and subsequent annealing
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)Quartz microstructures produced in short-term deformation and annealing experiments are compared with those in naturally deformed vein quartz in cores from the Long Valley Exploratory Well (Long Valley Caldera, California). ... -
Regional fold structure analysis in the Eastern Alpi Apuane, Northern Apennine
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The Alpi Apuane represent a large tectonic window within the Northern Apennine in Italy. In this area, not only a complete succession of the tectonic units of the Northern Apennine can be studied, but also the structures that ... -
Relevance of viscous flow in accretionary wedges
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The orogenic wedge model (Davis et al. 1983; Platt 1986) marks a conceptual breakthrough in understanding the growth and long-term evolution of accretionary wedges. The characteristic rheology of subduction-related ... -
Remote Sensing Analyses of Neotectonic Active Regions in East-Kamchatka
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)The tectonic history of the Kamchatka Peninsula is dominated by continuous accumulation and amalgamation of terranes with different origins, which were delivered by convergence between the Pacific plate and in former times, ... -
Rock fabrics in palaeoweathering profiles below basement-cover interfaces (AMS-study on drill cores from the Caledonian margin, Central Sweden)
(11. Symposium "Tektonik, Struktur- und Kristallingeologie", 2006-03)Basement-cover-interfaces are important crustal boundaries. In many cases they act as detachment horizons. Criteria like pre-erosional basement characteristics, intensity of palaeoweathering and post-erosional processes during ...