Comments on Gigapan: Snowball Earth Educational Rock Sample Suite PFH-3

Pseudomorphosed aragonite crystal fans in calcimicrite from the Hayhook Formation. PFH-3 is an aragonite crystal fan from the Mackenzie Mountains in northwest Canada. The aragonite has been partially replaced by dolomite and calcite minerals. The sample records several intervals of fan growth and truncation, and is ...

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    Size

    0.34 Gigapixels

    Added

    July 18, 2012

    Date Taken

    July 18, 2012

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    Tags

    m.a.g.i.c., macro, geology, snowball, snowball earth, and 5 more

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