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Both creationists and evolutionists often search for evidence to support their respective beliefs. Although most creationists derive their beliefs from the Bible, many still do look for evidence in the physical world to support the Bible's teachings. One fairly recent piece of evidence proposed by some creationists can be found near the Paluxy River in Texas. Certain individuals believe they have found human footprints mixed in or overlapping dinosaur footprints, among other evidence of human existence at the same time as dinosaurs. This evidence differs from a natural clock in that it does not attempt to create its own date for the dawn of man, but rather it is used to discredit the accepted geologic history in which man and dinosaur are not even close to cohabitating. According to modern paleoanthropologists, the hominid lineage split away from other ape lineages about six million years ago in Africa.
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Dating Dinosaur Fossils
Dating Sedimentary Rock - How Do Scientists Determine the Age of Dinosaur Bones? | HowStuffWorks
When paleontologist Mary Schweitzer found soft tissue in a Tyrannosaurus rex fossil , her discovery raised an obvious question -- how the tissue could have survived so long? The bone was 68 million years old, and conventional wisdom about fossilization is that all soft tissue, from blood to brains , decomposes. Only hard parts, like bones and teeth, can become fossils. But for some people, the discovery raised a different question. How do scientists know the bones are really 68 million years old?
How Do Scientists Determine the Age of Dinosaur Bones?
The most widely known form of radiometric dating is carbon dating. This 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 old. Dinosaur bones, on the other hand, are millions of years old -- some fossils are billions of years old.
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