OREAS 921b
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Description
Description
OREAS 921b was prepared from a blend of barren black slate and mine waste rock. The barren black slate was sourced from a quarry located in Victoria, Australia and the mine waste rock was sourced from the CSA mine located near the town of Cobar in central western New South Wales, Australia. The copper ore body of the CSA mine is hosted by the Early Devonian CSA Siltstone, a thinly bedded turbiditic sequence of carbonaceous siltstones and mudstones with minor coarser units. Iron-rich chlorite and silica are prominent alterations in the siltstone host. Twenty-three analytical laboratories participated in the following program:
- 4-acid (HF-HNO3-HClO4-HCl) digestion for full ICP-OES and ICP-MS elemental suites
- Aqua regia digestion for full ICP-OES and ICP-MS elemental suites
- Peroxide fusion for full ICP-OES and ICP-MS elemental suites
|
Analyte
|
Certified Value
|
1SD
|
Expanded Uncertainty Low
|
Expanded Uncertainty High
|
Method
|
|---|---|---|---|---|---|
| Cu, Copper (ppm) | 254 | 10 | 246 | 262 | 4-Acid Digestion |
| Ag, Silver (ppm) | 0.371 | 0.027 | 0.349 | 0.392 | 4-Acid Digestion |
| Zn, Zinc (ppm) | 82 | 2.6 | 80 | 85 | 4-Acid Digestion |
| Al, Aluminium (wt.%) | 6.82 | 0.265 | 6.65 | 7.00 | 4-Acid Digestion |
| As, Arsenic (ppm) | 104 | 4 | 99 | 109 | 4-Acid Digestion |
| Ba, Barium (ppm) | 1979 | 85 | 1923 | 2035 | 4-Acid Digestion |
| Be, Beryllium (ppm) | 2.56 | 0.215 | 2.40 | 2.72 | 4-Acid Digestion |
| Bi, Bismuth (ppm) | 1.30 | 0.091 | 1.21 | 1.39 | 4-Acid Digestion |
| Ca, Calcium (wt.%) | 0.074 | 0.005 | 0.069 | 0.079 | 4-Acid Digestion |
| Cd, Cadmium (ppm) | 0.068 | 0.016 | 0.048 | 0.088 | 4-Acid Digestion |
| Ce, Cerium (ppm) | 89 | 3.7 | 84 | 93 | 4-Acid Digestion |
| Co, Cobalt (ppm) | 3.36 | 0.169 | 3.17 | 3.55 | 4-Acid Digestion |
| Cr, Chromium (ppm) | 88 | 11 | 82 | 94 | 4-Acid Digestion |
| Cs, Caesium (ppm) | 4.50 | 0.217 | 4.33 | 4.67 | 4-Acid Digestion |
| Dy, Dysprosium (ppm) | 3.78 | 0.365 | 3.41 | 4.15 | 4-Acid Digestion |
| Er, Erbium (ppm) | 1.78 | 0.081 | 1.67 | 1.89 | 4-Acid Digestion |
| Eu, Europium (ppm) | 1.29 | 0.123 | 1.13 | 1.45 | 4-Acid Digestion |
| Fe, Iron (wt.%) | 3.30 | 0.098 | 3.22 | 3.38 | 4-Acid Digestion |
| Ga, Gallium (ppm) | 20.1 | 1.19 | 18.9 | 21.2 | 4-Acid Digestion |
| Gd, Gadolinium (ppm) | 5.45 | 0.60 | 4.73 | 6.16 | 4-Acid Digestion |
| Ge, Germanium (ppm) | 0.12 | 0.03 | 0.10 | 0.14 | 4-Acid Digestion |
