Seismic properties and anisotropy of the continental crust: Predictions based on mineral texture and rock microstructure

BSG Almqvist, D Mainprice - Reviews of Geophysics, 2017 - Wiley Online Library
Progress in seismic methodology and ambitious large‐scale seismic projects are enabling
high‐resolution imaging of the continental crust. The ability to constrain interpretations of …

Shale fault zone structure and stress dependent anisotropic permeability and seismic velocity properties (Opalinus Clay, Switzerland)

QC Wenning, C Madonna, A Zappone, M Grab… - Journal of Structural …, 2021 - Elsevier
Given shale's potential to serve as both a caprock for geological carbon sequestration and
as the host for nuclear waste disposal, this study focuses on the structural characterization …

New crystal preferred orientation of amphibole experimentally found in simple shear

J Kim, H Jung - Geophysical Research Letters, 2019 - Wiley Online Library
The crystal preferred orientation (CPO) of amphibole has a large effect on seismic
anisotropy in the crust. Previous studies have reported four CPO types (I–IV) of amphibole …

3-D velocity distribution of amphibolites collected from various crustal depths

T Lokajíček, R Přikryl, A Aminzadeh, T Svitek… - Journal of …, 2023 - Elsevier
The elastic properties of nineteen samples of crystalline rocks–amphibolites from different
areas/boreholes were studied in order to elucidate possible depth effect on the elastic …

[HTML][HTML] Pressure, temperature and lithological dependence of seismic and magnetic susceptibility anisotropy in amphibolites and gneisses from the central …

M Bazargan, HB Motra, B Almqvist, S Piazolo… - Tectonophysics, 2021 - Elsevier
As a petrofabric indicator, anisotropy of magnetic susceptibility (AMS) can potentially be
used to infer seismic properties of rocks, and in particular seismic anisotropy. To evaluate …

Image log analysis of in situ stress orientation, breakout growth, and natural geologic structures to 2.5 km depth in central Scandinavian Caledonides: Results from the …

QC Wenning, T Berthet, M Ask… - Journal of …, 2017 - Wiley Online Library
Stress‐induced borehole deformation analysis in the Collisional Orogeny in the
Scandinavian Caledonide deep scientific borehole establishes in situ stress orientation in a …

[HTML][HTML] Seismic anisotropy of mid crustal orogenic nappes and their bounding structures: An example from the Middle Allochthon (Seve Nappe) of the Central …

BSG Almqvist, D Cyprych, S Piazolo - Tectonophysics, 2021 - Elsevier
We report compositional, microstructural and seismic properties from 24 samples collected
from the Middle Allochthon (Seve Nappe) of the central Scandinavian Caledonides, and its …

Correlation of core and downhole seismic velocities in high-pressure metamorphic rocks: A case study for the COSC-1 borehole, Sweden

F Kästner, S Pierdominici, J Elger, A Zappone… - Solid Earth, 2020 - se.copernicus.org
Deeply rooted thrust zones are key features of tectonic processes and the evolution of
mountain belts. Exhumed and deeply eroded orogens like the Scandinavian Caledonides …

Cross‐scale seismic anisotropy analysis in metamorphic rocks from the COSC‐1 borehole in the Scandinavian Caledonides

F Kästner, S Pierdominici, A Zappone… - Journal of …, 2021 - Wiley Online Library
Metamorphic and deformed rocks in thrust zones show particularly high seismic anisotropy
causing challenges for seismic imaging and interpretation. A good example is the Seve …

Seismic and magnetic susceptibility anisotropy of middle-lower continental crust: Insights for their potential relationship from a study of intrusive rocks from the Serre …

R Punturo, MA Mamtani, E Fazio, R Occhipinti… - Tectonophysics, 2017 - Elsevier
We investigated the relationships between fabric, seismic and magnetic anisotropy on
lithotypes representative of a continental crust exposed in the Serre Massif (Southern Italy) …