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Geology of Colorado (Boulder Valley) - Field Trip #1, Stop #4: Lykins Formation

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Lykins formation, Forelle member: Side view of stromatolite. Over time, calcareous sediments (limestone) and other materials were trapped in the layers of filamentous colonies of cyanobacteria. When living, the stromatolites live in shallow, warm water and are dome shaped. Living examples can be found in Shark Bay, Australia and the Gulf of California.
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Lykins formation, Forelle member: Side view of stromatolite. Over time, calcareous sediments (limestone) and other materials were trapped in the layers of filamentous colonies of cyanobacteria. When living, the stromatolites live in shallow, warm water and are dome shaped. Living examples can be found in Shark Bay, Australia and the Gulf of California.



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