basalt
Example Sentences
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The 129-foot waterfall — a wide curtain of white water cascading from a basalt cliff face — generates its own rainbow and once was dubbed the “Eighth Wonder of the World” by President Theodore Roosevelt.
From Los Angeles Times • May 5, 2026
Iron was released from weathering basalt and carried underground by acidic groundwater.
From Science Daily • Apr. 23, 2026
BOISE, Idaho—Each afternoon at around 4:30, the earth here shakes from a series of controlled explosions, as engineers blast through basalt bedrock to flatten out the ground underneath a gigantic new semiconductor factory.
From The Wall Street Journal • Feb. 17, 2026
They are a slightly lighter colour than the iconic hexagonal black basalt at the point of the causeway.
From BBC • May 27, 2025
Like the others they had faced, this one wore a simple white tunic over skin as rough and dark as basalt.
From "The House of Hades" by Rick Riordan
Vocabulary lists containing basalt
Black and Gray
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Rocks and Minerals - Middle School and High School
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