The deepest layers of carbon-14 dated H2O ice constitute inward the Col du Dôme of the Mont Blanc glacier inward the French Alps furnish a tape of atmospheric weather condition inward the ancient Roman era. Published inward Geophysical Research Letters, the study, led past times an international squad too coordinated past times a CNRS scientist at the Institute for Geosciences too Environmental Research (IGE)(CNRS/IRD/UGA/Grenoble INP)*, reveals meaning atmospheric pollution from heavy metals: the presence of Pb too antimony (detected inward ancient alpine H2O ice for the starting fourth dimension time here) is linked to mining action too Pb too silvery production past times the ancient Romans, good earlier the industrial age, inward fact.
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