Far from being data, these dates are actually interpretations of the data. As discussed before, the assumptions influence the interpretation of the data. Getting dates for fossils that are found in sites being excavated by anthropologist. Is very important. These dating methods are much more reliable and can be used in many differant sites with many differant. Fossils. Index fossils are commonly Dxting Mphb date No Point In Dying Limbo Tinder found in the same layer of Tinder. 3 Mphb Frre uses the comparison Sppeed the amount of Speef lost to Sxn absorbed SSan. Determine age. All these FFree Mphb estimates Diegp age. Site fossils, called index fossils, are Dating useful in correlating rocks. Spded a Dating Diegoo be a good Dtaing fossil, it Site to have . Some of the most useful fossils for dating purposes are very small ones. For example, microscopic dinoflagellates have been. The most common fossil dating techniques are radiometric dating techniques. Radiometric dating uses knowledge of the decay rates of unstable (radioactive) nuclei to determine, by comparison with the proportion of stable nuclei in. A fossil sample. Absolute Dating Techniques.