This helps us to understand how that species fits into the evolutionary tree of change; when did they first appear and when did the last of their kind walk this Earth? Radiometric dating involves exploiting the radioactive decay of unstable atoms naturally present in the structure of bones and rocks. In old dinosaur bones, the material is buried under layers upon layers of sediment under high pressure. This means that it is almost impossible for isotopes to enter or leave the premises. By comparing the ratio of unstable isotopes vs. When dating a specimen, there are many different isotopes that can be tracked.
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Experiments are replicated in the belief that increasing the number of results supporting a hypothesis increases the evidence for the hypothesis. In a similar manner, the more evidence of young ages for dinosaur fossils, the more compelling the evidence in total becomes.
Could the dinosaur ages now be said to be precisely what the carbon dating results indicated?
Even this is too old for many creationists, who would expect them to be less than 6 to 10 thousand years old. Several factors may possibly account for this seeming discrepancy. The increased humidity before the flood would have reduced the formation of carbon in the atmosphere, while the drier air after the flood would have allowed more carbon formation. This could make younger fossils yield dates greater than their actual age.
Evidence of differing dates for parts of the same animal support the hypothesis that there was a change in the carbon concentration or in the decay rate. One interesting observation is that rapidly-growing body parts, such as hair, would absorb carbon from most recent concentrations, while slower-growing body parts, such as bone or muscle, might contain concentrations of carbon based on levels of carbon existing at earlier times in the environment of the animal.
Therefore, evidence of differing carbon concentrations i.
We now will look to see if there is just such evidence. A frozen musk ox found at Fairbanks Creek, Alaska, had scalp muscle tissue 24, years old and hair 17, years old according to carbon dating. At least three other frozen animals, two mammoths and a mastodon, have been found with parts of their bodies with carbon ages far different from other parts or from surrounding plant life that perished with or shortly after the animals.
If the conventionally accepted age of dinosaurs is wrong, then what about other conventionally accepted dates? Other dates are thrown into question. This implies there may be less certainty about the time frame during which species supposedly evolved. One point that is worth noticing is that these dinosaur ages are all much younger than the conventional ones. This implies there was less time for evolution to occur. Even with the accepted millions and millions of years for evolution to supposedly have brought mammals into existence from their precursors, evolution still has many problems.
Shortening the time available just makes evolution even more unlikely.
Evolutionists have said the following. Co-occurrence of men and dinosaurs. Such an association would dispel an Earth with vast antiquity. The entire history of creation, including the day of rest, could be accommodated in the seven biblical days of the Genesis myth.
Many people are under the false impression that carbon dating proves that dinosaurs and other extinct animals lived millions of years ago. What many do not realize is that carbon dating is not used to date dinosaurs. The reason? Carbon dating is only accurate back a few thousand years. So if scientists believe that a creature lived millions of. "Carbon dating dinosaur bones is ludicrous, and the fact they yielded numbers is meaningless," Krishtalka said. While paleontologists use several methods in dating, part of the disparity rests in the need for researchers to make some assumptions about the gross age of bones so the appropriate test method can be used. Carbon (C) dating of multiple samples of bone from 8 dinosaurs found in Texas, Alaska, Colorado, and Montana revealed that they are only 22, to 39, years old. Dinosaurs Living With Humans. Dr. Dennis Swift has spoken much and written much about the concept that people, in earlier centuries, have lived with dinosaurs.
Evolution would be vanquished. There is an infinite variety of ways in which, sincethe general concept of evolution might have been demolished.
The unequivocal discovery of a fossil population of horses in Precambrian rocks would disprove evolution.
More generally, any topsy-turvy sequence of fossils would force us to rethink our theory, yet not a single one has come to light. As Darwin recognized, a single geographic inconsistency would have nearly the same power of destruction. The evidence strongly hints that evolution is, at best, not on as firm a foundation as many have claimed.
Carbon dating dinosaurs
Do we look at the evidence and let it speak, or do we deny the evidence because of our biases? This is the choice we face when confronted with evidence such as presented in this article.
Science is theories built on evidence; evidence built on theories i. Skip to main content. Search form Search this site.
