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Author: Richard A. Strachan
Publisher: Blackie Academic and Professional
ISBN:
Category : Science
Languages : en
Pages : 272
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Book Description
Author: Richard A. Strachan
Publisher: Blackie Academic and Professional
ISBN:
Category : Science
Languages : en
Pages : 272
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Book Description
Author: R.A. Strachan
Publisher: Springer
ISBN: 9789401066679
Category : Science
Languages : en
Pages : 252
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Book Description
Avalonian and Cadomian Geology of the North Atlantic aims to provide region by region syntheses of those terranes which are believed to have once formed part of the Late Proterozoic Avalonian-Cadomian belt. The belt originally comprised a series of volcanic arcs and marginal basins formed during the period c. 700-500 Ma ago, producing a range of calc-alkaline volcanics and intrusives and marginal basin sediments partly founded on continental basement rocks. Originally about 9000 km long, the belt is made up of a number of terranes later separated by the Caledonian orogeny (c. 500- 400 Ma), Variscan orogeny (c. 325 Ma), and the recent opening ofthe Atlantic Ocean (c. 70 Ma). The rocks therefore are now located on both sides of the Atlantic, as far apart as Florida and Czechoslovakia. A possible modern analogue for the Avalonian-Cadomian belt may be the present-day Western Pacific margins. We believe that a synthesis such as this provides the basis for correlation of the timing of events and hence improves our understanding of the underlying tectonic framework of the belt. This book developed from the recognition of, first, our own lack of knowledge of contemporaneous events outwith Armorica, and, second, the likelihood that other researchers working on individual areas or terranes do so in relative isolation. We have therefore commissioned chapters from researchers considered to be experts on their own particular areas.
Author:
Publisher:
ISBN:
Category : Geology - North Atlantic region
Languages : en
Pages : 252
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Book Description
Author: Damian Nance
Publisher: Geological Society of America
ISBN: 0813723043
Category : Science
Languages : en
Pages : 394
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Book Description
Author: Jean-Pierre Lefort
Publisher: Springer Science & Business Media
ISBN: 3642733506
Category : Science
Languages : en
Pages : 358
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Book Description
Major structural features are used in this study to reconstruct the links which existed between North America, Europe and Africa before the opening of the North Atlantic Ocean. The synthesis of geophysical and geochemical data as well as geological observations allows the recognition of the original geometry of the Grenvillian, Cadomian, Caledonian, Ligerian-Acadian and Hercynian foldbelts and the identification of ancient plate sutures. The reader will find a wealth of information based not only on the English but also on the French and Spanish literature, thus opening less known results to the international community.
Author: Ulf Linnemann
Publisher: Geological Society of America
ISBN: 0813724236
Category : Science
Languages : en
Pages : 642
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Book Description
Geological evolution of middle to late Paleozoic rocks in the Avalon terrane of northern mainland Nova Scotia, Canadian Appalachians: a record of tectonothermal activity along the northern margin of the Rheic Ocean in the Appalachian-Caledonide orogen.
Author: P.E. Schenk
Publisher: Springer Science & Business Media
ISBN: 9400972393
Category : Science
Languages : en
Pages : 391
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Book Description
The classical Appalachian, Caledonian, Hercynian, and Mauritanide orogens are now only segments of a once-continuous Paleozoic mountain belt which has been fragmented during Mesozoic-Cenozoic formation of the North Atlantic Ocean. These segments are major parts of the countries surrounding the North Atlantic - most of which are members of NATO. The aim of this NATO conference was to evaluate these fragments in terms of their pre-Mesozoic positions, and to attempt a synthesis of their geologic evolution on an international and orogen-wide scale. Geologists who have studied these scattered remnants have been separated by both geography and discipline. Orogen-wide syntheses have beeen attempted in the past by individuals who are specialists not only in discipline but also in geography; therefore, these attempts have not been satisfactory to everyone. This conference brought together the foremost specialists in different disciplines from each country. They attempted to teach other specialists, not only in their own fields, but in other disciplines, about regional variations and particular problems. The resulting international cross-fertilization, both within and between speciaLties, enriched individual workers and helped to provide a multi-disciplinary overview of the orogen.
Author: Víctor A. Ramos
Publisher: Geological Society of America
ISBN: 9780813723365
Category : Science
Languages : en
Pages : 290
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Book Description
Explores the tectonics interaction among the exotic terrians between Laurentia and Southwest Gondwana. The authors reveal data that sheds light on pre-Pangea connections between Laurentia and Southwest Gondwana. These data concern the presence of Ollenelus and associated fauna in the Precordillera of central Western South America; the common early Paleozoic paleomagnetic data, the presence of a large early Paleozoic carbo nate platform distinct from the Southwest Gondwanan clastic platforms associated with glacial deposits, and the exotic nature of the Grenville basement of this platform.
