3-D geologic map leads to precious metal discovery

3-D geologic map leads to precious metal discovery Building on mapping technology used in Antarctica, NSF-funded researchers discovered one of the world's largest precious metal deposits in northern Minnesota More at https://www.nsf.gov/impacts/impact_summ.jsp?cntn_id=244088&WT.mc_id=USNSF_250 This is an NSF Impacts item. Follow NSF:  This email was sent using GovDelivery Communications Cloud on behalf of: National Science Foundation Update · 2415 Eisenhower Avenue, Alexandria, VA 22314 · 703-292-5111