And one of the most famous examples of these rainout deposits in deep water is the Burgess shale.
深水中降雨沉积物最著名的例子之一是伯吉斯页岩。
古生物学讲座
And they're typically preserved as what are called rainout deposits, where the sediment is just gradually falling out from the water column onto the seabed.
它们通常被保存为所谓的降雨沉积物，沉积物只是逐渐从水柱中落到海床上。
英语百科
Rainout
A rainout is the process of precipitation causing the removal of radioactive particles from the atmosphere onto the ground, creating nuclear fallout by rain. The rainclouds of the rainout are often formed by the particles of a nuclear explosion itself and because of this, the decontamination of rainout is more difficult than a "dry" fallout.