2 edition of Some aspects of the Variscan fold belt found in the catalog.
Some aspects of the Variscan fold belt
Inter-University Geological Congress (9th 1961 Exeter)
by Published for the Committee by the Manchester University Press in [Manchester, Eng.]
Written in English
|Statement||edited by Kenneth Coe.|
|Contributions||Coe, Kenneth, 1927- ed.|
|The Physical Object|
|Number of Pages||163|
The Variscan fold belt of central Europe formed during the early Palaeozoic by collision of Laurentia, Baltica, Africa and a number of Gondwana-derived microplates (Tait et al., ). The Erzgebirge antiform is located in the Saxothuringian zone of the Variscan belt, at the northwestern margin of the Bohemian by: The variscan direction reflected the direction of ancient fold belts cropping out throughout Germany and adjacent countries and the meaning shifted from direction to the fold belt proper. One of the pioneers in research on the Variscan fold belt was the German geologist Franz Kossmat, establishing a still valid division of the European Variscides in
The Department of Geological Sciences at Plymouth Polytechnic hosted a two day meeting of the Tectonic Studies Group on October 27 On the first day of the meeting 17 papers were presented on tectonic aspects of the Variscan orogen in SW England and related areas. On the second day two field excursions ran concurrently to the north Cornish coast (leaders G. E. Cited by: 1. Variscan Orogenic Belt. Unlike the Caledonian Orogenic Belt, outcrops of the Variscan Orogenic Belt are limited to the south-west of England, southern Wales and the south of Ireland (see Figure 9 and Figure 11).However, this does not mean that the effects of the Variscan Orogeny were limited only to these southern regions.
The Variscan orogenic belt of central Europe represents a com-plex of crustal blocks accreted to the Laurussian foreland during closure of oceanic domains between Laurussia and Gondwana. The general kinematics of accretion in Saxothuringian and Molda-nubian/Lugian zone of the Variscan belt was towards the north-. tion within the Variscan belt, at the junction of the three most important Paleozoic orogenic belts: the Appalachians to the southwest, the Caledonides to the northwest, and the Variscan to the northeast. Besides, Iberia shares with west France a marked and striking bend or curvature known as the Ibero-Armorican Arch (Ribeiro et al., ).File Size: 2MB.
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Some aspects of the Variscan fold belt; ten lectures delivered to the ninth Inter-University Geological Congress. Variscan orogenic belt, also called Hercynian orogenic belt, series of mountain ranges that developed during a span of time extending from million to million years ago—during the Devonian Period (which occurred about million to million years ago), the Carboniferous Period ( million to million years ago), and the early Permian Period ( million to about million.
Belfoul M.A., Faik F., Hassenforder B., Evidence of a tangential tectonic event prior to the major folding in the Variscan belt of western anti-Atlas, J.
Afr. Earth Sci. 32 () – CrossRef Google ScholarCited by: Generalized Comparison of the Variscan with the Damara Orogen --The Variscan Belt of Central Europe --Palaeozoic Sedimentation in the Northern Branch of the Mid-European Variscides --Essay of an Interpretation --Neritic Sedimentation of the Lower and Middle Devonian in the Rheinische Schiefergebirge East of the River Rhine --"Pelagic" Carbonates in the Variscan Belt --Their.
The French Massif Central is one of the largest massifs of the southern European Variscan belt, together with the Armorican and the Iberian massifs. All these massifs outcrop beneath the unconformably overlying continental latest Carboniferous and Permian-Triassic series and were not at all, or weakly, disturbed by Alpine events.
VARISCAN OROGENY. Part 1. Structure of the Variscan Belt. The Morvan region is located in the NE part of the French Massif Central and in the middle of the central zone of the Hercynian or Variscan Belt.
Since the first descriptions, the deep structures of this orogenic belt that extends across Germany, Belgium and France are best described, deduced from seismic profiles, as well as the. Resolving the Variscan evolution of the Moldanubian sector of the Bohemian Massif: the significance of the Bavarian and the Moravo–Moldanubian Fold Belt.
