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what is basalt

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Is basalt a sedimentary rock? - Quora

Basalt is an extrusive and mafic igneous rock. It commonly comprises the bulk of ocean islands and the oceanic crust. Basalt occurring on continents is often associated with rifting and forms part of a large igneous province and/or flood basalt.

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What is basalt? Igneous rock | Quatr.us Study Guides

Basalt is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes, so it's one kind of igneous rock. When the lava cools quickly, it turns into basalt. Usually basalt is black or gray. Basalt is a mixture of feldspar and pyroxene, a rock made mainly of silica and oxygen. Pyroxene […]

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Basalt: Igneous Rock - Pictures, Definition, Uses & More

What is Basalt? Basalt is a dark-colored, fine-grained, igneous rock composed mainly of plagioclase and pyroxene minerals. It most commonly forms as an extrusive rock, such as a lava flow, but can also form in small intrusive bodies, such as an igneous dike or a thin sill.

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Basalt - Wikipedia

Basalt is one of the most common rock types in the world. Basalt is the rock most typical of large igneous provinces. The largest occurrences of basalt are in the ocean floor that is almost completely made up by basalt. Above sea level basalt is common in hotspot islands and around volcanic arcs, specially those on thin crust.

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What Are the Uses of Basalt Rock? | Reference.com

Basalt may be cut into thin slabs and used as monuments, building veneers or floor tiles. Dark in color, basalt rock is an igneous rock, which are (rocks produced under intense heat. Its dark color is partly as result of the minerals olivine and aspyroxene. Basalt rock forms when hot lava gets to …

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Basalt | Definition of Basalt by Merriam-Webster

Basalt definition is - a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite. a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite…

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Statistics, Biology & Chemistry : What Is Basalt? - YouTube

 · Basalt is a type of volcanic igneous rock that forms outside of the earth and is used for different purposes in construction. Discover how basalt is used as a major component of asphalt for roads ...

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What Is Basalt? - ThoughtCo

Basalt is the dark, heavy volcanic rock that makes up most of the world's oceanic crust. Some of it erupts on land, too, but to a first approximation basalt is an oceanic rock.

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Basalt | Technic Pack Wiki | FANDOM powered by Wikia

The article Basalt is still unfinished and may be lacking detailed general information, screenshots, and crafting recipes. Please expand the article and remove the {{unfinished}} tag once the article can be considered complete. The article Basalt is still unfinished and may be lacking detailed...

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Basalt ~ Learning Geology

Basalt is a fine grained volcanic igneous rock formed of plagioclase and pyroxene minerals. It is most commonly formed by lava flow and in sills and dykes. Basalt is similar to gabbro in composition but the difference lies in the grain size of the two rocks.

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What is Basalt? - Definition, Uses & Composition - Video ...

Basalt is a typically dark-colored, extrusive igneous rock, and igneous means that it formed from rapidly-cooled lava on the earth's surface. Remember that extrusive means it hardens at the ...

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Basalt, CO - Basalt, Colorado Map & Directions - MapQuest

Basalt is a Statutory Town in Eagle and Pitkin counties in the U.S. state of Colorado. The population was 2,681 at the 2000 census. Basalt is located at 39°22′6″N 107°2′18″W / 39.36833°N 107.03833°W / 39.36833; -107.03833 (39.368382, -107.038263), along State Highway 82, and at the confluence of the Fryingpan and Roaring Fork Rivers.

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Basaltic Lava: Definition & Characteristics

Basaltic lava is another term for mafic lava.Mafic lava is molten rock that is enriched in iron and magnesium and low in silica. When mafic lava cools on the earth's surface, it forms basalt ...

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What is basalt? ers.com

Basalt is an igneous rock that forms from the relatively rapid solidification of basaltic lavas; that is, those magmas that are relatively high in iron and magnesium, and low in silica and aluminum. These features give basalt its dark color and higher relative density when compared to silicate igneous rocks.

