The brachiopod and molluscan fauna of the Productus Limestone is describes in detail with a wealth of references. Though only two new genera, Blandfordina (Limidæ) and Palæolecanites ...

The Gait Barrows nature reserve in Silverdale is run by Natural England and has been described as having an "irreplaceable habitat". Some of its limestone pavements were extracted and many other ...

To produce Portland cement, limestone is mixed with raw materials such as siliceous stone and clay and is heated to about 1,450 °C. During this process, an intermediate product called ‘clinker ...

An optional $2 per person donation helps The Nature Conservancy maintain the preserve for people and wildlife. Pets, drones, alcohol and the collection of plants, animals, limestone rocks and ...