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Basalt - Wikipedia, the free encyclopedia
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Definition of Basaltic in the Online Dictionary. Meaning of Basaltic. Pronunciation of Basaltic. Translations of Basaltic. Basaltic synonyms, Basaltic antonyms. Information about Basaltic in the free online English dictionary and encyclopedia. ... 1. A hard, dense, dark volcanic rock composed chiefly ... The banks of the river,
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Therefore, basaltic lava can flow quickly and easily move >20 km from a vent. The low viscosity typically allows volcanic gases to escape without generating enormous eruption columns. Basaltic lava fountains and fissure eruptions, however, still form explosive fountains hundreds of meters tall.
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basaltic rock ( bə′söltik ′räk ) ( petrology ) Igneous rock that is fine-grained and contains basalt, diabase, and dolerite; if andesite is included ... Sci-Tech Dictionary: basaltic rock...
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What is the definition of Basaltic Lava? ... Types of basaltic lava? ... Does basaltic lava have iron in it?
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Calc-alkali basaltic lavas are characterized by calcic plagioclase with augite, pigeonite or hypersthene, and olivine as the dominant mafic minerals; basalts without olivine are also well-represented.
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Basalt is an extrusive igneous rock that is very dark in color. It is the most common type of rock in the Earth's crust and it makes up most of the ocean floor. ... It is made of many dark colored minerals such as pyroxene and olivine. ... Basalt forms when lava reaches the Earth's surface at a volcano or mid ocean ridge.
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Volcanic SO2 can affect the Earth's environment. Where no direct measurements of SO2 in the atmosphere are available, a petrologic method of assessing sulfur release from the magma must be used. ... The implied absence of excess sulfur in non-arc basaltic magmas is a reflection of source magma conditions, notably lower fO2...
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Words that rhyme with basaltic ... Dictionary lookup for basaltic ... One- and two-syllable First Syllable Rhymes of basaltic:
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Volumetrically, most lava is of basaltic composition. Basaltic melts have overall lower gas contents and are more fluid than their andesitic-to-rhyolitic counterparts. Their higher fluidity (lower viscosity) is a product of their lower SiO2 (silica) contents.
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