Last Updated
：2025/11/20
Mesoarchean
Adjective
not-comparable
Japanese Meaning
アーキアン期中期：アーキアン（太古）代の中の1つの地質時代で、約32億年前から28億年前に相当します。この期間は、ストロマトライトと呼ばれる微生物マットが存在していた時代でもあります。
Quizzes for review
(geology) Of a geologic era within the Archaean eon from about 3200 to 2800 million years ago; stromatolites have existed from this time.
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Mesoarchean
The Mesoarchean rock formations reveal early microbial ecosystems preserved in stromatolites.
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The Mesoarchean rock formations reveal early microbial ecosystems preserved in stromatolites.
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