最終更新日：2024/08/08

The layer of hardrock that lies beneath any surface soil, clay, silt, gravel, and/or sedimentary rock.

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baserock

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baserock

noun

The layer of hardrock that lies beneath any surface soil, clay, silt, gravel, and/or sedimentary rock.

I found a baserock while hiking in the mountains.

意味（1）

The layer of hardrock that lies beneath any surface soil, clay, silt, gravel, and/or sedimentary rock.

The crack extends down to the baserock and up to the dam crest.