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...
| Main Authors: | , , , , , |
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| Format: | Journal Article |
| Published: |
Nature Publishing Group
2012
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| Online Access: | http://hdl.handle.net/20.500.11937/17340 |