[__ Science __ ] Stromatolites—Rare Reminders of a Lost World

[AIG.com]

In a few rare spots, geologists find fossils of strange eight-foot-tall “mushrooms.” What do they tell us about the mysterious world they came from?

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[TMal3]

The problem is that there are stromatolites below Snelling's "pre-flood/flood" boundary but also above it

Rethinking the Flood Boundary

Using Stromatolites to Rethink the Flood Boundary

Global Deposits of in situ Upper Cambrian microbialites: Implications for a Cohesive Model of Origins