Table 1 Major (%) and trace elements (ppm) of Atshan and Darhib talc deposits.
Atshan | Av | Darhib | Av | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | 60.49 | 61.20 | 60.47 | 60.72 | 60.84 | 60.68 | 60.73 | 59.42 | 58.55 | 59.58 | 59.18 | 58.98 | 59.07 | 59.13 |
TiO2 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.06 | 0.09 | 0.06 | 0.07 | 0.07 | 0.07 | 0.07 |
Al2O3 | 0.43 | 0.46 | 0.46 | 0.45 | 0.46 | 0.46 | 0.45 | 1.00 | 0.97 | 1.00 | 0.99 | 0.98 | 0.98 | 0.98 |
Fe2O3 | 5.47 | 5.28 | 5.20 | 5.32 | 5.24 | 5.25 | 5.29 | 5.49 | 5.22 | 5.41 | 5.37 | 5.36 | 5.34 | 5.36 |
Cr2O3 | 0.22 | 0.21 | 0.20 | 0.21 | 0.21 | 0.20 | 0.21 | 0.32 | 0.26 | 0.32 | 0.30 | 0.29 | 0.29 | 0.29 |
Na2O | 0.15 | 0.17 | 0.17 | 0.16 | 0.17 | 0.17 | 0.16 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 |
MgO | 27.96 | 27.36 | 28.16 | 27.83 | 27.76 | 27.92 | 27.83 | 27.55 | 28.65 | 27.46 | 27.89 | 28.10 | 28.02 | 27.95 |
CaO | 0.21 | 0.26 | 0.25 | 0.24 | 0.26 | 0.25 | 0.24 | 0.34 | 0.50 | 0.34 | 0.40 | 0.42 | 0.42 | 0.40 |
MnO | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.06 | 0.05 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 |
LOI | 4.52 | 4.52 | 4.52 | 4.52 | 4.52 | 4.52 | 4.52 | 5.28 | 5.30 | 5.30 | 5.29 | 5.29 | 5.30 | 5.29 |
Total | 99.53 | 99.54 | 99.50 | 99.52 | 99.52 | 99.51 | 99.52 | 99.62 | 99.67 | 99.62 | 99.63 | 99.64 | 99.64 | 99.64 |
Ag | 1.00 | 0.90 | 0.95 | 0.95 | 0.93 | 0.94 | 0.94 | 0.90 | 3.20 | 2.05 | 2.05 | 2.43 | 2.13 | 2.13 |
As | 7.80 | 13.30 | 10.55 | 10.55 | 11.93 | 11.01 | 10.86 | 6.70 | 0.90 | 3.80 | 3.80 | 2.83 | 3.61 | 3.61 |
Ba | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
Br | 3.00 | 5.10 | 4.05 | 4.05 | 4.58 | 4.23 | 4.17 | 2.80 | 4.10 | 3.45 | 3.45 | 3.67 | 3.49 | 3.49 |
Cd | 3.80 | 2.80 | 3.30 | 3.30 | 3.05 | 3.22 | 3.24 | 2.20 | 2.90 | 2.55 | 2.55 | 2.67 | 2.57 | 2.57 |
Co | 52.70 | 54.90 | 53.80 | 53.80 | 54.35 | 53.98 | 53.92 | 46.10 | 46.00 | 46.05 | 46.05 | 46.03 | 46.05 | 46.05 |
Cr | 779.70 | 782.20 | 780.95 | 780.95 | 781.58 | 781.16 | 781.09 | 564.60 | 573.00 | 568.80 | 568.80 | 570.20 | 569.08 | 569.08 |
Cu | 4.90 | 4.60 | 4.75 | 4.75 | 4.68 | 4.73 | 4.73 | 5.10 | 5.20 | 5.15 | 5.15 | 5.17 | 5.15 | 5.15 |
Ga | 2.30 | 2.20 | 2.25 | 2.25 | 2.23 | 2.24 | 2.24 | 3.90 | 2.20 | 3.05 | 3.05 | 2.77 | 2.99 | 2.99 |
Hf | 2.90 | 2.10 | 2.50 | 2.50 | 2.30 | 2.43 | 2.46 | 2.80 | 3.60 | 3.20 | 3.20 | 3.33 | 3.23 | 3.23 |
Ni | 1302.00 | 1304.90 | 1303.45 | 1303.45 | 1304.18 | 1303.69 | 1303.61 | 1201.10 | 1201.30 | 1201.20 | 1201.20 | 1201.23 | 1201.21 | 1201.21 |
Pb | 17.00 | 6.50 | 11.75 | 11.75 | 9.13 | 10.88 | 11.17 | 21.10 | 20.50 | 20.80 | 20.80 | 20.70 | 20.78 | 20.78 |
Sn | 28.40 | 11.40 | 19.90 | 19.90 | 15.65 | 18.48 | 18.96 | 7.00 | 20.20 | 13.60 | 13.60 | 15.80 | 14.04 | 14.04 |
V | 14.50 | 18.40 | 16.45 | 16.45 | 17.43 | 16.78 | 16.67 | 6.20 | 3.90 | 5.05 | 5.05 | 4.67 | 4.97 | 4.97 |
W | 32.90 | 33.40 | 33.15 | 33.15 | 33.28 | 33.19 | 33.18 | 23.90 | 27.50 | 25.70 | 25.70 | 26.30 | 25.82 | 25.82 |
Y | 1.60 | 1.00 | 1.30 | 1.30 | 1.15 | 1.25 | 1.27 | 1.00 | 1.20 | 1.10 | 1.10 | 1.13 | 1.11 | 1.11 |
Zn | 55.50 | 55.90 | 55.70 | 55.70 | 55.80 | 55.73 | 55.72 | 40.30 | 39.40 | 39.85 | 39.85 | 39.70 | 39.82 | 39.82 |
Zr | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.40 | 2.60 | 3.00 | 3.00 | 2.87 | 2.97 | 2.97 |
Rb | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
Sr | 4.00 | 4.60 | 4.30 | 4.30 | 4.45 | 4.35 | 4.33 | 0.20 | 0.10 | 0.15 | 0.15 | 0.13 | 0.15 | 0.15 |
Ta | 9.00 | 8.00 | 8.50 | 8.50 | 8.25 | 8.42 | 8.44 | 6.20 | 7.10 | 6.65 | 6.65 | 6.80 | 6.68 | 6.68 |
Nb | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
