: a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite
Examples of basalt in a Sentence
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Hydrothermally altering your typical basalt will produce magnesium and calcium-rich hydrated minerals like those observed in the Bennu sample.
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Erik Klemetti, Discover Magazine, 27 June 2024
Make a stop to witness Diamond Rock, a 575-foot-tall basalt rock in the middle of the sea that gives the appearance of a floating iceberg.
—Kristin Braswell, Travel + Leisure, 25 June 2024
At a construction site, while installing new insulation and basalt siding on an apartment building that took a direct hit in Russia’s assault, Vadym Morozov talks of returning Staryi Saltiv to its glory days as a summertime family retreat.
—Howard Lafranchi, The Christian Science Monitor, 24 June 2024
Each honors the character of this former island mansion with its basalt stone arches, terracotta tiles and furniture carved from island cryptomeria.
—Katie Jackson, Robb Report, 20 June 2024
See all Example Sentences for basalt 
Erik Klemetti, Discover Magazine, 27 June 2024
Make a stop to witness Diamond Rock, a 575-foot-tall basalt rock in the middle of the sea that gives the appearance of a floating iceberg.
—Kristin Braswell, Travel + Leisure, 25 June 2024
At a construction site, while installing new insulation and basalt siding on an apartment building that took a direct hit in Russia’s assault, Vadym Morozov talks of returning Staryi Saltiv to its glory days as a summertime family retreat.
—Howard Lafranchi, The Christian Science Monitor, 24 June 2024
Each honors the character of this former island mansion with its basalt stone arches, terracotta tiles and furniture carved from island cryptomeria.
—Katie Jackson, Robb Report, 20 June 2024
See all Example Sentences for basalt
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“Basalt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/basalt. Accessed 15 Jul. 2024.
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: a dark gray to black usually fine-grained igneous rock
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