Travel > PMR027K-07
© Peter Michael Rhodes
Photographer: | Peter Michael Rhodes | |||
Collection: | Travel | |||
Filename: | PMR027K-07 |
|||
Upload Date: | 2012-11-17 02:58:12 | |||
Photo Size: | 2.3mb 2480x3507 pixels | |||
Preview: |
|
Caption: | Australia, Western Australia, Shark Bay: Stromatolites: long believed extinct, butrecently rediscovered sediment-trapping algae under about 20 centimetres of water in Hamelin Pool, Shark Bay. They are one of the earliest forms of life and have been identified in rocks estimated to be 3000 million years old. |
Keywords: | geology, beginnings of life, evolution, world history |