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Extrusive
Title
Extrusive
Subject
Rocks which have formed by the eruption of igneous material onto the surface of the Earth are described as extrusive.
Description
Compare with intrusive.
Collection
Citation
“Extrusive,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/191.