Anh
adjacent strata
associated beds
associated strata
attendant strata
country rock
roof and floor strata
strata
surrounding rock
Đức
Nebengestein
Pháp
épontes
épontes /ENERGY-MINING/
[DE] Nebengestein
[EN] adjacent strata; associated beds; associated strata; attendant strata; country rock; roof and floor strata; strata; surrounding rock
[FR] épontes