Hydrologists drilling in the largest crater in the country have found the oldest body of seawater ever unearthed. The water, which is at least 100 million years old, was found one kilometer beneath Chesapeake Bay in Virginia. What distinguishes the old water from the new water? The helium content indicated that is from the Early Cretaceous Period. Older water has been discovered in Canada, but this is the oldest body of water. Let’s not confuse the two. The impact actually helped to preserve the water as it trapped it beneath the ground in a region approximately the size of a large lake.
[ Read the Article: 100 Million Year Old Seawater Discovered Under Chesapeake Bay ]