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When and how the Earth’s first crust formed are questions that researchers have been asking for decades. Unfortunately, a handful of microscopic zircons are the only remnants of the Hadean […]
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The earth’s continental crust is characterized by a composition strongly enriched in Si, Al and alkaline metals (a ‘felsic’ composition). But what is the origin of this crust? This question […]
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Sprites, elves, jets… few people know that scientists habitually use such other-worldly words to describe transient luminous events or TLEs, light flashes that occur during active storms just a few […]