Just to put the 50 million years ago time frame into perspective, the Himalaya mountains hadn't yet formed.
BTW,if you look up at the land mass illustration above, just over to the right of where it says, Indian Ocean, there's a rain forest in Malaysia that has been there for 130 million years....it just sat there as India 'scooted' by.
A 130 Million Year-old rainforest in Malaysia, and it's not in Borneo
Must have been on the other side of a transform fault, a slip boundary between two separate tectonic plates.
there's a rain forest in Malaysia that has been there for 130 million years
There must be a LOT of raking to do.