What might be the causes and should we be more worried about them?What is a sinkhole?A sinkhole is a depression in the ...

People living in 30 properties in the Surrey village of Godstone have been evacuated from their homes after a huge sinkhole ...

Some important characteristics of local formations, include: Limestone is commonly formed from the slow accumulation and lithification of carbonate sediments. In the case of our local rocks, these ...

A sinkhole in the Surrey village of Godstone has led to evacuations, disrupted water supplies and the declaration of a major ...

Metamorphic rock is formed when existing rock is transformed under high heat and pressure, which generally destroys any fossils that were in the rock before it was metamorphosed. For example, marble ...

Where limestone lies on top of an impermeable rock along a valley there can be several springs formed along the intersection of the two rocks. This is a spring line. The ice sheet which covered ...

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.

John Wesley Powell A professor of geology at Illinois Wesleyan ... This layer of rock, known as the Redwall Limestone, forms a sheer cliff 500 ft high or more in most areas.

hard rock, making the underground formation extremely "tight." Tight gas can also be trapped in sandstone or limestone formations that are atypically impermeable or nonporous, also known as tight ...