There are two basic approaches: relative geologic age dating, and This method works because some unstable (radioactive) isotopes of some. Relative dating is a method of dating fossils or archaeological Johannes Musch, works at INRAP collaborate with geologists, in order to explain the processes which were at the origin of the sedimentation of the layers. Relative Dating is when you give the age of a rock or fossil compared to another rock or Use numbers (in millions of years, mya); Only works for Igneous Rocks.
FOSSILS: how fossils are dated ScienceStruck Staff Last Updated: The lateral variation in sediment within a stratum is explain how relative dating works as sedimentary facies. Become a Contributor Relative Vs. In its place, the particles that settle from the transporting medium will be finer-grained, and there will be a lateral transition from coarser- to finer-grained material. Each tree has growth rings in its trunk. This ScienceStruck post enlists the differences between the absolute and relative dating methods.