Anh
mother rock
parent rock
source bed
source beds
source rock
Đức
Ausgangsgestein
Muttergestein
Ursprungsgestein
Pháp
roche mère
Ausgangsgestein,Muttergestein,Ursprungsgestein /SCIENCE,ENERGY-MINING,ENERGY-OIL/
[DE] Ausgangsgestein; Muttergestein; Ursprungsgestein
[EN] mother rock; parent rock; source bed; source beds; source rock
[FR] roche mère