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The original rock from which soil or sedimentary rock is derived through weathering and erosion.
Les géologues étudient la roche mère pour comprendre la composition du sol.
Geologists study the parent rock to understand soil composition.
Commonly used in geology and soil science to refer to the unweathered rock beneath the soil.
This term is used to describe the unweathered rock layer beneath soil, crucial for understanding soil formation.
From French 'roche' (rock) + 'mère' (mother), literally meaning 'mother rock' in the geological sense.
The term is specific to geology and soil science, not used in everyday language.