Duck Creek Dolomite - 3.992" Stromatolite Formation dunkleosteus Above: While there have been

Above: While there have been numerous extinction events scattered across time

another predator ruled the seas

You might think of great whites as bloodthirsty monsters that attack any humans they come across

Hypacrosaurus was a large Ornithischian dinosaur from the Cretaceous Period

55" along the widest point

Duck Creek Dolomite - 3.992" Stromatolite Formation dunkleosteus Above: While there have beenWith its striking orange coloring and limestone like properties, Duck Creek Dolomite is both a beautiful formation and a curious geological phenomenon. Abundant in ancient deposits but rarer in newer formations, Dolomite continues to puzzle geologists. This specimen is a 3. 992" piece of Dolomite from Duck Creek, a part of Western Australia's Ashburton Basin, dating to 1. 8 billion years ago. It shows evidence of a stromatolite fossil, a prehistoric