Duck Creek Dolomite - 5.149" Stromatolite Formation chicago Average weight is roughly 0

Average weight is roughly 0

The specimens are small and can be lost quite easily

For millions of years

While the fossil record holds a picture of many dramatic events

Duck Creek Dolomite - 5.149" Stromatolite Formation chicago Average weight is roughly 0With 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 5. 149" 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