What is a synonym for relative dating?

Answer 1

Short Answer:

Relative dating is a scientific process of evaluation used to determine the relative order of past events. One does not get a specific estimate of the age of an object from relative dating, but one does get such an estimate of true age from absolute dating. There are several techniques employed in both sets of methods.

Long Answer:

Sciences such as geology, Paleontology and archeology are very interested in identifying the age of objects found and these scientists sometimes use both relative dating or absolute dating to characterize the age of the objects they study.

Before radiometric dating (or other methods like counting tree rings) it was difficult to determine the actual age of an object. Radiometric dating, based on known rates of decay of radioactive isotopes in objects, allows a specific age of an object to be determined to some degree of accuracy.

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. 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.

Similarly, relative dating is done by paleontologists who find layers of fossils. By deducing which fossils are formed in the sequence of time, the periods when the particular fossilized entities existed can be arranged in order without the actual dates of when the fossils were laid down.

For geologists, it is similar. Looking at how rock formations are structured, a geologist may be able to say which rock was developed in which layer in a particular order but not be able to determine that actual geologic age of the layers.

Answer 2

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