Duck Creek Dolomite - 5.149" Stromatolite Formation chicago Samuel Langhorne Clemens

Samuel Langhorne Clemens

This specimen is a piece of original cable from the bridge that was removed as part of a refurbishment project in the 1980s

Average weight is roughly 0

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Duck Creek Dolomite - 5.149" Stromatolite Formation chicago Samuel Langhorne ClemensWith 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