Decades after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, sediment ...

It turns out the answers are in Earth's rocks. Even the Greeks and Romans realized that layers of sediment in rock signified old age. But it wasn't until the late 1700s -- when Scottish geologist ...

It explains how rocks break down into mud and sand through natural elements, which are then carried downstream by rivers. Sediments settle in layers as they reach calmer waters, such as reservoirs ...

The “quartz-monitor” research project investigates the intrinsic chemical variations of detrital monocrystalline quartz and inclusions (mineral and melt) as an innovative sediment provenance tool. The ...

New research reveals how rock strength plays a crucial role in erosion, shaping landscapes over millions of years.

The sediment retention dam in Toutle has become less and less effective as it fills, switching from catching about 80% of passing sediment to allowing 80% to pass, according to ...

What comes to your mind when you imagine a river? A stream of water flowing through landscapes? While that's partly true, ...

Get Instant Summarized Text (Gist) The demolition of the Olloki dam has significantly increased sediment transport, with pebbles traveling longer distances. Over seven years, 1,800 stones were ...