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Abstract: The discovery of collagen in a Tyrannosaurus-rex dinosaur femur bone was recently reported in the journal Science.
Identification of the femur was made by comparing with photos and descriptions from a standard paleontology text-book and comparison with a young adult femur, 107 cm long.It's important to note that the authors concluded: "There was no statistical RC difference between the bones and that of the organic material and dating of mammoth bones is [thus] reliable." S. Examples of other magafauna RC dates include 50 mammoths buried together near Hot Springs, South Dakota, USA. All contain some corrected percent of modern C-14 (PMC'S). C-14 dates for carbon-containing material from the Chesapeake Bay or Chicxalub core samples would be useful for comparison.A date of ~26,000 years BP was obtained for bones that were devoid of collagen. Some examples from many references include: marble, 0.060-0.932 PMC, A. Controversial radiometric dates have been recorded for material from Hawaiian volcanic eruptions in 1800-1801 and the Hawaiian magma there gave dates of 1.41 and 1.60 million years BP according to G. Moreover, natural diamonds thought to be "greatly in excess of 100 million years" gave apparent variable RC dates of "64.9 ± 0.4 ka BP to 80.0 ± 1.1 ka BP.It is very slippery in wet, and crunchy in dry condition, according to paleontologist Otis Kline.Triceratops and Hadrosaur locations: The exact location for the Triceratops femur is 47 degrees 6 minutes & 18 seconds North by 104 degrees, 39 minutes & 22 seconds West. The highest nearby point is approximately 201 m southwest of the find and is 669 m above sea level.
The Hadrosaur location was in a dry wash which flows into Frank Creek, then into Glendive Creek and then into the Yellowstone River just North of Glendive Montana in the NW ¼, NE ¼ of Sec.