I saw a documentary that suggested that they used a light acid to dissolve the soft rock away from a fossil like this, but I never understood how they figured out the fossil was in there in the first place.
Originally posted at stories.starmind.org.
I saw a documentary that suggested that they used a light acid to dissolve the soft rock away from a fossil like this, but I never understood how they figured out the fossil was in there in the first place.