How To Use Extrusive In A Sentence
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The presence of extrusive volcanic rocks during the rifting stages suggests that a large volume of melt may also have been added to the crust intrusively.
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The northern margin of the melange is marked by a thrust contact with both the Carboniferous sedimentary rocks and extrusive volcanic sequence.
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In practice pyroclastic and volcaniclastic rocks include all the products of extrusive volcanic activity except lava flows.
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Extrusive igneous activity dominates the northwestern flank of the trough.
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The early Permian rifting in the North Atlantic involved siliciclastic sedimentation in extensional basins and widespread extrusive and intrusive magmatic activity.
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Trace element data and isotopic analysis demonstrate that the arc is composed of islandarc tholeiite and ocean-island basalts and calc-alkaline arc-type extrusive rocks.
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Various architectures connecting extrusive mud volcanic cones to their underlying source layer have been described, ranging from bulbous diapirs to steep diatremes and narrow vertical pipes.
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Various architectures connecting extrusive mud volcanic cones to their underlying source layer have been described, ranging from bulbous diapirs to steep diatremes and narrow vertical pipes.
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Although there are no outcrops of Devonian extrusive volcanic rocks in NW Scotland, they can be found in southern and central Scotland and the Orkney Islands.
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On the basis of geochemical analysis and field studies the extrusive volcanic rocks are generally interpreted as being associated with crustal extension.
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Teeth subject to lateral or extrusive luxation have been displaced and are loose.
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Intrusive igneous rocks such as diorite, gabbro and granite solidify below the Earth's surface while extrusive igneous rocks such as basalt, obsidian and pumice solidify on or above the surface.
The Brussels Journal - The Voice of Conservatism in Europe
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Conclusion Extrusive disjoint fingers should be regarded as an indication of replantative operation.
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These extrusive rocks are tilted and rest unconformably upon metamorphosed limestone, shale, and slate.
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The Chilwa province is composed of several granite, syenite, and nepheline-syenite plutons that are associated with extrusive carbonatites and agglomerates.
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Although there are no outcrops of Devonian extrusive volcanic rocks in NW Scotland, they can be found in southern and central Scotland and the Orkney Islands.
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The associated magmatism resulted in intrusion of volcanic rocks into the sedimentary basins, magmatic underplating at the base of the crust, and large amounts of extrusive material.
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It has a variety of features: several lateral craters, shield volcanoes, scoriae and lava cones, extrusive domes and huge detached rocks.
Volcanoes of Kamchatka, Russian Federation
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The occurrence of these felsic extrusive igneous rocks potentially provides key information on the complex interplay of magmatism and tectonics.
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Continental break-up produced voluminous extrusive volcanic deposits and associated igneous intrusions, and had a major impact on long-term climatic conditions in the early Tertiary.
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Besides the dyke swarms, the northern section is composed mainly of serpentinised peridotite and gabbro masses, although there are small areas of extrusive volcanic rocks.
MacQuarie Island, Australia
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In practice pyroclastic and volcaniclastic rocks include all the products of extrusive volcanic activity except lava flows.
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The sticky extrusive mass that comes from a cut on a pine tree is resin.
