Results 171 to 180 of about 17,177 (230)
Determining the roots of Urnfield Culture at Přáslavice, Czech Republic. [PDF]
Cheung C +7 more
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The Palaeozoic Variscan oceans revisited
Gondwana Research, 2017Abstract Geological evidence, supported by biogeographical data and in accord with palaeomagnetic constraints, indicates that “one ocean” models for the Variscides should be discarded, and confirms, instead, the existence of three Gondwana-derived microcontinents which were involved in the Variscan collision: Avalonia, North Armorica (Franconia and ...
Wolfgang Franke, Trond H Torsvik
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Magnetic fabrics in Portuguese Variscan granites: structural markers of the Variscan orogeny
2020<p>This work focuses on the magnetic fabric of 20 variscan granitic massifs from northern and central Portugal and considers the Anisotropy of Magnetic Susceptibility (AMS) results obtained in about 750 sampling sites. In the northern and central Portugal, three main ductile deformation phases were recognized and described: D&
Helena Sant Ovaia +3 more
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Variscan Granites from Brittany
1994From Barrois (1884) to Barriere (1980) it is has been classical to divide Armorican Granites into three main units (Fig. 1): 1. A leucogranite belt which extends from the Pointe du Raz to Bressuire and Parthenay, emplaced during activity on the South Armorican Shear Zone (SASZ, Cogne 1960) and of its subsidiary faults. 2.
J.-P. Carron +2 more
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1988
Abstract The Variscan – Alleghanian orogen stretches from the southeastern United States to eastern Europe and fragments of it are also detected in eastern and northeastern Africa. The orogen has originally been produced by the collision between Gondwana, Laurentian and Baltic cratons, as well as the intervening microcontinents.
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Abstract The Variscan – Alleghanian orogen stretches from the southeastern United States to eastern Europe and fragments of it are also detected in eastern and northeastern Africa. The orogen has originally been produced by the collision between Gondwana, Laurentian and Baltic cratons, as well as the intervening microcontinents.
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Post‐Variscan tectonics in eastern Anti‐Atlas (Morocco)
Terra Nova, 2007AbstractNew field data integrated by fission‐track (FT) analysis unravel an innovative scenario for the post‐Variscan evolution of the eastern Anti‐Atlas. This area, unaffected by Meso‐Cenozoic tectonics according to most workers, is crosscut by crustal faults bearing evidence of a polyphase deformation history. Apatite FT ages, ranging between 284 and
Malusa MG +6 more
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Geological Society, London, Special Publications, 2003
Abstract In this study we demonstrate how a combined structural, sedimentological and palaeomagnetic approach provides a new perspective on the tectonic evolution of the Holy Cross Mountains. In the field, we performed a structural and sedimentological analysis of Palaeozoic rocks.
J. Lamarche +3 more
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Abstract In this study we demonstrate how a combined structural, sedimentological and palaeomagnetic approach provides a new perspective on the tectonic evolution of the Holy Cross Mountains. In the field, we performed a structural and sedimentological analysis of Palaeozoic rocks.
J. Lamarche +3 more
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