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Full Description
This volume aims at providing earth scientists Laurussia. Some fundamental discrepancies with an overview of the late Palaeozic evolu- were recognised between the different data sets tion of North America, Europe, the Arctic and that required modifications of the hitherto ac- North Africa in a plate tectonic framework. cepted palaeomagnetically controlled continent reconstructions. As a next step, regional palaeo- Plate motions are reviewed that underly the late geographical maps were constructed for North Silurian-early Devonian suturing of Laurentia- America, Europe and North Africa on the basis Greenland and Fennosarmatia, the principal of published data and in-house studies of the constituents of Laurussia, the Devonian and Shell Group of companies. These maps were early Carboniferous accretion of Gondwana- digitised and transferred to modified palaeo- derived continental fragments to the southern reconstructions of the continents that were margin of Laurussia and of Arctica to its made with the aid of an Evans and Sutherland northern margin, and ultimately the late Car- PS-300 vector graphics terminal. boniferous to Permian suturing of Laurussia with Gondwana, Kazakhstan and Siberia.
An During the evaluation of the validity of account is given of the evolution of sedimen- modified palaeoreconstruction of the con- tary basins that developed during late Silurian tinents, as presented in this volume, special at- to late Permian times, within and along the tention was given to the timing of orogenic margins of Laurussia.
Contents
1. Pridolian.- 1.1. Plate Boundaries and Continent Assembly.- 1.2. Caledonian Fold Belts and Associated Basins.- 1.3. Platform Areas.- 2. Early Devonian.- 2.1. Plate Boundaries and Continent Assembly.- 2.2. Basins Associated with Arctic-North Atlantic Mega-shear.- 2.3. Hercynian Geosynclinal System.- 2.4. Inuitian Orogen and Franklinian Basin.- 2.5. Platform Areas.- 3. Middle Devonian.- 3.1. Plate Boundaries and Continent Assembly.- 3.2. Arctic-North Atlantic Mega-shear and Associated Basins.- 3.3. Inuitian Fold Belt and Franklinian Basin.- 3.4. Hercynian Geosynclinal System.- 3.5. Platform Areas.- 4. Late Devonian.- 4.1. Plate Boundaries and Continent Assembly.- 4.2. Hercynian Geosynclinal System.- 4.3. Arctic-North Atlantic Mega-shear and Associated Basins.- 4.4. Inuitian Fold Belt and Cordilleran Miogeocline.- 4.5. Platform Areas.- 5. Early Carboniferous.- 5.1. Plate Boundaries and Continent Assembly.- 5.2. Hercynian Geosynclinal System.- 5.3. Arctic-North Atlantic Mega-shear and Associated Basins.- 5.4. Inuitian Fold Belt.- 5.5. Platform Areas.- 6. Late Carboniferous.- 6.1. Plate Boundaries and Continent Assembly.- 6.2. Variscan Orogen.- 6.3. Appalachian Orogen.- 6.4. Norwegian-Greenland Sea Rift and Arctic-Barents Shelf.- 6.5. Cordilleran Miogeocline.- 6.6. Platform Areas.- 7. Stephanian-Autunian.- 7.1. Plate Boundaries and Continent Assembly.- 7.2. Post-Variscan Wrench Faulting.- 7.3. Alleghanian Consolidation of Appalachian Orogen.- 7.4. Uralian Orogenic Systems.- 7.5. Norwegian-Greenland Sea Rift and Arctic Shelves.- 7.6. Platform Areas.- 8. Late Early and Late Permian.- 8.1. Plate Boundaries and Continent Assembly.- 8.2. Uralian and Cordilleran Orogenic Belts.- 8.3. Hercynian Megasuture.- 8.4. Norwegian-Greenland Sea Rift and Arctic Shelf.- 9. Discussion.- 9.1.Foreland Basins and Intra-plate Compression.- 9.2. Rift and Wrench Systems.- 9.3. Intra-cratonic Thermal-sag Basins.- 9.4. Eustatic and Relative Sea-level Changes.- 9.5. Palaeoclimate and Palaeobiogeography.- Postscript.- References.
