sediment covered

Sediment covered the bodies over millions of years, preserving the bones.

In time, mud and sediment covered these plains of decaying organic matter.

Other areas have had sediments covered with concrete to prevent the fish eating the benthos.

They got stuck somewhere at a bend, and sediments covered the remains until they were removed by Dermitzakis' team.

The sediments covered the layers of carbon and contained also the shells of giant ammonites.

After a long hiatus Pleistocene and Holocene sediments covered the formation discordantly.

The rivers had long ago dried up or been diverted, and sediment covered the elevated terraces, concealing the diamond-bearing pockets.

It is not known exactly how much sediment covered the shipwreck at the time of its discovery because the prop-wash blower was deployed before sending divers down.

In the western half, only the northern foreland is present; it is made up of gently folded, but strongly jointed, epicontinental Mesozoic sediments covered and hidden by Miocene molasse sediments.

The closing of the Betic corridor is recorded by the presence of lagoonal, silty sediments covered by a stromatolite layer and crowned by a red soil in the westernmost outcrops.