Pyroclastic rock

Rarity: Uncommon

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

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Pyroclastic rocks are clastic rocks composed of rock fragments produced and ejected by explosive volcanic eruptions. The individual rock fragments are known as pyroclasts. Pyroclastic rocks are a type of volcaniclastic deposit, which are deposits made predominantly of volcanic particles.

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

Image: Geertivp, CC BY-SA 4.0, via Wikimedia Commons.