In this period, both at the lake and the east steep shore, it deposited thick dark shale deposition, as the first set of source rocks depression of the depression.

在这个时期，湖盆内部和东部陡岸，沉积了厚度较大的湖相暗色泥岩沉积，成为本凹陷的第一套烃源岩层。

youdao

Small landslides constantly add to the steep rubble slopes along the lake's shore, and large boulders periodically drop into the lake.

小规模的山体滑坡不断落在沿着湖岸的陡峭碎石山坡上，巨大的卵石不时落入湖里。

youdao

There was no road to Olymbos - the rest of the island remained a long, steep hike down to the shore and a boat ride away.

BBC: The lost world of Olymbos

Two days into the journey and 19 miles from the starting point, we secured our three boats at the shore and followed a sandy trail up the steep embankment.

WSJ: The Grand Canyon's Secret Network