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This was a joint event of the American Geophysical Union (AGU) and the Asia Oceania Geosciences Society (AOGS).It appears that the researchers approached the matter with considerable professionalism, including taking great pains to eliminate contamination with modern carbon as a source of the C signal in the bones.The finding radically suggests that early humans may have once walked the earth with the fearsome reptiles thousands of years ago.The Triceratops brow horn was excavated by palaeontologist Otis Kline Jr, microscope scientist Mark Armitage, and microbiologist and avocational palaeontologist Kevin Anderson, in May 2012, and two horn samples (GDFM 12.001a and GDFM 12.001b) were given to the Glendive Dinosaur and Fossil Museum in Montana.
Triceratops, a name meaning “three-horned face”, is a genus of herbivorous ceratopsid dinosaur that is said to have first appeared during the late Maastrichtian stage of the late Cretaceous period, about 68 million years ago in what is now North America, and became extinct in the Cretaceous–Paleogene extinction event 66 million years ago.
Scientists never considered it worthwhile to run the test since it is generally believed that dinosaurs have been extinct for 65 million years, based on radiometric dating of the volcanic layers above or below fossils, a method which the Paleochronology Group states has “serious problems and gross assumptions must be made”.
"It became clear years ago that paleontologists were not just neglecting to test dinosaur bones for C-14 content but were refusing to.
Normally a good scientist will be curious about the ages of important fossil bones,” Hugh Miller, a research and consulting chemist and Head of the Paleochronology Group, told Ancient Origins in an email.
This is then incorporated into plants by photosynthesis, and animals acquire 14C by eating the plants.