Method of dating fossils
For example, if the cultural contents of the lower deposit are Mauryan in character, appropriately this deposit may be assigned a date between 400-200 B. Similarly, if the cultural equipment of the upper deposit are of the Sunga period, this deposit has to placed between 200-73 B. Quite often, the archaeologist decided the change of stratum on the basis of the feed of the deposit.
However, there are other radioactive isotopes that can be used to date non-organic materials such as rocks and older materials up to billions of years old.At the time rocks form, however, their magnetic materials acquire the particular orientation of the planet's magnetism at the time, giving geologists a window into the Earth's magnetic past.He holds the Chair in Vertebrate Paleontology at the University of Bristol, UK, in addition to chairing the Masters program in paleobiology at the university.This parallelism is formed due to trade relations, particularly wehen trade followed in both directions.For example, beads closely resembling those from the temple repositories at Cnoss and dating from C.1600 B.