For any reader who is watching the current impeachment proceedings in the U.S. Senate, I point to an earlier post that I did a year ago during the first impeachment proceedings. It was titled "The most interesting thing about the U.S. Senate impeachment hearings? THE ROCK!! (I should probably have titled it "The most interesting thing to a geologist about the...". See the link below:
https://www.blogger.com/blog/post/edit/4706799725776420299/9021789599785857658
The rostrum is a veined marble from Italy or Turkey called Rosso Levanto, meaning "red from the Levant." The figure shown at the right is from January 2020 hearings, but the rocks haven't changed!