géologique means “geological” | MotiTan French Dictionary

More examples

On a observé des changements géologiques après de fortes pluies.

Geological changes were observed after heavy rains.

A cutaway of Earth's crust showing rock layers, their structure, and their changes over time.

géographique: Concerned with the positions, shapes, and distribution of areas shown on maps.

Qui décrit les caractéristiques de la croûte terrestre, comme la composition, la structure ou l'évolution des terrains.

Géologique comes from géologie, built on Greek gê, meaning earth, with -logie for the study of a subject and -ique forming the adjective.

Géologique usually follows the noun in phrases such as étude géologique and agrees in writing as géologiques in the plural.