Some of our area's unique geological features and the processes that occurred to form them are: The fossil content of local limestone shows the diversity of life in the late Ordovician period.

Dangerous sinkholes can develop undetected over time. Graphics show you where in the U.S. they are likely to form.

Under the hills and valleys of Carroll County geologists find an odd assortment of rocks – products of earth’s complex ...

John Wesley Powell A professor of geology at Illinois Wesleyan ... leaving behind the layers named Kaibab Limestone, Toroweap Formation, and Hermit Shale. The Coconino Sandstone layer was ...

Limestone, made from calcium carbonate, takes millions of years to form. These sedimentary rocks are born from the decay and ...

"Limestone pavements are a habitat of high conservation value and they are protected for their unusual geology and the plants and animals that live in them. "But if we are to conserve them for ...

Caption Standing on limestone beds of the pre-glacial Garvellach Formation, looking North from Garbh Eileach over to Dun Chonnuil. Due to tectonic tilting, the sedimentary layers get younger, and ...