乱らん掘くつ

noun, noun or participle which takes 'suru', transitive verb

reckless mining; overmining

Refers to mining without proper planning or regulation, often leading to resource depletion or environmental damage. Used both as a noun and with する as a transitive verb.

• この地ち域いきでは石せき炭たんの乱らん掘くつが問もん題だいになっている。

  Reckless mining of coal has become a problem in this area.

• 金きんを乱らん掘くつした結けっ果か、山やまが荒あれてしまった。

  As a result of overmining gold, the mountain was ruined.