To the untrained eye, a collection of small fossils might as well be a pile of pebbles. Actually, even to the trained eye it's hard to distinguish between the two. So, how can you make sure you're bragging about a styracosaurus ankle and not driveway gravel? It's tough. Looking at it probably won't get you anywhere, but licking it might.
Location, Location, Location
How Many Licks Does It Take?
Why Do Geologists Lick Rocks?
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Written By Curiosity Staff September 6, 2017
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