[HTML][HTML] Early Svecofennian rift-related magmatism: Geochemistry, U-Pb-Hf zircon isotope data and tectonic setting of the Au-hosting Uunimäki gabbro, SW Finland

J Kara, T Leskelä, M Väisänen, P Skyttä, Y Lahaye… - Precambrian …, 2021 - Elsevier
We characterise the geochemistry, zircon Lu-Hf composition, age and the structure of the
Uunimäki gabbro (UGB) in south-western Finland to improve the understanding of i) the …

Strain partitioning within bending orogens, new insights from the Variscan belt (Chiroulet‐Lesponne domes, Pyrenees)

B Cochelin, B Lemirre, Y Denèle… - Tectonics, 2021 - Wiley Online Library
This study investigates how strain is partitioned within hot orogenic belts in a context of plate
reorganization. We document crustal‐scale strike‐slip shear zones, plate‐scale oroclinal …

Geology of the Asinara Island (Sardinia, Italy)

R Carosi, C Montomoli, D Iacopini, A Petroccia… - Journal of …, 2024 - Taylor & Francis
Understanding how the lithosphere accommodates deformation along oblique convergent
plate boundaries is an important issue for unveiling orogenic belt exhumation. The Variscan …

[HTML][HTML] Monazite record for the Paleoproterozoic Svecofennian orogeny, SE Finland: an over 150-Ma spread of monazite dates

PE Salminen, P Hölttä, R Lahtinen, M Sayab - Lithos, 2022 - Elsevier
Abstract The Svecofennian orogeny in Fennoscandia is an example of a long-lived orogeny
characterised by low pressure, high temperature (LP–HT) metamorphism. In this paper, we …

[PDF][PDF] Spatial variation of pure and simple shear across transpressive shear zones: flow kinematics map of the Posada-Asinara shear zone

A Petroccia - Rend. Online Soc. Geol. It, 2023 - academia.edu
Flow kinematics estimations are necessary to determine how the deformation is partitioned
in shear zones at different scales. Combining different scales of structural analysis with …

[PDF][PDF] Multiscale mapping and scaling analysis of the censored brittle structural framework within the crystalline bedrock of southern Finland.

N Nordbäck, N Ovaskainen… - Bulletin of the …, 2023 - geologinenseura.fi
Fracture studies commonly lack data for the length range between 10 m to 1 km. For this
reason, scaling laws are required to extrapolate fracture properties, for example in discrete …

Timing of syn-orogenic, high-grade transtensional shear zone formation in the West Uusimaa Complex, Finland

T Torvela, M Kurhila - Bulletin of the Geological Society of …, 2022 - eprints.whiterose.ac.uk
We present zircon and titanite U-Pb ages from granulite-facies transtensional shear zones
and a greenschist facies strike-slip shear zone in the Karkkila-Vihti area, West Uusimaa. The …

[PDF][PDF] Palaeoproterozoic structural evolution of polyphase migmatites in Olkiluoto, SW Finland.

J Engström, A Kärki, S Paulamäki… - Bulletin of the …, 2022 - researchgate.net
In migmatitic environments the behaviour of the system is controlled by the generation and
amount of the anatectic melt. Accordingly, migmatites typically show a genetic linkage …

Insights into the tectonic evolution of the Svecofennian orogeny based on in situ Lu-Hf dating of garnet from Olkiluoto, SW Finland

J Engström, K Cutts, S Glorie, E Heilimo… - …, 2024 - egusphere.copernicus.org
The Southern Finland granites and associated migmatitic rocks have a complex
metamorphic history, being affected by multiple events during the ca. 1.88–1.79 Ga …

[PDF][PDF] Mesoproterozoic Strike-Slip Faulting within the Åland Rapakivi Batholith, Southwestern Finland

N Nordbäck, P Skyttä, J Engström, N Ovaskainen… - Tektonika, 2024 - researchgate.net
Paleostress inversion analysis of outcrop data from brittle fault structures within the
Mesoproterozoic 1.58 Ga Åland rapakivi granite, southwestern Finland, revealed two …