THE OOLITE. 



587 



been metamorphosed. The Oolite is divided into Upper, Middle, and 

 Lower, consisting of the following : 



{Pembroke Beds. 

 Portland 

 Kimmeridge Clay. 



f Calcareous Grit. 

 Middle Oolite < Coral Rag. 

 [ Oxford Clay. 



" Cornbrash" Forest Marble. 

 Stansfield Slate. 



Lower Oolite 



Bath Oolite. 

 Fuller's Earth. 

 Inferior Oolite. 



Fg. 675. Sketch-map of various geological formations. 



The Oolite formation (see Map) occupies a stretch of country in 

 England extending from Yorkshire into Dorset. The Great Oolite holds 

 the Fuller's earth, and the Bath stone is also well known. The Stonesfield 

 slate holds many remains of reptiles. It is a kind of shelly limestone, 

 and is used for roofing purposes. The Forest Marble (so called from 



