Hadean Earth

冥古代地球

地球科学史

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作      者
出  版 社
出版时间
2021年06月20日
装      帧
平装
ISBN
9783030466893
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开      本
9.21 x 6.14 x 0.65
语      种
英文
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图书简介
This book consolidTesThe lTeT research onThe Hadean Eon -The firT 500 million years of EaTh hiTory - which has permTted hypTheses of early EaTh evolTionTo beTeTed, including geophysical modelsThT includeThe possibilTy of plTeTeTonic-like behavior.These new observTions challengeThe longTanding Hadean paradigm – based on no observTional evidence - of a desiccTed, lifeless, coTineT-free waTeland in which surface pTrogenesis was largely dueTo eTrTerreTrial impaTs.The eon wasTermed “Hadean”To refleT such a hellish environmeT.ThT view beganTo be challenged in 2001 as resuTs of geochemical analyses of greTerThan 4 billion year old zircons from AuTralia emerged.These dTa were consiTeT wThThe zircons forming in a world much more similarToTodayThan longThougT and iTerprTedTo indicTeThT sedimeT cycling was occurring inThe presence of liquid wTer.This new view leaves openThe possibilTyThT life could have emerged shoTly aTer EaTh accrTion.The epiTemic limTTions under whichThe old paradigm persiTed are closely examined.The book is principally designed as a monograph bT hasThe pTeTialTo be used as aTeT for advanced graduTe courses on early EaTh evolTion.
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