Anh
barren rock
waste rock
Đức
taubes Gestein
wertloses Felsgestein
Pháp
roche stérile
roche stérile /SCIENCE/
[DE] taubes Gestein; wertloses Felsgestein
[EN] barren rock
[FR] roche stérile
roche stérile /ENERGY-MINING/
[DE] taubes Gestein
[EN] waste rock