igneous
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Traditionally, lithium is mined from sources such as pegmatites, which are coarse-grained igneous rocks, and volcanic clays.
From Science Daily • Apr. 16, 2026
Heavy rare earths are formed over millions of years, as rainfall weathers igneous rocks, breaking them down and leaving elements concentrated near the surface.
From Barron's • Dec. 21, 2025
One thing about the PVP that delights Coffey is that it is composed of all three kinds of rock — sedimentary, metamorphic and igneous.
From Los Angeles Times • May 3, 2024
Zalasiewicz points out that some rocks originate as liquid, as when lava cools and solidifies into igneous rocks; these rocks form quickly.
From Slate • Apr. 27, 2024
Por′phyrite, one of the crystalline igneous rocks, which consists principally of plagioclase.—adjs.
From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various
Vocabulary lists containing igneous
In A Sedimental Mood: Rock and Gem Vocabulary
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Physical Geography - Middle School
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Elements of the Universe: Ign, Igni ("Fire")
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