As indicated from palaeomagnetic data, the (already established) Moravo–Moldanubian Fold Belt has then (around books of Dallmeyer et al. () and Franke (). Foreword The venue of the Variscan conference at the University Rennes, and its theme, "correlations and plate dynamics", are the occasion to recall that, some 40 years ago, was convened in this university (25 September to 6 October ), under the aegis of CNRS and IGCP-UNESCO, an international meeting entitled: “La Chaîne varisque d'Europe moyenne et occidentale”.
on the regional metamorphism of the Dinant fold-and-thrust belt (Lünenschloss et al. ; Lünenschloss, ; Muchez et al., ). Due to their occurrence in the vicinity of fault systems, expulsion of metamorphic fluids from the Stavelot-Venn Massif along Variscan fault systems has been proposed as possible.
Shan in Asia, and the Lachland Fold Belt in Australia, the Variscan Belt is a segment of a mountain system that has existed all around the world during the Paleozoic, as the Alpine mountain system encircles the globe today. Paleomagnetic reconstructions indicate that the Variscan Belt resulted from convergence andFile Size: 5MB.
The Devonian and Carboniferous strata of SW England were deformed during the Variscan orogeny. Differing amounts of polyphase deformation imposed upon rocks of differing rheological character gave rise to a variety of attitudes and styles of folding.
The present account attempts to outline the location and development of structural zones within which the attitudes of folds Cited by: One of the complexities of the Pyrenean Belt is that thrusting, uplift and erosion during the Pyrenean orogeny exposed older Variscan basement rocks in the central core of the mountains, rocks.
Some Aspects of the Variscan Fold Belt C. Plate Tectonics and the Hercynian Orogeny. North Gondwana origin for exotic Variscan rocks in the Rhenohercynian zone of GermanyCited by: Former Library books. Shows some signs of wear, and may have some markings on the inside.
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Best Selling in Nonfiction. This volume illustrates some of the significant aspects of magmatic activity from Devonian ( million years ago) to early Permian ( million years ago) times in SW England.
This period covers the progressive development of the Variscan mountain-building episode, from initial basin formation to final deformation and the subsequent development of a fold mountain belt - the Variscan Orogen.
The southern Variscan belt. Vol Editors: Gideon Rosenbaum. Rodolfo Carosi. David Iacopini. Origin and emplacement of syn-orogenic Variscan granitoids in Iberia the Beiras massif. Rosário Azevedo, Beatriz Valle Aguado, John Nolan, M.
Estela Martins, and Jorge Medina. The Variscan Belt, which includes Devonian–Carboniferous high-/ultrahigh-pressure (HP/UHP) metamorphic rocks, extends from the Iberian Massif through the Armorican Massif, French Massif Central, Schwarzwald, and Vosges, and continues to the Bohemian Massif (Figure ).
The basement units with HP rocks are exposed over a wider area, whereas other portions of the belt are extensively. The age of these ophiolites is unknown, but their position in the Variscan belt is similar to those of Lizard in south Cornwall, dated at – Ma (U-Pb; Clark et al., ; Nutman et al., ), so that the Beja-Acebuches ophiolitic complex may be coeval with and perhaps linked to the upper ophiolites of the Galicia-Trás-os-Montes zone.
The event created the Variscan mountain belt, which includes the mountains of Portugal and western Spain, southwest Ireland, Cornwall, Devon, Pembrokeshire, the Gower Peninsula and the Vale of Glamorgan. The main trend of the fold axes is E-W, indicating a N-S collision.
Image courtesy of Gordon Neighbour. Evidence in the UK. 30 G. Meinhold: Franz Kossmat – Subdivision of the Variscan Mountains mat, ).
Amongst his many publications (see Winkler-Hermaden, ), one of Kossmat’s key papers during his scientiﬁc carrier is the Gliederung des varistischen Gebirgs-baues, published inwhich is translated into English after the introductory by: 1.
Section gives some main aspects of the development of the Variscan geosyncline and orogeny and a short description of the pre-Variscan geological history of this : Clive Burrett.The Tintagel-type structures, in which tergiversate folds are an important element, probably have counterparts in the south-west of Cornwall; they mark a transition zone of intense deformation between the infrastructural and suprastructural zones in the Variscan orogen of south-west by: The zones clearly represent a long history of pre-Variscan and probably post-Variscan tectonic activity, which suggests they were propagated by basement fractures.
The clear determination of Variscan structures in the areas of central and north Wales, where there are no outcrops of Upper Palaeozoic strata, is impossible.