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Our planet inherits a large number of artifacts and monuments bestowed upon us by older historic civilizations.These remains are subjected to dating techniques in order to predict their ages and trace their history.Thermoluminescence: It determines the period during which certain object was last subjected to heat.It is based on the concept that heated objects absorb light, and emit electrons. A Venn diagram depicts both dating methods as two individual sets.
It is based on the concept that the lowest layer is the oldest and the topmost layer is the youngest.When we observe the intersection in this diagram depicting these two dating techniques, we can conclude that they both have two things in common:1.Provide an idea of the sequence in which events have occurred.2.To find their age, two major geological dating methods are used.
These are called relative and absolute dating techniques.The object's approximate age can then be figured out using the known rate of decay of the isotope.