Carbon 14 dating dinosaur bones

” In other words, what about the bone itself makes it old?I’ve asked many people that question and the response is usually a short period of silence followed by the shrugging of the shoulders.Indeed both bones contained collagen and conventional dates of 30,890 ± 380 radiocarbon years (RC) for the Triceratops and 23,170 ±170 RC years for the Hadrosaur were obtained using the Accelerated Mass Spectrometer (AMS).Total organic carbon and/or dinosaur bone bio-apatite was then extracted and pretreated to remove potential contaminants and concordant radiocarbon dates were obtained, all of which were similar to radiocarbon dates for megafauna. Walter Libby's team of collagen from "dense mid-shaft femur bones" of twelve extinct saber tooth tigers, [Smilodon] from the Le Brea Tar Pits of Los Angeles CA.Seems logical, but the answer is “no.” Fossils are found in sedimentary rocks which cannot be dated by radiometric techniques. They typically date nearby igneous rocks that are above and below the sedimentary layer where they found the fossil. We thought it was between 70 and 100 million years, we dated it with Potassium-Argon and found it to be 72 million years old.” Then they publish their findings (leaving out the mistaken dates) and the world stands in awe!However, what often happens is that the various methods they use (Uranium-Lead, Potassium-Argon, Rubidium-Strontium, etc.) yield widely ranging dates. This is a clear case of evolutionary bias constricting scientists’ openness to what would seem obvious to most other people…The discoverers did not even report it for 20 years, because they had the look and feel of old cow bones and assumed they were probably just bison, not dinosaurs!(They were thinking that they couldn’t be dinosaur bones, because after millions of years, they would be completely fossilized, but these seemed fairly “fresh”.)Much more could be said about this, but the moral of the story is that what we are taught about dinosaurs, especially how old they are, doesn’t fit well at all with what we actually observe using good science.

To be holding or looking at something that lived millions of years ago… However, have you ever asked yourself or anyone else, “What is it about a dinosaur bone that makes it so old?

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Abstract: The discovery of collagen in a Tyrannosaurus-rex dinosaur femur bone was recently reported in the journal Science.

Typically what happens is that the scientist in the dating laboratory asks where the bone was found (i.e. This gives them an idea of about how old the bone “should be”. Well, if the layer is 70-100 million years old (according to their evolutionary beliefs), then the fossils they find in it should be somewhere in that range. If the layer where the fossil was discovered is claimed to be somewhere between 70-100 million years old (based on the previously “assigned age”) then the fossil must be in that range as well. Something must have gone wrong with the equipment, so we can throw that date out too.

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So now that we actually do have radiometric dating, do they then date the rock in which the fossil was found? Then, the Potassium method yields 72 million years and they say “See we were right!

The topic of dinosaurs came up one day and another student asked “How do they figure out how old the bones are?

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