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staircase-like structure
Each cross-section or "slice" comes in a small glass display case and is intended only for educational and display purposes
The Touch Mini Museum case is a black Riker case with 35 different specimens and a bonus expansion slot:
the main tooth was flanked by two smaller structures called cusplets
took full advantage of this change and appeared on the plains and forests of North America where they thrived in the new world for millions of years
Duck Creek Dolomite - 5.149" Stromatolite Formation beatles staircase-like structureWith 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
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