- Basalt - Wikipedia
The shape, structure and texture of a basalt is diagnostic of how and where it erupted—for example, whether into the sea, in an explosive cinder eruption or as creeping pāhoehoe lava flows, the classic image of Hawaiian basalt eruptions
- Basalt: Igneous Rock - Pictures, Definition, Uses More
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
- Basalt – Formation, Properties, Characteristics Earth’s Most Common . . .
Basalt is the most abundant volcanic rock on Earth, covering more than 90% of the ocean floor and large continental regions shaped by ancient lava flows It forms when mafic magma, rich in iron and magnesium but low in silica, erupts from the mantle and cools rapidly at or near the surface
- Basalt | Definition, Properties, Facts | Britannica
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, Uses, and Famous Locations | Complete Guide
Explore the strength and versatility of basalt, a volcanic rock with widespread uses in construction, industrial applications, and art Learn about its formation, types, famous locations, and how to care for basalt in this detailed guide
- Basalt: Composition, Properties, Types, Uses – Geology In
Basalt is defined as a fine-grained, dark-colored igneous rock composed mainly of plagioclase and pyroxene minerals, with or without olivine It is formed from the rapid cooling of basaltic lava exposed at or very near the surface of the Earth (extrusive or volcanic rock)
- Basalt Rock | Composition, Textures and Geological Role
Basalt is a very common dark-colored volcanic rock composed of calcic plagioclase (usually labradorite), clinopyroxene (augite) and iron ore (titaniferous magnetite) Basalt may also contain olivine, quartz, hornblende, nepheline, orthopyroxene, etc Basalt is a volcanic equivalent of gabbro
- BASALT Definition Meaning - Merriam-Webster
The meaning of BASALT is a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite
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