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{%type%} Definitions

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Short "hint"

A laminated usually mounded sedimentary fossil formed from layers of blue-green algae, calcium carbonate, and trapped sediment.

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Usage examples (36)
  • The patch, called a stromatolite, formed millions of years ago when that section of land was under water.
  • But, consider this: a stromatolite is a large colony of single-celled organisms communicating with one another.
  • ANDREW KNOLL, PALEONTOLOGIST, HARVARD UNIVERSITY: What you see here, is something called a stromatolite, and if you look at it carefully, you'll see that ...
  • A conical stromatolite, conophyton, from the Siyeh Formation.
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