Fig. 3

Upper crust-normalized REE (right) and spider (left) diagrams for Xichuan and Luonan turquoises in Qinling mineralization zone, Tianhudong and Heishanling turquoises in Hami mineralization zone and Bijiashan turquoise in Maanshan mineralization zone (Data normalizing values following Rundnick and Gao [24, 41])