He reset his tricorder to scan for organic remains and found that the ground beneath their feet was rich with them.
The carbon then decays: and as C has a half life of 5570 years, it is suitable for dating organic remains.
The soil here is deep gravel, which quickly disposes of organic remains.
The carbon-14 dating system for organic remains has provided seven results at the site.
In this context organic remains are very important in determining if and when an underwater archaeological site was above water.
For the earlier times, radiocarbon dating of organic remains and charcoal offers independent dates.
Siluria: The history of the oldest known rocks containing organic remains.
Even later it may stand up, as the cops may not tell anyone that they were unable to find organic remains.
But there are no organic remains of any kind.
All over the world, rocks of this antiquity were carefully searched for organic remains.