Pillow lava

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

Pillow lavas are lavas that contain characteristic pillow-shaped structures that are attributed to the extrusion of the lava underwater, or subaqueous extrusion. Pillow lavas in volcanic rock are characterized by thick sequences of discontinuous pillow-shaped masses, commonly up to one meter in diameter.

Excerpt from the Wikipedia article “Pillow lava”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Auteur inconnu, Public domain, via Wikimedia Commons.