|
BHVO-2
|
|
|
|
BCR-2
|
|
|
|
BIR-1
|
|
|
|
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
14 Jan 2002
|
17 Jan 2002
|
Average
|
Certified value
|
14 Jan 2002
|
17 Jan 2002
|
Average
|
Certified value
|
14 Jan 2002
|
17 Jan 2002
|
Average
|
Certified value
|
Major element oxide (wt%): | ||||||||||||
SiO2 | 49.42 | 49.35 | 49.39 | 49.85 | 54.23 | 54.31 | 54.27 | 54.10 | 48.05 | 48.07 | 48.06 | 47.77 |
TiO2 | 2.77 | 2.66 | 2.72 | 2.69 | 2.20 | 2.31 | 2.26 | 2.26 | 0.99 | 1.01 | 1.00 | 0.96 |
Al2O3 | 13.58 | 13.53 | 13.56 | 13.85 | 12.82 | 13.39 | 13.1 | 13.50 | 15.84 | 15.45 | 15.65 | 15.35 |
Fe2O3 | 12.35 | 12.19 | 12.27 | 12.23 | 13.79 | 13.86 | 13.8 | 13.80 | 11.29 | 11.34 | 11.32 | 11.26 |
MnO | 0.19 | 0.19 | 0.19 | 0.17 | 0.23 | 0.23 | 0.23 | 0.24 | 0.20 | 0.20 | 0.20 | 0.171 |
MgO | 7.17 | 7.20 | 7.19 | 7.31 | 3.56 | 3.57 | 3.57 | 3.59 | 9.74 | 9.71 | 9.72 | 9.68 |
CaO | 11.35 | 11.18 | 11.27 | 11.33 | 7.09 | 7.22 | 7.16 | 7.12 | 13.39 | 13.24 | 13.32 | 13.24 |
Na2O | 2.22 | 2.23 | 2.23 | 2.29 | 3.11 | 3.13 | 3.12 | 3.16 | 1.84 | 1.80 | 1.82 | 1.75 |
K2O | 0.55 | 0.54 | 0.55 | 0.54 | 1.78 | 1.82 | 1.80 | 1.79 | 0.010 | 0.015 | 0.01 | 0.027 |
P2O5 | 0.27 | 0.26 | 0.27 | 0.27 | 0.35 | 0.35 | 0.35 | 0.35 | 0.047 | 0.055 | 0.05 | 0.046 |
Totals: | 99.87 | 99.33 | 99.64 | 100.53 | 99.16 | 100.19 | 99.66 | 99.91 | 101.40 | 100.89 | 101.17 | 100.25 |
Trace element (ppm): | ||||||||||||
Ni | 113 | 98 | 106 | 119 | 23 | 23 | 23 | 20 | 168 | 150 | 159 | 166 |
Cr | 275 | 281 | 278 | 280 | 16 | 13 | 15 | 18 | 386 | 382 | 384 | 382 |
V | 316 | 315 | 316 | 317 | 416 | 416 | 416 | 416 | 314 | 316 | 315 | 313 |
Zr | 169 | 173 | 171 | 172 | 191 | 187 | 189 | 188 | 13 | 16 | 15 | 16 |
Sc | 32 | 34 | 33 | 32 | 34 | 33 | 34 | 33 | 44 | 41 | 43 | 44 |
Y | 26 | 27 | 27 | 26 | 37 | 37 | 37 | 37 | 16 | 16 | 16 | 16 |
Sr | 396 | 393 | 395 | 389 | 338 | 346 | 342 | 346 | 109 | 110 | 110 | 108 |
Ba | 129 | 134 | 132 | 130 | 683 | 682 | 683 | 683 | 8 | 10 | 9 | 7 |
Notes: Iron is represented as Fe3+. Certified values were used as concentrations in calculating regressions.