The calcium carbonate precipitated out of the water and eventually solidified into limestone. Numerous marine organisms used the dissolved calcium carbonate in the seawater to form internal skeletons ...

There are three main types of rock: igneous rock ... Mudstone, shale, and limestone are examples of sedimentary rock likely to contain fossils. As the layers of sediment build up on top of one another ...

The specimen in question is an exquisite fossil of a gossamer-winged butterfly from the Isle of Wight. It is the only representative of its species ever found. Discovered in the Insect Limestone at ...