Chalk, limestone, shale, and sandstone are all examples of sedimentary rocks. All these different sedimentary rocks are formed from the broken remains of other rocks that become joined together.

Often referred to as the rock that burns, oil shale boasts a high concentration of petroleum-like kerogens that will ignite when exposed to enough heat. The name is misleading. Oil shale, which is a ...

Shale is a sedimentary rock made up of tiny grains of silica, clay and other minerals. Many types of rock have few physical ...

Almost all fossils are preserved in sedimentary rock. Organisms that live in topographically low places (such as lakes or ocean basins) have the best chance of being preserved. This is because they ...

Hydraulic fracturing, or fracking, is a technique designed to recover gas and oil from shale, a sedimentary rock found worldwide. The amount of shale gas available in the UK is acknowledged to be ...

Higher incomes are often correlated with healthier pregnancies and babies, but is it really the money that matters? Sedimentary rocks that formed 390 million years ago, surprisingly, help provide the ...