Since we already know a pretty decent-sized meteor hit in the Yucatan, shouldn't we expect to see evidence of this process (at least starting to) happening ther

Since we already know a pretty decent-sized meteor hit in the Yucatan, shouldn't we expect to see evidence of this process (at least starting to) happening there? I'm not certain what that evidence would look like, and maybe 65 million years is too short a time period?