USA imports 100% of its supply of fluorspar in 2016 – Tertiary Minerals (TYM)

Article by Greg Klein – Resource Clips Lacking any domestic sources, the United States imported 100% of its supply of 20 minerals last year, the USGS reports. That number increased from 19 the previous year and 11 in 1984. Included in the 2016 list were rare earths, fluorspar, manganese and niobium, “which are among a […]