Six different rare earths oxides (left) and a 1905 picture (above) of tailings at the Cherokee mine in Butte County, California.Photos: AP
Gold rush tailings may be a rare earths bonanza for US
American miners of old had eyes only for gold and silver, but the dirt and rock they tossed aside may provide source of vital, hi-tech minerals
Six different rare earths oxides (left) and a 1905 picture (above) of tailings at the Cherokee mine in Butte County, California.Photos: AP