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Columnar Basalt - Geologist explains spectacular stone ...

 · Formation of Columnar Basalt is quickly described in this 2 Minute Geology episode. Columnar Basalt is the result of cooling and cracking of an unusually thick basaltic lava flow.

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Basalt rock - ScienceDaily

Basalt is a common gray to black volcanic rock. It is usually fine-grained due to rapid cooling of lava on the Earth's surface. It may be porphyritic containing larger crystals in a fine matrix ...

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What is Basalt Fiber - Basalt Fiber Tech - Main Section

The Basalt Fiber History From a volcanic lava to an advanced composite. From Lava to Rock. Basalt is a type of igneous rock formed by the rapid cooling of lava at the surface of a planet.

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Lunar Rocks | National Air and Space Museum

Distribution of Basalt. Basalt (shown in pink) is not distributed uniformly over the Moon. Nearly 26% of the near side of the Moon is basalt and only 2% of the far side is basalt. Most basalt in either hemisphere is found in areas of lowest elevation, particularly in the very large impact basins.

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Basalt | Definition of Basalt by Merriam-Webster

Basalt definition is - a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite. a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite…

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Basalt - definition of basalt by The Free Dictionary

basalt - the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene pyroxene - any of a group of crystalline silicate mineral common in igneous and metamorphic rocks

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BASALT - Wiki Journal Club

The BASALT results add to growing evidence that patient-directed medication adjustment may be appropriate in the majority of patients with mild to moderate persistent asthma. (This includes IMPACT, BEST, and a 2005 study by O'Byrne and colleagues.)

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Basalt | Minerals Education Coalition

Basalt is a mafic (dark) igneous, extrusive volcanic rock. As such, basalt may be vesicular (containing small cavities) and brecciated (having angular fragments). It is typically hard, tough and dense.

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Basalt - Wikipedia

Basalt is one of the most common rock types in the world. Basalt is the rock most typical of large igneous provinces. The largest occurrences of basalt are in the ocean floor that is almost completely made up by basalt. Above sea level basalt is common in hotspot islands and around volcanic arcs, specially those on thin crust.

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BASALT | meaning in the Cambridge English Dictionary

basalt definition: 1. a type of black rock that comes from a volcano 2. a type of black rock that comes from a volcano (= mountain that explodes and throws out hot rocks). Learn more.

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Basalt Rocks - Windows to the Universe

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 also contains some light colored minerals such as feldspar and quartz, but the amounts are small.

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Igneous Rocks - Basalt

Another common form is pillow lava which consists of pillows or balloon-like masses of basalt - usually with a very fine-grained or glassy outer layer. They are formed by the eruption of lava into water." (Hamilton et al 1976, 170)

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Basalt, Colorado - Wikipedia

Basalt is well known for its Gold Medal trout fishing in the Frying Pan River. Ruedi Reservoir is also a popular regional destination for boating and other watersports. Basalt is a hub for mountain biking in the Roaring Fork valley.

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Basalt | Define Basalt at Dictionary.com

Basalt makes up most of the ocean floor and is the most common type of lava. It sometimes cools into characteristic hexagonal columns, as in the Giant's Causeway in Anterim, Northern Island. It is the fine-grained equivalent of gabbro.

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Basalt and Granite

The trick is to heat the basalt back up again so it can melt and give the iron another shot at the core. It wants to be there, and heat is the key which unlocks the door. As it turns out, most of the ocean floor is basalt, and most of the continents are granite. Basaltic crust is dark and thin and heavy, while granite is light and accumulates ...

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Pillow Basalt FAQ - Golden Gate National Recreation Area ...

Pillow basalt is a volcanic igneous rock that forms when lava of basaltic compositionis erupted underwater. The rapid cooling of the lava by cold water on all sides forms the pillow-shaped bodies, which can then break open and extrude more of the hot lava from inside.

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