也许苏必利尔盆地的元古界农萨奇页岩，拥有有效烃源岩层序中由沉积到排烃时间最长的记录。

Perhaps the Proterozoic Nonesuch shale of the Superior Basin holds the record as the apparently effective source sequence with the biggest time-spread between deposition and expulsion.

youdao

也许苏必利尔盆地的元古界农萨奇页岩，拥有有效烃源岩层序中由沉积到排烃时间最长的记录。

Perhaps the Proterozoic Nonesuch shale of the Superior Basin holds the record as the apparently effective source sequence with the biggest time-spread between deposition and expulsion.

youdao