Ancient Earth leaves a fading signature
Rare-earth isotopes are providing clues to the nature of the Earth's first crust. Richard A Lovett reports. >To continue reading click link or copy paste the links to web server http://ift.tt/2m6AAVl
✍ Source : ☕ Cosmos Magazine
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✍ Source : ☕ Cosmos Magazine
Enjoy and dont forget to 👍 Like & 💕 Share!






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