@pbeyssac Aux US 37% de l'or est utilisé pour la production d'appareils électroniques. C'est inférieur aux 50% de la bijouterie mais certainement pas une "proportion infime". https://t.co/pvO13OMxZj
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RT @MINExpo2020: A recent report from the U.S. Geological Survey revealed that $86.3 billion tons of minerals were mined in the U.S. more t…
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A recent report from the U.S. Geological Survey revealed that $86.3 billion tons of minerals were mined in the U.S. more than a $2 billion increase from 2018. https://t.co/XqSbunkhJE https://t.co/1l5CcKkH9a
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Mineral commodity summaries 2020, https://t.co/uCzK4xDAwL https://t.co/2I2R7S3Gb9