Around 80 million years old (in 2011)
No. It would harden in to the same kind of rock.
Old Harry's Rocks are around 65 million years old!!
THIS IS SO ANNOYING, I HAVE TO KEEP CHANGING THIS ANSWER! THEY are named after and Old Pirate Named Harry...
Old sea floor rocks are much younger than old continental rocks! This is because the oceanic lithospheric plate forming the seafloor tends to be recycled at places known as subduction zones where it...
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