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.
The molten material solidified into rare igneous rocks known as carbonatites, locking valuable metals into the crust.
From Science Daily • Jan. 23, 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
No geologist would dispute that shale and igneous rocks are rocks.
From Slate • Apr. 27, 2024
The Pliocene is of marine origin, and rests unconformably upon all the older beds, including the Post-oligocene igneous rocks, thus proving that the final folding and the last volcanic outbursts were approximately of Miocene age.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" by Various
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.