The rocks indicate an ancient, iron-rich environment, but the rover wasn't able study details of the rock's composition.

Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of ...

Flint is a highly durable stone found in abundance as irregular-shaped nodules in sedimentary rocks such as chalk. It has been used as a construction material since the Roman era, though it is not ...

The Science Education Center houses thousands of rock and mineral samples in what is known as "The Rock & Mineral Room." The entire collection can be viewed by clicking on each of the virtual drawers ...

Southwestern Ohio's limestone (a sedimentary rock) is saturated with life — life from about 450 million years ago, that is. Our local limestone layers reflect times of relative prosperity for the wide ...

a type of sedimentary rock, but also from various flint varieties from beyond the Carpathian ridge, as well as from Moravia. Analogous tools have been primarily found in the territory of today's ...

Many of the finds were flakes of flint and chert - a hard, fine-grained sedimentary rock - but rudimentary tools were also discovered, according to the Local Democracy Reporting Service.

Relative dating to determine the age of rocks and fossils Geologists have established a set of principles that can be applied to sedimentary and volcanic rocks that are exposed at the Earth's ...

This used to be sand and other sediment - that's why it is called sandstone - which is a type of sedimentary rock. Sedimentary rocks are formed when pieces of rock are eroded, or worn away ...

NASA's Perseverance Mars rover is negotiating a steeply sloping route up Jezero Crater's western wall with the aim of cresting the rim in early December. During the climb, the rover snapped not ...

Minerals in sedimentary rocks emit characteristic visible luminescence called cathodoluminescence (CL) when bombarded by high energy electrons. CL emissions can be displayed as colour images in a ...