Until you identify which sediments are pre-, syn-, and post-flood, that statement carries little weight.
The only way that's possible is if you place the date of the flood at ~220 million years ago, and as you know, humans were not around at that time.
That is not the only time a supercontinental landmass has been assembled on our planet. However making such propositions does not help your position one bit.
This is not supported by any evidence, and is disproved by all available evidence. It's safe to say that plate tectonics has occurred at a relatively gradual rate for millions of years. This is evidenced beyond reasonable doubt.
As for falsifications of catastrophic plate tectonism, there are three routes to take:
1. There is no viable mechanism for catastrophic plate tectonism:
Catastrophic Plate Tectonics would have ended life on earth.
2. There is evidence that the plates have moved slowly:
The Hawaiian Islands Revisited: Refutation of YEC/Catastrophic Plate Tectonism
3. A catastrophic explanation does not account for the current configuration of mountain ranges and does not account for the past configurations of plates as per paleomagnetic data:
Appalachian Mountains: Refutation of Catastrophic Plate Tectonism
It just doesn't fit the evidence. There simply was no flood and a catasrophic plate tectonic explanation does nto halp that cause.
I see you are taking the making-stuff-up approach.
At least you admit that much.