Basalt | search
Click here to view Basalt news from 60+ newspapers.
Bookmark or Share- Basalt | Definition, Properties, & Facts | BritannicaBasalt, 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: Igneous Rock - Pictures, Definition, Uses & MoreBasalt 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 | Properties, Formation, Composition, Uses - Geology ScienceBasalt 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 dark gray, and its fine-grained texture.
- Basalt - Igneous rocks - SandatlasBasalt 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.
- A Guide to Basalt: A Common, Fine-grained, Dark-Colored Volcanic RockBasalt is a common and widely used, fine-grained, dark-colored mafic volcanic rock. It has mainly calcic plagioclase feldspar and augite.
More
