Việt
đá cứng
Anh
hard rock
consolidated rock
well-consolidated rock
Đức
erhärten
hartes Gestein
Festgestein
Pháp
roche dure
roche cohérente
hard rock /SCIENCE/
[DE] hartes Gestein
[EN] hard rock
[FR] roche dure
consolidated rock,hard rock,well-consolidated rock /SCIENCE/
[DE] Festgestein
[EN] consolidated rock; hard rock; well-consolidated rock
[FR] roche cohérente
o đá cứng