Basalt - Wikipedia
网页Basalt (UK: / ˈ b æ s ɔː l t,-əl t /; [1] US: / b ə ˈ s ɔː l t, ˈ b eɪ s ɔː l t /) [2] is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon. More than 90% of all volcanic rock on ...
Basalt, Colorado - Wikipedia
网页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.
Basalt: Igneous Rock - Pictures, Definition, Uses & More
网页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. It has a composition similar to gabbro.
Basalt | Definition, Properties, & Facts | Britannica
网页2 天之前 · Basalt, extrusive igneous (volcanic) rock that is low in silica content, dark in color, and comparatively rich in iron and magnesium. Basalts may be broadly classified on a chemical and petrographic basis into two main groups: the tholeiitic and the alkali basalts.
Basalt | Properties, Formation, Composition, Uses - Geology Science
网页2023年4月23日 · Basalt is one of the most common rock types on Earth, and it can be found in various locations around the world, both on land and under the ocean floor. Basalt is known for its dark color, typically ranging from black to …
Basalt Rocks - Wikipedia
网页Basalt Rocks (Turkish: Bazalt Kayalıkları) are volcanic rock outcrops in the form of columnar basalt located in Sinop Province, northern Turkey. The area is a registered natural monument of the country.
Basalt Rocks: Identification, Characteristics, Pictures, and More
网页2024年3月17日 · Basalt, a common extrusive igneous rock, is primarily composed of plagioclase and pyroxene minerals. The basalt mineral content can vary, with additional minerals like olivine and magnetite sometimes present. Basalt’s classification is based on its mineral composition and texture, with the two main types being tholeiitic basalt and alkali …
A Guide to Basalt: A Common, Fine-grained, Dark-Colored …
网页2023年8月17日 · Basalt is a common and widely used, fine-grained, dark-colored mafic volcanic rock. It has mainly calcic plagioclase feldspar and augite.
Basalt - Igneous rocks - Sandatlas
网页Basalt is a major rock type that occurs in virtually every tectonic setting. Basalt is clearly the most common volcanic rock on Earth and basaltic rocks (including gabbro, diabase and their metamorphosed equivalents) are the most common rocks in the crust 2. Basalt is also common on the Moon and other rocky planets of the Solar System.
Basalt: characteristics, formation, uses - ZME Science
网页2024年1月4日 · Basalt is a fine-grained, extrusive igneous rock predominantly formed from the rapid cooling of mafic lava, which is low in silica and rich in magnesium and iron. In geology, “extrusive”...
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