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Strange Bacterial Life Forms Emerged Less Than 800 Million Years After Earth's Formation
Posted by Guy Pirro on 6/27/2017 10:21 AM
Remains of microorganisms at least 3.77 billion years old have been discovered by an international team led by University College London scientists, providing direct evidence of one of the oldest life forms on Earth. Tiny filaments and tubes formed by bacteria that lived on iron were found encased in quartz layers in Quebec, Canada, where some of the oldest sedimentary rocks known on Earth exist. These rocks likely formed part of an iron-rich deep sea hydro-thermal vent system that provided a habitat for Earth's first life forms between 3.77 and 4.30 billion years ago. Earth was formed 4.54 billion years ago, so it appears that life on Earth emerged rather early in its history.
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