A log of wood believed to be 50 million years old has been hauled up from below ground at Diavik diamond mine in the N.W.T. — a find that researchers say is remarkable but not uncommon.

(Diavik Diamond Mine/Facebook) Diavik says it’s talking about what to do with its wood specimens as it approaches closure A log of wood believed to be 50 million years old has been hauled up ...