Figure 7
From: Study on the material source and enrichment mechanism of REE-rich phosphorite in Zhijin, Guizhou
PAAS-normalized rare earth element distribution patterns of samples from the Zhijin and Weng’an phosphorite deposits. (a) Phosphorites from the Doushantuo Formation. (b) Dolomite from the Dengying Formation. (c) Phosphorites from the Gezhongwu Formation. d Carbonaceous shale from the Niutitang Formation.
