Stylolite

Rarity: Common

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At a glance

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Notion

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Science and technology

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What Wikipedia says

Stylolites (Greek: stylos, pillar; lithos, stone) are serrated surfaces within a rock mass at which mineral material has been removed by pressure dissolution, in a deformation process that decreases the total volume of rock.

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

Image: Michael C. Rygel, CC BY-SA 3.0, via Wikimedia Commons.