Petrology

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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Notion

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Science and technology

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What Wikipedia says

Petrology (from Ancient Greek πέτρος (pétros) 'rock' and -λογία (-logía) 'study of') is the branch of geology that studies rocks, their mineralogy, composition, texture, structure and the conditions under which they form. Petrology has three subdivisions: igneous, metamorphic, and sedimentary petrology.

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

Image: Arlette1, CC BY-SA 3.0, via Wikimedia Commons.