Relative dating is the science of determining the relative order of past events without necessarily determining their absolute age (i.e. estimated age). In geology. Relative Dating (Steno's Laws). Long before geologists tried to quantify the age of the Earth they developed techniques to determine which.
A 50 cm wide light-grey felsic intrusive igneous dyke extending from the lower left to the middle right — offset in several places Using the principle of cross-cutting relationships outlined above, determine the relative ages of these three rock types. An example of an unconformity is shown in Figure 8.