Fossildating com

28-Oct-2017 02:05

Some are so perfectly preserved they look as if they are simply asleep.Flesh, hair, and even skin are often times found still intact on the animal.Freezing is one way of fossil formation and, in fact, is the best way although it happens rarely.In this process the remains (bones, shells, etc) must be continually frozen from the time of death until some bright-eyed Paleontologist comes along and digs them out of the ice.And there’s additional data to refute this old age assignment: The Kishenehn Formation also contains oil.If the rock is indeed millions of years old, then like blood’s heme pigments, oil’s organic, carbon-rich molecules should have completely degraded long ago—especially considering the voracious nature of oil-eating bacteria.Secular researchers have detected hemoglobin remnants like these in several other species, including tyrannosaur, hadrosaur, and mosasaur fossils.These fossils pose a huge problem for evolutionary dating methods.

Most longevity studies of biomolecules like hemoglobin, DNA, and collagen show decay rates in ranges that spell total disintegration of sterile samples from within a few months to several hundred thousand years, assuming reasonable Earth surface temperatures.If history is anything to go by, then the answer is no.The process generally used to date a fossil is circuitous and subject to differing interpretations.New Delhi: A 45 million to 55 million-year-old orchid fossil has been discovered by scientists that they believe is the oldest known.

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The new discovery has surpassed the earlier record, set when the last orchid fossil was found dating back 20-30 million-years-old in Dominican amber.The pollinaria was attached to the base of the gnat's hind leg.

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