Deposition of 1.88-billion-year-old iron formations as a consequence of rapid crustal growth

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Deposition of 1.88-billion-year-old iron formations as a consequence of rapid crustal growth

Iron formations are chemical sedimentary rocks comprising layers of iron-rich and silica-rich minerals whose deposition requires anoxic and iron-rich (ferruginous) sea water. Their demise after the rise in atmospheric oxygen by 2.32 billion years (Gyr) ago has been attributed to the removal of disso...

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Bibliographic Details
Main Authors:	Rasmussen, Birger, Fletcher, Ian, Bekker, Andrey, Muhling, Janet, Gregory, Courtney, Thorne, Alan
Format:	Journal Article
Published:	Nature Publishing Group 2012
Online Access:	http://hdl.handle.net/20.500.11937/17340

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