| http://www.w3.org/ns/prov#value | - St. Helens in the United States ranged from 350,000 to 2,700,000 years BP using K/Ar dating according to G. Berthault. 22 It is also interesting to note that K/Ar direct dating of tektites from cores in the Chesapeake Bay Impact gave 35.5 million years according to C. W. Poag 23 and G. S. Gohn et al. 24 Had carbon-datable material been RC dated from the cores such as shells, carbonized wood, amber
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