Subject: Are there marine fossils found in the rocky mountains.

I know that marine fossils & shells are found at mountain tops, and this is 
because plate techtonics & volcanics push the sea floor up.  If this is the 
case, however, then I would expect not to find fossils at the top of the 
rockies (becuase they are an inland mountain range) or at the tops of old 
terestrial volcanoes where the mountain was not pushed up out of the sea 
floor.  Is this the case?

Re: Are there marine fossils found in the rocky mountains.