Plate tectonics may have begun a billion years earlier than thought

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	Plate tectonics may have begun a billion years earlier than thought
	admin
	2020-11-20
发布年	2020
语种	英语
国家	国际
领域	地球科学
正文(英文)	By Michael Marshall The mountains of central Japan have a distinctive geological chemistry Moonie's World Photography/Alamy Plate tectonics may have begun 4 billion years ago, almost a billion years earlier than we thought, according to a new analysis of ancient rocks. The claim has earned a mixed response from geologists. Many argue that Earth was too hot at the time for plate tectonics in its modern form. Today, Earth’s crust is divided into several dozen rigid plates, which move around over millions of years. Where two plates meet, one can be forced under the other and destroyed inside the planet, a … Continue reading Subscribe for unlimited digital access Subscribe now for unlimited access App + Web Unlimited web access New Scientist app Videos of over 200 science talks plus weekly crosswords available exclusively to subscribers Exclusive access to subscriber-only events SUBSCRIBE AND SAVE Print + App + Web Unlimited web access Weekly print edition New Scientist app Videos of over 200 science talks plus weekly crosswords available exclusively to subscribers Exclusive access to subscriber-only events SUBSCRIBE Existing subscribers, please log in with your email address to link your account access. Paid annually by Credit Card Inclusive of applicable taxes (VAT)
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来源平台	NewScientist
文献类型	新闻
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/309217
专题	地球科学
推荐引用方式 GB/T 7714	admin. Plate tectonics may have begun a billion years earlier than thought. 2020.