| Hf, Hafnium (ppm) | 2.36 | 0.147 | 2.23 | 2.48 | 4-Acid Digestion |
| Ho, Holmium (ppm) | 0.64 | 0.026 | 0.60 | 0.68 | 4-Acid Digestion |
| In, Indium (ppm) | 0.100 | 0.010 | 0.092 | 0.108 | 4-Acid Digestion |
| K, Potassium (wt.%) | 2.69 | 0.097 | 2.61 | 2.76 | 4-Acid Digestion |
| La, Lanthanum (ppm) | 43.2 | 1.82 | 41.5 | 44.9 | 4-Acid Digestion |
| Li, Lithium (ppm) | 22.2 | 1.09 | 21.4 | 23.1 | 4-Acid Digestion |
| Lu, Lutetium (ppm) | 0.27 | 0.022 | 0.24 | 0.30 | 4-Acid Digestion |
| Mg, Magnesium (wt.%) | 0.501 | 0.022 | 0.485 | 0.517 | 4-Acid Digestion |
| Mn, Manganese (wt.%) | 0.015 | 0.001 | 0.015 | 0.016 | 4-Acid Digestion |
| Mo, Molybdenum (ppm) | 2.86 | 0.152 | 2.72 | 3.00 | 4-Acid Digestion |
| Na, Sodium (wt.%) | 0.114 | 0.014 | 0.106 | 0.121 | 4-Acid Digestion |
| Nb, Niobium (ppm) | 5.85 | 1.19 | 5.06 | 6.63 | 4-Acid Digestion |
| Nd, Neodymium (ppm) | 35.9 | 3.14 | 32.5 | 39.2 | 4-Acid Digestion |
| Ni, Nickel (ppm) | 14.4 | 0.60 | 13.7 | 15.1 | 4-Acid Digestion |
| P, Phosphorus (wt.%) | 0.034 | 0.002 | 0.033 | 0.035 | 4-Acid Digestion |
| Pb, Lead (ppm) | 31.0 | 2.45 | 29.5 | 32.6 | 4-Acid Digestion |
| Pr, Praseodymium (ppm) | 9.92 | 1.14 | 8.73 | 11.11 | 4-Acid Digestion |
| Rb, Rubidium (ppm) | 156 | 8 | 147 | 165 | 4-Acid Digestion |
| Re, Rhenium (ppm) | < 0.002 | IND | IND | IND | 4-Acid Digestion |
| S, Sulphur (wt.%) | 0.061 | 0.003 | 0.059 | 0.062 | 4-Acid Digestion |
| Sb, Antimony (ppm) | 3.71 | 0.202 | 3.53 | 3.88 | 4-Acid Digestion |
| Sc, Scandium (ppm) | 12.5 | 0.52 | 12.0 | 13.0 | 4-Acid Digestion |
| Se, Selenium (ppm) | 2.40 | 0.42 | 1.67 | 3.14 | 4-Acid Digestion |
| Sm, Samarium (ppm) | 6.96 | 0.575 | 6.41 | 7.52 | 4-Acid Digestion |
| Sn, Tin (ppm) | 4.54 | 0.238 | 4.30 | 4.78 | 4-Acid Digestion |
| Sr, Strontium (ppm) | 54 | 2.8 | 52 | 56 | 4-Acid Digestion |
| Ta, Tantalum (ppm) | 0.47 | 0.08 | 0.40 | 0.54 | 4-Acid Digestion |
| Tb, Terbium (ppm) | 0.68 | 0.059 | 0.60 | 0.76 | 4-Acid Digestion |
| Te, Tellurium (ppm) | 0.080 | 0.017 | 0.059 | 0.101 | 4-Acid Digestion |
| Th, Thorium (ppm) | 15.7 | 0.93 | 15.0 | 16.4 | 4-Acid Digestion |
| Ti, Titanium (wt.%) | 0.234 | 0.024 | 0.217 | 0.252 | 4-Acid Digestion |
| Tl, Thallium (ppm) | 0.85 | 0.037 | 0.80 | 0.90 | 4-Acid Digestion |
| Tm, Thulium (ppm) | 0.26 | 0.03 | 0.21 | 0.31 | 4-Acid Digestion |
| U, Uranium (ppm) | 3.92 | 0.235 | 3.75 | 4.09 | 4-Acid Digestion |
| V, Vanadium (ppm) | 160 | 7 | 155 | 165 | 4-Acid Digestion |
| W, Tungsten (ppm) | 2.06 | 0.23 | 1.88 | 2.24 | 4-Acid Digestion |
