Douwe van HinsbergenGreater Adria, depicted as it’s theorized to have looked 140 million years ago. Dark green areas represent land above water, while light green areas are submerged ...
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Continent-size blobs in Earth's mantle are a billion years old, ancient crystals revealContinent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds. Known as large low-seismic-velocity provinces (LLSVPs), these blobs are both hotter and ...
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