Definition for relative dating
If sediments were deposited on a steep slope, they would likely slide downslope before they could be buried and lithified.
Unlike people, you can’t really guess the age of a rock from looking at it.
The succession of events in order of relative age that have produced the rock, structure, and landscape of a region is called the geologic history of the region.
We can use these principles to determine relative ages of the features.
We develop a geologic history of the region, deﬁning the relative ages of events that took place there.
Fossil Succession As Britain entered the industrial revolution in the late 18th and early 19th centuries, new factories demanded coal to ﬁre their steam engines and needed an inexpensive means to transport goods.