Author: Richard P. Tollo
Publisher: Geological Society of America
ISBN: 9780813711973
Category : Science
Languages : en
Pages : 900
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Book Description
Author: Gander International Conference on Stratigraphy and Structure Bearing on the Origin of the North Atlantic Ocean
Publisher:
ISBN:
Category :
Languages : fr
Pages : 1082
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Book Description
Pre-Permian history of the British Isles - a summary / Ian W.D. Dalziel -- Pre-Carboniferous development of Newfoundland Appalachians / Harold Williams --Floor of the North Atlantic - summary of geophysical data / J.E. Nafe and C.L. Drake -- Continental margin of eastern Canada - a summary / M.J. Keen -- Precambrian rocks of England, Wales, and southeast Ireland / A.E. Wright -- Short account of Cambrian and Tremadocian of Acado-Baltic Province / Gunnar Henningsmoen -- Geology of Avalon Peninsula, southeast Newfoundland / W.D. McCartney -- Geology of eastern part of Avalon Peninsula, Newfoundland - a summary / W.D. Brückner -- Cambrian trilobite distributions in North America and their bearing on Cambrian paleogeography of Newfoundland / Allison R. Palmer -- "European" species of trilobite burrows in eastern Newfoundland / A. Seilacher and T.P. Crimes -- Dalradian of Scotland / M.R.W. Johnson -- Moinian assemblage of Scotland / G.S. Johnstone, D.I. Smith and A.L. Harris -- Dalradian of Donegal and Northern Ireland / F.W. Cambray -- Geologic comparison of western Ireland and northeastern Newfoundland / W.E.A. Phillips, M.J. Kennedy and G.M. Dunlop -- Metamorphic rocks of Burlington Peninsula and adjoining areas of Newfoundland, and their bearing on continental drift in North Atlantic / W.R. Church -- Fleur de Lys "tilloid" / W.B. Harland -- Ordovcian of British Isles / Alwyn Williams -- Lower Paleozoic rocks in southern Scotland / E.K. Walton -- Late Ordovician sedimentation in Caledonian geosyncline, southwestern Scotland / John F. Hubert -- Silurian rocks of Ireland and a comparison with those of Newfoundland / W.S. McKerrow -- Geosyncline-margin sedimentary rocks in Silurian of West Connacht, Ireland / David J.W. Piper -- Irish counterpart of Silurian of Newfoundland / C.H. Holland -- Structure and sequence in paratectonic British Caledonides / J.F. Dewey-- Caledonian and pre-Caledonian intrusive rocks of Ireland / James C. Brindley -- Isochron study of Donegal granite and certain Dalradian rocks of Britain / P.J. Leggo, P.W.G. Tanner and B.E. Leake -- Some aspects of Paleozoic geochronology of British Isles / P.E. Brown and J.A. Miller -- Initial Caledonian magmatism in Jämtland area, Sweden / Arne G.B. Strömberg -- Ordovician stratigraphy of Notre Dame Bay, Newfoundland / Gregory S. Horne and James Helwig -- Redefinition of Exploits Group, Lower Paleozoic, northeast Newfoundland / James Helwig -- Silurian of northeast Newfoundland coast / Marshall Kay -- Silurian geology of Change Islands and eastern Notre Dame Bay, Newfoundland / Thomas E. Eastler -- Silurian rocks of west White Bay area, Newfoundland / Brian E. Lock -- Plutonic-pebble conglomerates, New World Island, Newfoundland, and history of eugeosynclines / James Helwig and Ernesto Sarpi -- Pre-middle Ordovician unconformity in northern New England and Quebec / Bradford A. Hall -- Silurian-Devonian of northern Appalachians - Newfoundland / A.J. Boucot -- Lower Silurian-Lower Devonian volcanic rocks of New England coast and southern New Brunswick / Olcott Gates -- Ordovician graptolite faunas in lands bordering North Atlantic and Arctic oceans / D.E. Jackson -- Middle and Upper Ordovician graptolite faunas of St. Lawrence lowlands of Quebec, and of Anticosti Island / John Riva -- Graptolite faunal provinces in Ordovician of northwest Europe / David Skevington -- Ordovician correlations between North America and Europe / Marshall Kay -- The Lewisian of northwest Highlands of Scotland / D.R. Bowes -- Torridonian rocks of Scotland reviewed / A.D. Stewart -- Petrography and origin of pebbles from Torridonian strata (late Precambrian), northwest Scotland / George E. Williams -- Interpretation of depositional and diagenetic history of Cambrian-Ordovician succession of northwest Scotland / Keene Swett -- Evolution of Precambrian massif of western Newfoundland / Paul M. Clifford -- Cambrian and Ordovician stratigraphy of western Newfoundland / H.B. Whittington and C.H. Kindle -- Thrust sheets and gravity slides of western Newfoundland / Marshall Kay -- Middle Ordovician gravity sliding - Taconic region / John M. Bird -- Lower Paleozoic stratigraphy and structural geology, Green Mountain-Sutton Mountain anticlinorium, Vermont and southern Quebec / Philip H. Osberg -- Tectonic features of old red sedimentation in North Atlantic borders / P.F. Friend -- Old red sandstone and other Paleozoic conglomerates of Scotland / Brian J. Bluck -- Northeast-trending faults of Scotland and Ireland, and chronology of displacements / Wallace S. Pitcher -- Newfoundland Carboniferous stratigraphy and its relation to the Maritimes and Ireland / Edward S. Belt -- Paleozoic wrench faults in Canadian Appalachians / Gregory W. Webb. Discussion / Richard L. Brown and Herwart Helmstaedt -- Tectonic pattern of major structural features in north-central Newfoundland, Canada / George R. Heyl -- Tectonic framework of southern New England and eastern New York / James W. Skehan -- Contribution of Spitsbergen to understanding of tectonic evolution of North Atlantic region / W.B. Harland -- Tectonics and neotectonics in East Greenland - review bearing on the drift concept / John Haller -- Pre-Quaternary geology of southwest Greenland and its bearing on North Atlantic correlation problems / J.H. Allaart, D. Bridgwater and N. Henriksen -- Cretaceous-Tertiary stratigraphy and tectonics in northern West Greenland / A. Rosenkrantz and T.C.R. Pulvertaft -- Anorthosites of southern West Greenland / Brian F. Windley -- Continental-drift models and correlation of geologic features across North Atlantic Ocean / E.H. Timothy Whitten -- Paleomagnetism and North Atlantic paleogeography / Ernst R. Deutsch -- Evolution of North Atlantic Ocean : relevance of rock-pressure measurements / Barry Voight -- Continental drift in North Atlantic Ocean / Marshall Kay.
