A Reconstructed Subaerial Hot Spring Field in the ∼3.5 Billion-Year-Old Dresser Formation, North Pole Dome, Pilbara Craton, Western Australia

Authors :: Malcolm R. Walter
Diego Martin Guido
Jeff R. Havig
Martin J. Van Kranendonk
Kathleen A. Campbell
Tara Djokic
Source :: Astrobiology. 21(1)
Publication Year :: 2020
Abstract: Recent discoveries of geyserite and siliceous sinter with textural biosignatures in the ∼3.5 Ga Dresser Formation of the Pilbara Craton, Western Australia, extended the record of inhabited subaerial hot springs on Earth by ∼3 billion years, back to the time when siliceous sinter deposits are known to have formed on Mars (

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