KEY BISCAYNE HERITAGE TRAIL
CRANDON PARK
Beach & Bay Loops:  Round-the-Park
FOSSIL REEF:  OVERLOOK
Prehistoric

 
A protected fossil reef lies close to shore.  Carbon dated to about 60 A.D., scientists describe the reef as “Key Biscayne’s Petrified Forest”, made of ancient roots of the black mangrove (Avicennia germinans).  The 4.5 acre rock reef is home to small marine animals and plants found in inter tidal zones.  It is the oldest natural land (or water) mark on this barrier island, a significant geological resource first noted in 1850, but not significantly investigated until one-hundred years later.  A sea turtle egg hatchery is located on the nearby ocean beach.
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