Burgess Shale(redirected from Burgess Shale fossils)
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a bed of Cambrian sedimentary rock in the Rocky Mountains in British Columbia containing many unique invertebrate fossils
Burgess Shale[¦bər·jəs ′shāl]
A fossil deposit in the Canadian Rockies, British Columbia, consisting of a diverse fauna that accumulated in a clay and silt sequence during the Cambrian.