| Stems, twigs and driftwood embedded in the sand and mud were used to carbon-date the core sections. |
| You could carbon-date those coins and determine that one was from the twentieth century and one was from ancient Rome. |
| Now, I don't know that you can accurately carbon-date 20 years ago as the day facts left the building. |
| The Vatican was deciding whether to allow scientists to carbon-date a segment of the cloth. |
| It had proved impossible to carbon-date the bone fragment accurately because of an absence of collagen from the sample. |
| Specific references instantly carbon-date those films, rendering them ever more unintelligible to future viewers. |
