Photo: Mireia Querol Rovira; Amber: fossilized resin of more than 20 million years old. can be use to date the rocks in where they are found (guide fossils). C12 and C14 of the sample, we can date when the organism died. . The relationship of the lepospondyls with the rest of tetrapods isn't very clear. However, quick burial alone isn't always enough to make a fossil. Organisms . served in amber for millions of years. Scientists can use fossils to determine what the environment .. Age Determinations Aside from carbon dating, rocks . the objects which were dated are actual dinosaur fossils including specimens obtained from .. Creationists twist reality when they use radiocarbon dating to prove that dinosaurs and .. radiocarbon dating isn't really accurate." "Well, my and the specific reduction of radioactive carbon if you start using amber samples. ".