I'd like to have details on the carbon dates on those kauri trees ...

NEWS RELEASE 19-FEB-2021 (EurekAlert)
42,000-year-old trees allow more accurate analysis of last Earth's magnetic field reversal
GFZ GEOFORSCHUNGSZENTRUM POTSDAM, HELMHOLTZ CENTRE
https://www.eurekalert.org/pub_releases/2021-02/ggph-4ta021921.php

Radiocarbon measurements on the remains of 42.000 years old New Zealand kauri trees provide the basis for better calibration of geological archives of this period.

Fit's very neatly, in some ways, perhaps, with my idea of the Flood carbon dated to 40 000 BC./HGL