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isotopes and by digging
Aasthakatheriya1:
please describe it
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Fossils may be defined as the remains of the organisms which have been preserved in the form of molds or cast in rocks etc. since prehistoric ages.
There are two components to this estimation of age of fossils.
Relative- If we dig into the earth and start finding fossils, it is reasonable to suppose that the fossils we find closer to the surface are more recent than the fossils we find in deeper layers.
Dating fossils- detecting the ratios of different isotopes of the same element in the fossil material.
There are two components to this estimation of age of fossils.
Relative- If we dig into the earth and start finding fossils, it is reasonable to suppose that the fossils we find closer to the surface are more recent than the fossils we find in deeper layers.
Dating fossils- detecting the ratios of different isotopes of the same element in the fossil material.
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