igneous rock
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Granite, solid volcanic lava, and basalt are examples of igneous rock.
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Instead of the expected sedimentary deposits, Perseverance encountered igneous rock.
From Science Daily ● Sep. 30, 2026
Now if you were awake in high school science class, you’re thinking, igneous rock: volcanic lava.
From Los Angeles Times ● May 3, 2024
One popular theory suggests that minerals released by the weathering of igneous rock sucked enough carbon dioxide from the atmosphere to set off a deep freeze.
From New York Times ● Feb. 7, 2024
Which dark igneous rock is the most common rock formed from volcanic lava?
From Slate ● Nov. 16, 2023
Diabase, dī′a-bās, n. a compact igneous rock, an altered form of basalt—included under the popular names greenstone and trap.—adj.
From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various
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