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Comments on Gigapan: Snowball Earth Educational Rock Sample Suite TS-15

  2. A massive clast-rich diamictite interpeted as a basal tillite deposited in direct contact with glacial ice. From the middle member of the Ghaub Formation in Namibia. Sample is 13 cm across at its widest point. This sample is from the Snowball Earth Educational Rock Sample Suite, and comes courtesy of Paul Hoffman...

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