sedimentary basin

Noun

(geology) A geologic structure, a basin (“bowl, depression, hole”) in harder rock that is filled-in with sediments.

Japanese Meaning

堆積盆地：硬い岩石の中に生じるくぼみ（ボウル、沈降部、穴）で、堆積物がたまっている地質学的構造物。

The geologists mapped the ancient sedimentary basin to understand past river systems and potential hydrocarbon deposits.

地質学者たちは過去の河川系や潜在的な炭化水素資源を把握するために、古い堆積盆地を調査した。

Sense（1）

(geology) A geologic structure, a basin (“bowl, depression, hole”) in harder rock that is filled-in with sediments.

sedimentary basins

（ plural ）