Divided into two parts, the book shows how stratigraphy is the key to understanding the history of the Earth. The first part examines the ba sic stratigraphical methods used to establish, date and interpret the rock record as the product of a series of events whithin Earth history . The second part presents the results obtained by geologists, who hav e used these stratigraphical tools to reconstruct the pattern of globa l environmental change through geological time and focuses on the geol ogical evolution of the North Atlantic region. The Key to Earth Histor y is essential reading for...