Results 91 to 100 of about 242 (121)
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Geological Society Special Publication, 1990
Abstract U-Pb zircon dating has clarified the timing of magmatic and metamorphic events during the Cadomian orogeny from 670–660 Ma to 530 Ma. This indicates a time-span of nearly 150 Ma for the Cadomian orogeny in the northern part of the Armorican Massif. The ages of c.
Catherine Guerrot
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Abstract U-Pb zircon dating has clarified the timing of magmatic and metamorphic events during the Cadomian orogeny from 670–660 Ma to 530 Ma. This indicates a time-span of nearly 150 Ma for the Cadomian orogeny in the northern part of the Armorican Massif. The ages of c.
Catherine Guerrot
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Tectonophysics, 2002
Abstract The Cadomian basement and the Cambro-Ordovician overstep sequence in Saxo-Thuringia is characterized by clastic sedimentation from the Late Neoproterozoic to the Ordovician. Magmatism in the Avalonian–Cadomian Arc preserved in Saxo-Thuringia occurred between ca. 570 and 540 Ma.
Ulf Linnemann, Rolf L Romer
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Abstract The Cadomian basement and the Cambro-Ordovician overstep sequence in Saxo-Thuringia is characterized by clastic sedimentation from the Late Neoproterozoic to the Ordovician. Magmatism in the Avalonian–Cadomian Arc preserved in Saxo-Thuringia occurred between ca. 570 and 540 Ma.
Ulf Linnemann, Rolf L Romer
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Tectonophysics, 2008
Abstract Cadomian orogenic processes and their continuum to the opening of the Rheic Ocean were modeled by making use of new LA-ICP-MS U–Pb ages from detrital zircons of sedimentary rocks of Late Neoproterozoic (Ediacaran) and Cambro-Ordovician sediments of the Ossa-Morena Zone (Iberian Massif) compared with those from the Saxo-Thuringian Zones ...
Ulf Linnemann +2 more
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Abstract Cadomian orogenic processes and their continuum to the opening of the Rheic Ocean were modeled by making use of new LA-ICP-MS U–Pb ages from detrital zircons of sedimentary rocks of Late Neoproterozoic (Ediacaran) and Cambro-Ordovician sediments of the Ossa-Morena Zone (Iberian Massif) compared with those from the Saxo-Thuringian Zones ...
Ulf Linnemann +2 more
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Gondwana Research, 2014
Abstract Paleozoic siliciclastic rocks from the Schwarzburg area of the German Saxo-Thuringian Zone encompass a 250 Ma peri-Gondwanan sedimentary record from the Cadomian to the Variscan orogenies. The sediments were deposited in environments that changed through time from terrestrial to shallow marine, deep marine, and eventually with the onset of ...
Rolf L Romer, Anette Meixner
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Abstract Paleozoic siliciclastic rocks from the Schwarzburg area of the German Saxo-Thuringian Zone encompass a 250 Ma peri-Gondwanan sedimentary record from the Cadomian to the Variscan orogenies. The sediments were deposited in environments that changed through time from terrestrial to shallow marine, deep marine, and eventually with the onset of ...
Rolf L Romer, Anette Meixner
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2023
During Ediacaran to earliest Cambrian times, the Cadomian Orogen formed a system of magmatic arcs and marginal basins at the northern periphery of the Gondwana supercontinent. The orogenic belt was structured in the geotectonic style of the recent western Pacific. The Saxo-Thuringian Zone forms part of the northern Bohemian Massif and contains a number
Linnemann, Ulf +7 more
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During Ediacaran to earliest Cambrian times, the Cadomian Orogen formed a system of magmatic arcs and marginal basins at the northern periphery of the Gondwana supercontinent. The orogenic belt was structured in the geotectonic style of the recent western Pacific. The Saxo-Thuringian Zone forms part of the northern Bohemian Massif and contains a number
Linnemann, Ulf +7 more
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Precambrian Research, 1988
Abstract Brioverian (Late Proterozoic) sediments of the Armorican Massif in Northwest France are contained within isolated basins whose development is linked to Cadomian orogenesis. These basins were formed between c. 650 and 530 Ma ago, mainly by gravitational flow processes.
E. Denis, M.P. Dabard
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Abstract Brioverian (Late Proterozoic) sediments of the Armorican Massif in Northwest France are contained within isolated basins whose development is linked to Cadomian orogenesis. These basins were formed between c. 650 and 530 Ma ago, mainly by gravitational flow processes.
E. Denis, M.P. Dabard
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The Cadomian orogeny in the Iberian Massif revisited
Geological Society, London, Special PublicationsThe exposed basement of the Variscan Iberian Massif includes various remains of the accretionary Cadomian orogen that fringed the northwestern margin of Gondwana in the late Neoproterozoic–Terreneuvian. Subduction of the Mirovoi Ocean beneath Gondwana was responsible for the formation of an arc system that was finally accreted to the continental margin.
J. Javier Álvaro, Cecilio Quesada
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The Cadomian orogeny and its influence on the Variscan evolution of western Europe
Geological Society, London, Special Publications, 1990Abstract The south-north zonation of the Variscan orogen in Western Europe, from Ligerian internal mobile zones in the south, to Hercynian external ensialic zones in the north, appears to be controlled by the north-south zonation in the older Cadomian orogenic belt which was developed in the northern margin of Gondwana.
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