Realtive dating


22-Sep-2016 13:48

This is due to the fact that one or both of the objects may have been moved or redeposited into a different location. ANSWER: Relative dating is used to determine the relative ages of geologic strata, artifacts, historical events, etc.For a fossil to be a good index fossil, it needs to have lived during one specific time period, be easy to identify and have been abundant and found in many places. If you find ammonites in a rock in the South Island and also in a rock in the North Island, you can say that both rocks are Mesozoic.

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stratigraphy), absolute dating is a quantitative measurement allowing determination of a specific time, rather than relative Provide three examples of things that only apply to relative dating. However, we must be careful to note whether or not the fossil comes from the mixed strata zone of the filled in hole..However, the assumption of contemporaneity may not always be correct.This matching process is called correlation, which has been an important process in constructing geological timescales.

Some fossils, called index fossils, are particularly useful in correlating rocks.In many cases, however, it is possible to reconstruct the original sequence of strata so that they can be used for relative dating.