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November, Joe Spears MS. Dinosaurs supposedly died out 65 million years ago. An apatosaurus was found in late Jurassic strata of the Morrison formation, and excavation was done in and In a triceratops horn was found. A femur bone from a hardosaur in was found in the Hell Creek formation. An acrocanthosaurus carnivorous dinosaur specimen was excavated in near Glen Rose, Texas and was tested in by the University of Georgia.
Special care was taken to prevent this kind of contamination.
Bones were cleaned by ultrasonics. Then the bone was crushed and acetic acid was applied to remove any possible external contamination carbonates.
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Hydrochloric acid was added to dissolve the bone and release carbon dioxide, which was then chemically treated to produce graphite. This graphite was then tested for carbon Other evidence indicating younger ages for fossils These findings about dinosaur fossils are just a piece of the evidence indicating assumed ages are perhaps mistaken.
(Had the scientists known the samples actually were from dinosaurs, they would not have bothered dating them, since it is assumed dinosaurs lived millions of years ago-outside the limits of radiocarbon dating.) Interestingly, the C analysis indicated that the bones were from 10, years old-a far cry from their alleged million. Jan 15, The most widely known form of radiometric dating is carbon truthexchange-sow.com is what archaeologists use to determine the age of human-made artifacts. But carbon dating won't work on dinosaur bones. The half-life of carbon is only 5, years, so carbon dating is only effective on samples that are less than 50, years truthexchange-sow.com: Tracy V. Wilson. Carbondated dinosaur bones are less than 40, years old. s. Researchers have found a reason for the puzzling survival of soft tissue and DNA fragments in dinosaur bones - the bones are younger than anyone ever guessed.
Carbon in diamonds Diamonds supposedly formed even further back in the past than dinosaurs -over a billion years ago. This helps us to understand how that species fits into the evolutionary tree of change; when did they first appear and when did the last of their kind walk this Earth?
Radiometric dating involves exploiting the radioactive decay of unstable atoms naturally present in the structure of bones and rocks.
Dinosaurs went extinct 65 million years ago. To determine the age of a dinosaur fossil, carbon dating can never be used. Carbon only works for fossils less than 75, years old. Jun 17, But in the case of millions-of-years-old dinosaur bones, any 14 C present would have long since decayed, making radiocarbon dating only good for about samples that are at most 75 years old 2. Accurate dating of samples requires that the parent radioactive isotope has a long enough half-life such that it will still be quantifiable today. Apr 27, What About Carbon Dating of "Old" Dinosaur Bones? Posted on April 27, May 4, By Mike Posted in Age Of Dinosaurs The Carbon method is only used to date things that were once living such as wood, animal skins, tissue, and bones (provided they are not mineralized).
In old dinosaur bones, the material is buried under layers upon layers of sediment under high pressure. This means that it is almost impossible for isotopes to enter or leave the premises.
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By comparing the ratio of unstable isotopes vs. When dating a specimen, there are many different isotopes that can be tracked. Now, this technique is pretty cool if you want to calculate the age of a tree, for example, or even an Ancient Egyptian king a few thousand years young.
But in the case of millions-of-years-old dinosaur bones, any 14 C present would have long since decayed, making radiocarbon dating only good for about samples that are at most 75 years old 2.
Accurate dating of samples requires that the parent radioactive isotope has a long enough half-life such that it will still be quantifiable today.
Carbon-14 dating decontaminated dinosaur bones
So, what are our options? Since there is insufficient uranium present in dinosaur bones to date directly, scientists go for igneous rock rock formed from magma - usually in the form of a mineral called zircon ZrSiO 4. Zircon is ideal because:.
Once the absolute age of a piece of zircon has been determined, it is matched to the sedimentary layers that it was found in. Dinosaur bones that are found in the same layer can then be dated based on this with a certain degree of accuracy.
In terms of charge, they are identical, meaning that they have the same chemical properties. However, mass spectrometry MS can be employed to exploit their differences in mass.
There exist many different variations of mass spectrometry, but they work by a similar principle. The sample is first vaporized turned into gas and ionized turned into positively charged ionsthen accelerated along the length of a tube.