Duck Creek Dolomite - 3.992" Stromatolite Formation dunkleosteus Hypacrosaurus was a large Ornithischian

Hypacrosaurus was a large Ornithischian dinosaur from the Cretaceous Period

The Mini Museum Space Shuttle Fleet Bundle contains five NASA's Space Shuttle era

This specimen is a complete 4

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

and a large size

Duck Creek Dolomite - 3.992" Stromatolite Formation dunkleosteus Hypacrosaurus was a large OrnithischianWith 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