Radiocarbon Dating Tephra Search

This form allow searches to be made for tephra layers that have been radiocarbon dated. The radiocarbon ages are stored as uncalibrated radiocarbon years BP. Details on how to calibrate dates can be found here.

Select the time period you would like to search (uncalibrated radiocarbon years):

Choose which period of time:


Radiocarbon years:

uncalibrated radiocarbon years
uncalibrated radiocarbon years (optional)