A Virtual Tour of the NMNH: Early Life
Earth 3.5 Billion Years Ago
 Volcanoes


Volcanoes dotted the landscape 3.5 billion years ago--but what are those mushroom-shaped mounds? Not rocks, but colonies of single-celled microbes called stromatolites. Geologic forces still at work today shaped the Earth, even as these very early forms of life emerged.


Early Life Main Page Stromatolite Ediacaran Diorama Dickensonia Burgess Shale Diorama
Early Life
Main Page		 Stromatolite Ediacaran Diorama Dickensonia Burgess Shale Diorama

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