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Keywords: recrystallization
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Journal Articles
Journal:
The American Biology Teacher
The American Biology Teacher (2022) 84 (6): 336–341.
Published: 01 August 2022
... recrystallization. Similarly, the so-called collagen fraction of Mesozoic fossil bone (actually the total organic fraction) yields a falsely young “date,” due to the presence of organic contaminants, including glue that is added during fossil excavation. The contaminants are responsible for the falsely young...
Journal Articles
Journal:
The American Biology Teacher
The American Biology Teacher (2020) 82 (2): 72–79.
Published: 01 February 2020
... bone incorporates new radiocarbon by means of recrystallization and, in some cases, bacterial activity and uranium decay. Because of this, bone mineral – fossil or otherwise – is a material that cannot yield an accurate radiocarbon date except under extraordinary circumstances. Mesozoic bone...