Thrombolites Lake Clifton Yalgorup National Park WA Australia

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Thrombolites structures created by living micro-organisms which resemble the earliest forms of life Lake Clifton Yalgorup National Park WA Australia critically endangered microbial structures these organisms were the only known form of life on Earth from 35 billion to 650 million years ago They dominated the clear shallow seas of the period

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Photo credit: © Michael Maconachie / Alamy / Afripics
License: Licensed
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