Results 1 to 10 of about 6,345 (190)

Microstructures associated with the Sottunga-Jurmo shear zone and their implications for the 1.83-1.79 Ga tectonic development of SW Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 2010
This petrographic study of rock samples from the area of a large-scale shear zone, the Sottung-Jurmo shear zone, in SW Finland, illuminates the thermal development of and strain distribution within the rocks during the last development stages of the ...
T. Torvela, C. Ehlers
doaj   +3 more sources

Thrust system, flower structures and transpressive duplexes in Zeidun-Kareim Belt, Central Tectonic Province, Egyptian Nubian Shield (East African Orogen) [PDF]

open access: yesScientific Reports
In this study, we explore thrust system, flower structures and transpressive duplexes in the Zeidun-Kareim belt (ZKB) in the Egyptian Nubian Shield (ENS; northwestern ANS).
Zakaria Hamimi   +6 more
doaj   +2 more sources

Transition towards plate tectonics tracked in the metamorphic signature of Neoarchean synmagmatic transpression [PDF]

open access: yesNature Communications
Secular mantle cooling has progressively strengthened Earth’s lithosphere, enabling a variety of tectonic styles. The emergence of transpressional orogens in the Neoarchean is interpreted to reflect this strengthening, during a transitional phase leading
Ivan Zibra   +4 more
doaj   +2 more sources

The tectonic puzzle of the Messina area (Southern Italy): insights from new seismic reflection data. [PDF]

open access: yesSci Rep, 2012
The Messina Strait, that separates peninsular Italy from Sicily, is one of the most seismically active areas of the Mediterranean. The structure and seismotectonic setting of the region are poorly understood, although the area is highly populated and ...
Doglioni C   +10 more
europepmc   +3 more sources

Lithospheric models supported by the Caribbean and Levant examples help rethink transpression at plate boundaries [PDF]

open access: yesNature Communications
Strike-slip restraining bends, such as the Levant Fault, belonging to push-up systems and the Jamaican fault network, belonging to duplex systems, display a diversity of fault geometries and deformation patterns that reflect distinct modes of ...
Anthony Jourdon   +4 more
doaj   +2 more sources

Factors Affecting Transpression Folding as Inferred From Numerical Analysis

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2007
Three-dimensional folding behavior of an elasto-viscous layer induced by transpression, and biaxial compression on the boundary is studied. The factors studied include the strain rate, elastic competency contrast, and viscous competency contrast.
Fu-Shu Jeng, Cha-Yu Lu, Kuo-Ping Huang
doaj   +3 more sources

Detecting a Sinistral Transpressional Deformation Belt in the Zagros

open access: yesGeosciences, 2021
The oblique collision between the northeastern margin of the Arabian platform and the Iranian microcontinent has led to transpressional deformation in the Zagros orogenic belt in the central part of the Alpine–Himalayan orogenic belt.
Mohammad Ali Ghanbarian   +2 more
doaj   +1 more source

The Mid-Albian unconformity, a key to understand the geodynamics of the North Pyrenean Trough

open access: yesBSGF - Earth Sciences Bulletin, 2023
The Pyrenees are the result of the structural inversion of a rift of general direction N110E, established at the articulation of the European and Iberian plates.
Canérot Joseph, Médiavilla Francis
doaj   +1 more source

Carboniferous-Permian tectono-metamorphic evolution of the Pelvoux Massif (External Crystalline Massif, Western Alps), with discussion on flow kinematics of the Eastern-Variscan Shear Zone

open access: yesBSGF - Earth Sciences Bulletin, 2022
Based on new structural, petrological and U-Th-Pb geochronological data, a reappraisal of the Variscan tectono-metamorphic history of the Pelvoux Massif (External Crystalline Massif, French Alps) is proposed with the aim to understand the flow pattern ...
Fréville Kévin   +7 more
doaj   +1 more source

Transpression and transtension zones [PDF]

open access: yesGeological Society, London, Special Publications, 1998
Abstract Transpression and transtension are strike-slip deformations that deviate from simple shear because of a component of, respectively, shortening or extension orthogonal to the deformation zone. These three-dimensional non-coaxial strains develop principally in response to obliquely convergent or divergent relative motions ...
J. F. Dewey   +2 more
openaire   +1 more source

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