ずり

noun

muck; waste rock; spoil

Mining and tunneling term for earth, rock, or debris removed during excavation.

• トンネル工こう事じで出でたずりは、別べつの場ば所しょに運はこばれた。

  The muck from the tunnel construction was transported to another location.

• 鉱こう山ざんのずり捨すて場ばが山やまの斜しゃ面めんにある。

  The mine's waste rock dump is on the mountain slope.