Table 1 Features of samples from the Zhijin and Weng’an phosphorite deposits.
From: Study on the material source and enrichment mechanism of REE-rich phosphorite in Zhijin, Guizhou
No | Mining area | Stratum | Lithology | Color |
|---|---|---|---|---|
ZJ-1 | Zhijin phosphorite deposit | Dengying formation | Dolomite | Grayish white |
ZJ-2 | Dolomite | Grayish white | ||
ZJ-3 | Dolomite | Grayish white | ||
ZJ-4 | Dolomite | Grayish white | ||
ZJ-5 | Gezhongwu formation | Phosphorite | Dark gray | |
ZJ-6 | Phosphorite | Dark gray | ||
ZJ-7 | Phosphorite | Dark gray | ||
ZJ-8 | Phosphorite | Dark gray | ||
ZJ-9 | Phosphorite | Dark gray | ||
ZJ-10 | Phosphorite | Dark gray | ||
ZJ-11 | Niutitang formation | Carbonaceous Shale | Dark brown | |
ZJ-12 | Carbonaceous Shale | Dark brown | ||
ZJ-13 | Carbonaceous Shale | Dark brown | ||
ZJ-14 | Carbonaceous Shale | Dark brown | ||
WA-1 | Weng’an phosphorite deposit | Doushantuo formation | Phosphorite | Pale |
WA-2 | Phosphorite | Grayish yellow | ||
WA-3 | Phosphorite | Grayish yellow |
