How is absolute dating done
Radioactive dating refers to the process of measuring the age of an object using the amount of a given radioactive material it contains.Relative dating, meanwhile, measures the order of past events, without determining their absolute age.Relative dating is a scientific process of evaluation used to determine the relative order of past events, but does not determine the absolute age of an object.The circumstances of the object may allow one to say that one object is older than another without being able to assign a particular age to the objects.
Short Answer: Radiometric dating is one type of method used in absolute dating.
Very often historical evidence is found in layers and older layers are further down that the top layers.
For example: If an archaeologist is studying past civilizations, the archaeologist may be able to say that in a particular location the ruins of one civilization were found to have been built on another and so the layers unearthed in an excavation convey the sequence of historical occupations without revealing the actual dates.
Absolute dating of rock is achieved by radiometric dating techniques.
Relative dating is achieved by determining the position of rock in strata, and the appearance of certain index fossils.
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