Việt
điệp than
trầm tích than
Anh
carboniferous
coal formation
Đức
Kohlenformation
Pháp
carbonifère
Kohlenformation /f/THAN/
[EN] coal formation
[VI] điệp than, trầm tích than
Kohlenformation /SCIENCE/
[DE] Kohlenformation
[EN] carboniferous
[FR] carbonifère