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Flood Basalt
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Geliefert zwischen Mi., 18.02.2026 und Do., 19.02.2026
Details
A flood basalt or trap basalt is the result of a giant volcanic eruption or series of eruptions that coats large stretches of land or the ocean floor with basalt lava. Flood basalts have occurred on continental scales (large igneous provinces) in prehistory, creating great plateaus and mountain ranges. Flood basalts have erupted at random intervals throughout geological history and are clear evidence that the Earth undergoes periods of enhanced activity rather than being in a uniform steady state. One explanation for flood basalts is that they are caused by the combination of continental rifting and its associated decompression melting, in conjunction with a mantle plume also undergoing decompression melting, producing vast quantities of a tholeiitic basaltic magma. These have a very low viscosity, which is why they 'flood' rather than form taller volcanoes. The Deccan Traps of central India, the Siberian Traps and the Columbia River Plateau of western North America are three regions covered by prehistoric flood basalts. The two largest flood basalt events in historic time have been at Eldgjá and Lakagigar, both in Iceland.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130613044
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Sprache Englisch
- Genre Geowissenschaften
- Anzahl Seiten 156
- Jahr 2010
- EAN 9786130613044
- Format Fachbuch
- ISBN 978-613-0-61304-4
- Titel Flood Basalt
- Untertitel Types of volcanic eruptions, Ocean, Lava, Basalt, Large igneous province, Prehistory, Mountain range, Geological history of Earth, Rift, Mantle plume, Tholeiitic basalt, Viscosity, Volcano
- Herausgeber Alphascript Publishing
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