The bottom of the cup has a muddy sediment in it half an inch deep.

But where exactly would one throw away all this muddy sediment, especially given the high prices of disposal?

They report that the two volcanoes cover nearly 280 square miles of undersea terrain in a valley heavily laden with muddy sediments.

Most of the lake has a sandy bottom, but there are areas of soft muddy sediments.

It can be locally abundant on muddy sediment in shallow waters.

Mucrospirifer lived in muddy marine sediments, and were attached to the sea floor via the pedicle.

And now at last he could see something swirling the muddy sediment behind her, in the darkness beyond the lights.

It was like a tornado, a swirling cloud of muddy sediment.

They are usually found on muddy sediment and are most active at night, burying themselves under the sand during the day.

These bivalves normally live under the surface of sandy and muddy sediments, in the neritic zone.