Mikhail Marov of the Vernadsky Institute of Geochemistry and Analytical Chemistry said scientists had determined the meteorite's age by observing the amount of radioactive isotopes and their decay byproducts, a technique called of a granodiorite at the Cuttaburra A prospect indicates that this mineralised system may be Middle Silurian in age and thus indicating that the host rocks are older than those hosting the Cobar-type deposits.
Two general processes used to figure out the age of rocks is relative dating and radiometric dating.
Whether it has advantages would depend upon the question being asked.
If, for example, you want to know the relative ages of strata that don't contain material suitable for radiometric dating, then it has no direct advantages.
The amount of the isotope in the object is compared to the amount of the isotope's decay products.
The object's approximate age can then be figured out using the known rate of decay of the isotope.
Relative dating is based on assumption, not able to give an accurate date but an estimated time period where the rock originated from.
A Danish scientist, Nicolaus Steno is accredited for the Law of Superposition.
Geologist Ralph Harvey and historian Mott Greene explain the principles of radiometric dating and its application in determining the age of Earth.Should, however, you want to know the absolute age in terms of years (plus or minus a bit), then radiometric dating is generally the method which can tell you that, if applicable.With some more recent deposits, peat bogs come to mind, you can produce sensible estimates without absolute dating.Peat deposits usually build up at a rate of between 0.5 to 1mm a year.If you can measure the depth of the bog, that alone enables you to roughly calculate the amount of time involved for either the whole bog or at any particular level.
The thing with dating is to use all methods that are available, so as to get as reliable result as possible.