Sentence examples for sedimentary stone from inspiring English sources

It is a land of high relief and exposed geology, with dusty sedimentary stone and farm fields perched on ridge tops.

Right now he is looking at similarities between flowers and their extinct ancestors, whose fossils are found in deposits of clay, sedimentary stone and amber from the Cretaceous Period.

But even Sousath has misgivings about opening the sites to tourists, who sometimes clamber onto the jars or pick away at the worn, sedimentary stone.

Porous sedimentary stones are frequently used in the construction of many different kinds of buildings.

Sedimentary stones have been used since long as dimension stones, constituting the primary building material of several monumental structures all over the world.

It was a piece of chert, a sedimentary rock resembling flint that Indians shaped into stone tools.

A previous excavation, conducted in the 1970s, found 2,000 stone tools including some made of chert, a sedimentary rock dated at least 6,000 years old.

Hoodoos are composed of soft sedimentary rock and are topped by a piece of harder, less easily eroded stone that protects the column from the elements.

Sedimentary rock interacts with rainwater.

For full treatment, see sedimentary rock: Evaporites.

Oil shale is a dark, flaky sedimentary rock.