Table T1. Trace element composition of USGS rock powders from INAA analyses.
USGS standard
rock powder |
Sc
(µg/g) |
Cr
(µg/g) |
Fe
(mg/g) |
Co
(µg/g) |
Zn
(µg/g) |
As
(µg/g) |
Rb
(µg/g) |
Sr
(µg/g) |
Sb
(µg/g) |
Cs
(µg/g) |
Ba
(µg/g) |
La
(µg/g) |
Ce
(µg/g) |
Sm
(µg/g) |
Eu
(µg/g) |
Tb
(µg/g) |
Yb
(µg/g) |
Lu
(µg/g) |
Hf
(µg/g) |
Ta
(µg/g) |
Th
(µg/g) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BHVO-1 basalt | 32.7 | 284 | 84.7 | 45.1 | 109 | 0.4 | 16 | 420 | 0.18 | <0.6 | 128 | 16.5 | 36 | 6.02 | 2.36 | 0.86 | 1.95 | 0.27 | — | — | 1.2 |
| BHVO-1 basalt | 31.5 | 288 | 88.3 | 45.2 | 115 | <1 | 10 | 446 | 0.16 | <0.3 | 143 | 15.9 | 34 | 6.00 | 2.04 | 0.83 | 1.91 | 0.26 | 4.4 | 1.22 | 1.3 |
| BHVO-1 basalt | 31.5 | 306 | 87.4 | 46.1 | 103 | 0.6 | 15 | 474 | 0.15 | <0.3 | 151 | 16.0 | 40 | 6.21 | 2.27 | 0.94 | 1.92 | 0.28 | 4.3 | 1.02 | 1.3 |
| BHVO-1 recommended | 31.8 | 289 | 85.5 | 45 | 105 | 0.4 | 11 | 403 | 0.16 | 0.13 | 139 | 15.8 | 39 | 6.2 | 2.06 | 0.96 | 2.02 | 0.291 | 4.38 | 1.23 | 1.1 |
| G-2 granite | 3.5 | 8 | 18.7 | 5.5 | 86 | <0.9 | 173 | 465 | 0.14 | 1.31 | 1927 | 96.6 | 152 | 7.40 | 1.52 | 0.60 | 0.75 | 0.11 | 7.6 | 0.76 | 25.8 |
| G-2 granite | 3.3 | 8 | 18.2 | 5.2 | 78 | <0.6 | 167 | 496 | 0.1 | 1.34 | 1856 | 87.4 | 142 | 7.11 | 1.28 | 0.48 | 0.69 | 0.09 | 7.8 | 0.76 | 25.0 |
| G-2 granite | 3.3 | 7 | 18.4 | 5.2 | 77 | <0.6 | 169 | 488 | 0.096 | 1.34 | 1848 | 90.6 | 165 | 7.41 | 1.46 | 0.45 | 0.75 | 0.11 | 7.9 | 0.85 | 24.9 |
| G-2 recommended | 3.5 | 9 | 18.6 | 4.6 | 86 | 0.25 | 170 | 478 | 0.07 | 1.34 | 1882 | 89 | 160 | 7.2 | 1.4 | 0.48 | 0.8 | 0.11 | 7.9 | 0.88 | 24.7 |
Notes: recommended values for BHVO-1 basalt and G-2 granite are given by Govindaraju (1989). — = no data.