The deep-water fan systems were spread over paleo shelf-edge and controlled by growth faulting and its down-slope direction.
深水扇系统广布于受同沉积断层控制的古陆架坡折带及其下倾方向。
2
It had been assumed that the ice extended westward from the Alaskan/Canadian mountains to the very edge of the continental shelf, the flat, submerged part of the continent that extends into the ocean.