Arrowheads and Stones
Date: Spring 2012
When hunting for arrowheads on our farm we sometimes find what seems to be points or tools covered in limestone. The shape and size are the same as the ones we find made of flint or chart. Can flint artifacts become encased in limestone?
Not likely. Pieces of natural chert, or flint, are often in limestone
or similar appearance. Those pieces may look like artifacts but are
not. We can speculate that the natural appearance of those pieces of
chert helped people figure out how to make tools of them, but that's
only a guess.
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Update: June 2012