BurgessShale


BurgessShale
Burgess Shale
A rock formation in the western Canadian Rockies containing a wealth of fossilized invertebrates of the early Cambrian Period that were buried by an underwater avalanche of fine silt, preserving many details of their soft parts and providing valuable information about the evolution of early life.
  [After nearby MountBurgess.]

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Universalium. 2010.

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