Deformation and magnetic fabrics in ductile shear zones: A review

EC Ferré, A Gébelin, JL Till, C Sassier, KC Burmeister - Tectonophysics, 2014 - Elsevier
Abstract The Anisotropy of Magnetic Susceptibility (AMS) is a well-established petrofabric
tool for indicating relative strain and microstructural character and has been validated on …

Syn-emplacement fracturing in the Sandfell laccolith, eastern Iceland—Implications for rhyolite intrusion growth and volcanic hazards

T Mattsson, S Burchardt, BSG Almqvist… - Frontiers in Earth …, 2018 - frontiersin.org
Felsic magma commonly pools within shallow mushroom-shaped magmatic intrusions, so-
called laccoliths or cryptodomes, which can cause both explosive eruptions and collapse of …

Progressive growth of the Cerro Bayo cryptodome, Chachahuén volcano, Argentina—Implications for viscous magma emplacement

S Burchardt, T Mattsson, JO Palma… - Journal of …, 2019 - Wiley Online Library
Cryptodome and dome collapse is associated with volcanic hazards, such as explosive
eruptions, pyroclastic density currents, and volcanic edifice collapse. The study of the growth …

The rheological transition in plagioclase‐bearing magmas

D Picard, L Arbaret, M Pichavant… - Journal of …, 2013 - Wiley Online Library
Volcanological processes, such as melt segregation, ascent, and eruption, are directly
dependent on the rheological behavior of magmatic suspensions. An increase of the crystal …

Rheology and microstructure of experimentally deformed plagioclase suspensions

D Picard, L Arbaret, M Pichavant… - …, 2011 - pubs.geoscienceworld.org
We present the results of the first high-temperatures and high-pressure deformation
experiments on synthetic magmatic suspensions of strongly anisometric particles. The …

Structures and lithofacies of inferred silicic conduits in the Paraná-Etendeka LIP, southernmost Brazil

MS Simões, EF Lima, CA Sommer… - Journal of Volcanology …, 2018 - Elsevier
Extensive silicic units in the Paraná-Etendeka LIP have been long interpreted as pyroclastic
density currents (rheomorphic ignimbrites) derived from the Messum Complex in Namibia. In …

Magnetic multi-fabrics as tools for understanding ignimbrite emplacement processes: an example from late-Variscan Tharandter Wald Caldera, Bohemian Massif

I Olšanská, F Tomek, M Chadima, MS Foucher… - Journal of Structural …, 2024 - Elsevier
Felsic collapse calderas pose a hazard to our society, thus detailed knowledge of collapse
mechanisms and behavior of eruptive products could help us to better understand the active …

Some remarks on fabric overprints and constrictional AMS fabrics in igneous rocks

K Schulmann, J Ježek - International Journal of Earth Sciences, 2012 - Springer
During the ascent, emplacement and post-emplacement deformation of igneous rocks, two
or more phases of deformation that overprint each other are often depicted. These …

Magnetic fabrics and emplacement of an anorogenic granitic pluton: case of the Yoli microgranite along the Cameroon Volcanic Line

T Njanko, RK Onana, BEB Nke, AT Fokoua… - Arabian Journal of …, 2023 - Springer
The purpose of this study is to assess the magnetic fabrics and anisotropy of magnetic
susceptibility (AMS) of the Yoli anorogenic microgranite to infer its emplacement …

Magnetic fabric transposition in folded granite sills in Variscan orogenic wedge

P Závada, T Calassou, K Schulmann, F Hrouda… - Journal of Structural …, 2017 - Elsevier
New approach involving evaluation of anisotropy of magnetic susceptibility (AMS) data in
stereoplots and Jelínek's P j–T space, Vollmer's eigenvalue and microstructural analyses is …