A planet in transition: The onset of plate tectonics on Earth between 3 and 2 Ga?
Many geological and geochemical changes are recorded on Earth between 3 and 2 Ga. Among the more important of these are the following: (1) increasing proportion of basalts with “arc-like” mantle sources; (2) an increasing abundance of basalts derived from enriched (EM) and depleted (DM) mantle sourc...
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Format: | Article |
Language: | English |
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Elsevier
2018-01-01
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Series: | Geoscience Frontiers |
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Online Access: | http://www.sciencedirect.com/science/article/pii/S167498711630127X |