11. The Niagara caprock is made of dolomitic limestone ( " dolostone " ). 12. Dolostone from the Roker Formation has been quarried for building construction along the Durham coast.13. And they didn't have the obvious bedding of a dolostone ( sedimentary rock ). 14. Waterfall has formed on Devonian dolostone . 15. Because of being mostly made of dolostone and limestone the landscape has become a Karst environment. 16. The bedrock is Silurian, primary rock type is Dolostone with Shale being the secondary rock type. 17. The Scales is buried too deep and contains too much dolostone to be used for oil shale. 18. These nappes are generally composed of limestone, marl, dolostone and less by sandstones and slates. 19. This seepage causes carbonate minerals to dissolve out of the dolostone changing them to a bicarbonate form. 20. In the Middle Muschelkalk, weathering can form characteristic cellular dolostone ( " Zellendolomit " ).
