Definition of flood basalt
WebFlood basalt definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now! Webflood basalt in British English. noun. a very extensive lava flow of basaltic composition that has issued from a fissure, often to be found as part of a series of such flows …
Definition of flood basalt
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Webflood basalt n a very extensive lava flow that has issued from a fissure, often to be found as part of a series of such flows one on top of another, forming a plateau See → fissure … Webbasalt, extrusive igneous (volcanic) rock that is low in silica content, dark in colour, and comparatively rich in iron and magnesium. Some basalts are quite glassy (tachylytes), and many are very fine-grained and compact. It …
Webbasalt. 1. (Geological Science) a fine-grained dark basic igneous rock consisting of plagioclase feldspar, a pyroxene, and olivine: the most common volcanic rock and usually extrusive. See flood basalt. 2. (Ceramics) a form of … WebThe Columbia River Basalt Group (CRBs) is a series of flood basalts. Flood basalts are large volcanic eruptions, similar to Hawaii, where a great deal of basalt is erupted and cover an extensive area. In this case, the …
http://geokem.com/flood-basalts-2.html WebFlood basalts in the oceans are known as oceanic plateaus, and include the Ontong Java plateau of the western Pacific Ocean and the Kerguelen Plateau of the Indian Ocean. The narrow vertical conduit, postulated to connect the plume head to the core-mantle boundary, is viewed as providing a continuous supply of magma to a hotspot.
Webbasalt meaning: 1. a type of black rock that comes from a volcano 2. a type of black rock that comes from a volcano…. Learn more.
Web2X 48W Spot Flood LED Work Light Bar Driving Fog Lamp Car Truck Offroad SUV Boat. $16.99. $22.99. ... See all condition definitions opens in a new window or tab. Light Color. White. Shape. rectangle. Color Temperature. 6000K. ... Smooth Mushroom Face Massage Stone Lava Basalt Hot Stone Spa Therapy Body Facial (#334484724941) gustaf winstrandWebDuring late Miocene and early Pliocene times, a flood basalt engulfed about 63,000 square miles (160,000 km 2) of the Pacific Northwest, forming a large igneous province. As the … gustaf winrothWebApr 13, 2010 · As precise radiometric ages have become available, it has been determined that flood basalt episodes are brief and severe (with peak output of more than 1 million cubic kilometers over less than 1 million years, in most cases) ().Two other major mass extinctions have been correlated with flood basalt episodes: the end-Cretaceous event … gusta groothandelWebA logical definition of lava flow must embrace both simple lava sheets and substantial lava shields (compound lava flows) up to 600 m high. Flood basalt piles include both compound and simple flows, but the most extensive and far-reaching flows are simple and they are believed to form when the rate of extrusion of lava is particularly high. gustaf wrandingWebOver time, the layers build up to form a lava plateau. These plateaus are often called 'flood basalts' because the molten basalt flowed out of the volcano like it was water and … box-level inventory placementWebFlood Basalts are high volume eruptions that flood vast areas of the Earth, covering broad regions with flat lying lava surfaces. They are said to be the result of mantle convection … gustaf werner pettersson 1888http://dictionary.sensagent.com/Flood%20basalt/en-en/ gustaf wilhelm palm