Sentences with phrase «piles of sediment»

Massive piles of sediment known as spoil banks mark the graves of defunct projects companies haven't bothered to clean up.

He and colleagues thought that the answer to the floodwater question might also lie in the lakes» moraines — piles of sediments bulldozed by glaciers into high ridges that act as dams.

Today it's a salt - saturated pile of sediment located in the northeast corner of Brazil.

Hydrate Ridge is a pile of sediments that has been scraped off and piled up as the tectonic plate carrying the northwest Pacific Ocean slides under North America.

The target in Gale would be its 5 - kilometer - high pile of sediments — or rather the bottom layers, laden with both clays and sulfates that may record the loss of an early, life - friendly environment on Mars.

Not exact matches

This shows that most of the material eroded over the last two centuries still remains as «legacy sediment,» the scientists write, piled up at the base of hillslopes and along valley bottoms.

Some of the sediment is scraped off during subduction and piled up on the top plate, forming a thick wedge of material, while the rest of the sediment travels down with the bottom plate.

This movement creates a wave of pressure that travels through the sediment until it eventually piles up on itself, and liquefaction initiates somewhere else, possibly somewhere unexpected.

So Gaetano Di Achille and Brian Hynek of the University of Colorado, Boulder, considered 52 martian deltas — piles of river - borne sediment — that formed at the level of some body of standing water, as the Mississippi delta is forming at the level of the Gulf of Mexico.

In that region, called the Newark Basin, 5 miles of sediment layers spanning 32 million years had piled up in a sinking basin.

As the researchers reported online last month in Environmental Science & Technology, this kind of bacteria thrives in the waterlogged sediments, rich with decaying vegetation, that pile up behind beaver dams.

There, they collected mud from the sea floor, which builds up for millions of years like a giant layer cake as newer sediments pile on top of older ones.

As sediments form on the floor of the ocean and snow piles up, trapping air bubble into ice, they store information concerning the climate of their day and the factors which affected it.

Water Wells First believes vibrations from pile driving and now the operation of the wind farm have caused Kettle Point black shale sediments from the bedrock to clog several water wells.

After decades of run - off from agriculture, human sewage and industrial practices, phosphorus has been stock piled at an alarming rate in our lake bed sediments.