Here are some photos of nice regular annual events that we use to calibrate the C14 dating method:
Tree Rings:
Ice Cores:
Lake Varves:
Spelotherm Cross Sections:
Coral Growth Rings:
When put the data together, we get an entirely consistent calibration:
Tree Rings:
Ice Cores:
Lake Varves:
Spelotherm Cross Sections:
Coral Growth Rings:
When put the data together, we get an entirely consistent calibration:
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