The timeline for Noah's flood comes directly from scripture and this is the framework that we use to interpret evidence from the stratigraphic column.
The Timeline for Noah’s Flood
The Duration of Noah’s Flood
We need to understand where the Iridium anomaly is found in the stratigraphic column as compared to the sequence of Noah's flood that we can deduce from the sedimentary evidence.
Heavy Rainfall and Aridity
If the rocks of the Devonian tell a tale of the world being flooded and then drying out, why are we surprised?