A thin calcareous sandy layer in this division has yielded the remains of many insects and leaf fossils.

The sandy layers have eroded more quickly causing their shape.

The Arab town was erected atop this sandy layer and many treasures are still lost below the surface of the modern streets.

Researchers also noted that some of the hydrates appeared to occur in the sandy layers of the cores.

The top sandy layers were underlain by a deep layer of blue clay, into which the tunnels were dug.

Some of the sandy layers can have been made into sandstone by diagenetic processes.

Around 65 million years ago non-marine sediments left a sandy layer behind.

Place them on a sandy layer over seed compost in trays, adding more sand to cover all but the tips.

Groundwater occurs in silty to sandy layers of the alluvial sediments.

The valley floor was covered with a soft, sandy layer of soil, not dusty though dry.