basinal extensions, to seek base level geol.

[Olexia]

Контекст:
During lowstands in sea level if streams were present, they would seek base level though these gaps and deposit reservoir-grade sandstone packages on the slope area west of the ridge, perhaps, as basinal extensions of the clastic Upper Inmar sands as shown in fig.5.

[Igor Kravchenko-Berezhnoy]

to seek base level --- стремиться к базису эрозии

as basinal extensions of the clastic Upper Inmar sands -- в качестве протягивающихся вглубь бассейна песчаников......

[Olexia]

Спасибо, Игорь, за ваше терпение.