The sequence of development of culture or the relationship between events that represent culture can be established only when events can be placed in proper time.
Chronology, the study of events in time frame, is hence the central theme of archaeologist, like the geologist who deals with the story of earth history.
According to the Dictionary of Anthropology, the word chronology means the science of computing dates or treaties showing arrangement of events with dates.
Relative dating includes methods that rely on the analysis of comparative data or the context (eg, geological, regional, cultural) in which the object one wishes to date is found.
This aspect of Werner's model was useful for explaining the origin of tilted sedimentary rocks.
(dark brown) Flat lying sedimentary rocks were eventually precipitated.
There are three carbon isotopes that occur as part of the Earth's natural processes; these are carbon-12, carbon-13 and carbon-14.
The unstable nature of carbon 14 (with a precise half-life that makes it easy to measure) means it is ideal as an absolute dating method.