Global Flood Waters Discovered?

"Not only is the Chesapeake Bay so enormous it can be seen from space, it essentially came from outer space.
An asteroid or huge chunk of ice slammed into Earth about 35 million years ago, splashing into the

Early Cretaceous North Atlantic, sending tsunamis as far as the Blue Ridge Mountains and leaving a 56-mile-wide hole at the mouth of what is now the bay.
"What we essentially discovered was trapped water that’s twice the salinity of [modern] seawater,” said Ward Sanford, a USGS hydrologist. “In our attempt to find out the origin, we found it was Early Cretaceous seawater."
The Chesapeake Bay Impact Crater was discovered in 1999 by a tandem of USGS and Virginia Department of Environmental Quality scientists.
They theorized that a huge rock or chunk of ice slammed into an ancient ocean, sending enormous pieces of debris skyward and forcing monster tsunamis hundreds of miles inland." WashingtonPost

Or could it be-trapped global flood waters preserved? The meteors plummeted the earth helping to bust apart the crust of the earth and unleashing the great deeps....

In the six hundredth year of Noah's life, in the second month, the seventeenth day of the month, the same day were all the fountains of the great deep broken up, and the windows of heaven were opened. Genesis 7:11