Question 17.5: Radiocarbon Dating A skull believed to belong to an early hu......
Radiocarbon Dating
A skull believed to belong to an early human being is found to have a carbon-14 content of 3.125% of that found in living organisms. How old is the skull?
Step-by-Step
Examine Table 17.3 to determine that a carbon-14 content of 3.125% of that found in living organisms corresponds to an age of 28,575 years.
| Table 17.3 Age of Objects Based on Carbon-14 Content | |
| Concentration of C-14 (% Relative to Living Organisms) |
Age of Object (yrs) |
| 100.0 | 0 |
| 50.0 | 5,715 |
| 25.00 | 11,430 |
| 12.50 | 17,145 |
| 6.250 | 22,860 |
| 3.125 | 28,575 |
| 1.563 | 34,290 |
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