Figure 1: Map showing location of NGRIP ice core in relation to Roman lead/silver mines. Credit: DRI. Figure 2. Chronology of European lead emissions that were captured in Greenland ice between 1100 BC and AD 800 in relation to major historic events. Credit: DRI
Figure 1: Map showing location of NGRIP ice core in relation to Roman lead/silver mines. Credit: DRI. Figure 2. Chronology of European lead emissions that were captured in Greenland ice between 1100 BC and AD 800 in relation to major historic events. Credit: DRI