Sentence examples for layers of ash from inspiring English sources

Volcanic eruptions more than six million years ago left layers of ash, pumice, and tuff.

Tephrochronology, method of age determination that makes use of layers of ash (tephra).

There, layers of ash have accumulated and formed these highly fertile, though easily eroded, black soils.

Thick layers of ash from the eruption have been found as far afield as northern Pakistan.

The interspersing layers of ash show they were a regular occurrence.

The land tilted, the water drained, and successive layers of ash and sediment covered them for millennia.

A layer of ash settled over five villages on the mountain's slopes.

A thick layer of ash, also containing oil phials and burn bones, had been found there.

All other signs of the buildings' inhabitants had been reduced to a thick, dusty layer of ash.

"There is a thick layer of ash in the Liang Bua cave above the most recent hobbit remains," says Stringer.

He stares around, shell-shocked, trying to understand, a layer of ash on the surface of the water.