Results 171 to 180 of about 51,740 (216)
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The Pyrenean orogen: pre-, syn-, and post-collisional evolution
Journal of the Virtual Explorer, 2002The Pyrenean Mountains represent the westernmost end of the long Alpine Himalayan collisional system. The excellent preservation of foreland basin deposits in conjunction with folds and thrusts has been the basis for the numerous papers on the syntectonic evolution of the Pyrenees.
Vergés Masip, Jaume +2 more
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Metallogenesis in the Tibetan collisional orogenic Belt
2005The Tibetan collision orogen, characterized by the occurrence of large-scale, intense, recent mineralization, various kinds of large-scale deposits and weak reworking on these deposits, is regarded to be a significant metallogenic domain for the understanding of ore-forming processes in collisional orogens.
Zengqian Hou +11 more
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Torngat Orogen — a Palaeoproterozoic example of a narrow doubly vergent collisional orogen
Geological Society, London, Special Publications, 1996Abstract Three widely spaced transects across northern Torngat Orogen demonstrate the broadly synclinorial structure and axial location of the monocyclic, supracrustal Tasiuyak gneiss complex in the centre of a doubly vergent orogen, with east-verging thrusting onto the Nain craton and west- or southwest-verging thrusting onto ...
Toby Rivers +4 more
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Lithos, 2015
Abstract A combined study of mineral inclusions, U–Pb ages and trace elements was carried out on zircon from migmatites in the Dabie orogen. The results provide insights into multistage anatexis of ultrahigh-pressure metamorphic rocks in the continental collision orogen.
Zhaochu Hu, Zheng Yongfei, Ren-Xu Chen
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Abstract A combined study of mineral inclusions, U–Pb ages and trace elements was carried out on zircon from migmatites in the Dabie orogen. The results provide insights into multistage anatexis of ultrahigh-pressure metamorphic rocks in the continental collision orogen.
Zhaochu Hu, Zheng Yongfei, Ren-Xu Chen
exaly +2 more sources
Collisional and postcollisional tectonics of the Apenninic-Maghrebian orogen (southern Italy)
2006Geological analysis of geophysical data obtained by the interpretation of crustal profiles indicates that in the central Mediterranean region the following structural domains can be distinguished: the foreland domains, an orogenic belt, and the Corsica- Sardinia block. The foreland domains are represented by two continental blocks, the Apulian block to
Lentini F +2 more
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Earth and Planetary Science Letters, 1999
Abstract The Pyrenees are a collisional mountain belt formed by convergence between the Afro–Iberian and European plates. Apatite fission track thermochronology from three vertical profiles along the ECORS seismic line constrain the exhumation history of the Pyrenean orogen and hence tectonic models for its formation.
P.G Fitzgerald +3 more
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Abstract The Pyrenees are a collisional mountain belt formed by convergence between the Afro–Iberian and European plates. Apatite fission track thermochronology from three vertical profiles along the ECORS seismic line constrain the exhumation history of the Pyrenean orogen and hence tectonic models for its formation.
P.G Fitzgerald +3 more
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Lithos, 2011
Abstract A new model of the structure and composition of the Variscan crust in the Bohemian Massif is proposed based on 3D gravity modelling, geological data, seismic refraction (CEL09) and reflection (9HR) sections. The Bohemian Massif crust is characterized by a succession of positive and negative anomalies of about 60–80 km wavelength for nearly ...
Guy, Alexandra +4 more
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Abstract A new model of the structure and composition of the Variscan crust in the Bohemian Massif is proposed based on 3D gravity modelling, geological data, seismic refraction (CEL09) and reflection (9HR) sections. The Bohemian Massif crust is characterized by a succession of positive and negative anomalies of about 60–80 km wavelength for nearly ...
Guy, Alexandra +4 more
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P-T-t paths of collisional orogens
Geologische Rundschau, 1991Pressure-temperature-time (P-T-t) paths summarize the changes in pressure and temperature imposed on a metamorphic rock during orogenesis. They provide a convenient framework for the interpretation of complex metamorphic histories and also offer insight into the thermal and tectonic factors controlling metamorphism in collisional orogens.
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Terra Nova, 2010
Terra Nova, 22, 155-165, 2010. Sequence stratigraphy in the hinterland, kinematic analysis of thin-skinned thrusting in the foreland and thermochronological tracking of exhumation in the orogenic core are combined to quantify the mechanics of an orogen with low topographic build-up.
Matenco, L. +5 more
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Terra Nova, 22, 155-165, 2010. Sequence stratigraphy in the hinterland, kinematic analysis of thin-skinned thrusting in the foreland and thermochronological tracking of exhumation in the orogenic core are combined to quantify the mechanics of an orogen with low topographic build-up.
Matenco, L. +5 more
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Petrologic and thermal constraints on the origin of leucogranites in collisional orogens
Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 2004ABSTRACTLeucogranites are typical products of collisional orogenies. They are found in orogenic terranes of different ages, including the Proterozoic Trans-Hudson orogen, as exemplified in the Black Hills, South Dakota, and the Appalachian orogen in Maine, both in the USA, and the ongoing Himalayan orogen.
Peter I. Nabelek, Mian Liu
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