| Y, Yttrium (ppm) | 16.0 | 1.53 | 15.0 | 17.0 | 4-Acid Digestion |
| Yb, Ytterbium (ppm) | 1.72 | 0.20 | 1.52 | 1.91 | 4-Acid Digestion |
| Zr, Zirconium (ppm) | 82 | 4.8 | 77 | 87 | 4-Acid Digestion |
| Ag, Silver (ppm) | 0.244 | 0.012 | 0.228 | 0.261 | Aqua Regia Digestion |
| Al, Aluminium (wt.%) | 0.921 | 0.062 | 0.883 | 0.958 | Aqua Regia Digestion |
| As, Arsenic (ppm) | 102 | 6 | 98 | 105 | Aqua Regia Digestion |
| Au, Gold (ppm) | < 0.020 | IND | IND | IND | Aqua Regia Digestion |
| B, Boron (ppm) | < 10.0 | IND | IND | IND | Aqua Regia Digestion |
| Ba, Barium (ppm) | 167 | 29 | 151 | 182 | Aqua Regia Digestion |
| Be, Beryllium (ppm) | 0.54 | 0.09 | 0.48 | 0.61 | Aqua Regia Digestion |
| Bi, Bismuth (ppm) | 1.13 | 0.094 | 1.07 | 1.18 | Aqua Regia Digestion |
| Ca, Calcium (wt.%) | 0.064 | 0.007 | 0.058 | 0.069 | Aqua Regia Digestion |
| Cd, Cadmium (ppm) | 0.064 | 0.011 | 0.054 | 0.074 | Aqua Regia Digestion |
| Ce, Cerium (ppm) | 76 | 4.4 | 73 | 80 | Aqua Regia Digestion |
| Co, Cobalt (ppm) | 3.16 | 0.254 | 2.99 | 3.33 | Aqua Regia Digestion |
| Cr, Chromium (ppm) | 25.2 | 1.38 | 24.1 | 26.3 | Aqua Regia Digestion |
| Cs, Caesium (ppm) | 1.13 | 0.16 | 1.03 | 1.23 | Aqua Regia Digestion |
| Cu, Copper (ppm) | 252 | 11 | 243 | 261 | Aqua Regia Digestion |
| Fe, Iron (wt.%) | 3.02 | 0.158 | 2.93 | 3.12 | Aqua Regia Digestion |
| Ga, Gallium (ppm) | 3.08 | 0.38 | 2.81 | 3.35 | Aqua Regia Digestion |
| Hf, Hafnium (ppm) | 0.41 | 0.05 | 0.37 | 0.45 | Aqua Regia Digestion |
| In, Indium (ppm) | 0.044 | 0.004 | 0.039 | 0.049 | Aqua Regia Digestion |
| K, Potassium (wt.%) | 0.267 | 0.044 | 0.245 | 0.288 | Aqua Regia Digestion |
| La, Lanthanum (ppm) | 32.6 | 2.52 | 31.1 | 34.1 | Aqua Regia Digestion |
| Li, Lithium (ppm) | 5.05 | 0.84 | 4.57 | 5.52 | Aqua Regia Digestion |
| Lu, Lutetium (ppm) | 0.12 | 0.02 | 0.10 | 0.14 | Aqua Regia Digestion |
| Mg, Magnesium (wt.%) | 0.212 | 0.016 | 0.201 | 0.223 | Aqua Regia Digestion |
| Mn, Manganese (wt.%) | 0.013 | 0.001 | 0.012 | 0.013 | Aqua Regia Digestion |
| Mo, Molybdenum (ppm) | 2.68 | 0.148 | 2.56 | 2.80 | Aqua Regia Digestion |
| Ni, Nickel (ppm) | 11.3 | 0.69 | 10.9 | 11.7 | Aqua Regia Digestion |
| P, Phosphorus (wt.%) | 0.029 | 0.002 | 0.028 | 0.031 | Aqua Regia Digestion |
| Pb, Lead (ppm) | 23.1 | 2.27 | 21.8 | 24.3 | Aqua Regia Digestion |
| Rb, Rubidium (ppm) | 16.9 | 2.9 | 15.2 | 18.6 | Aqua Regia Digestion |
| Re, Rhenium (ppm) | < 0.001 | IND | IND | IND | Aqua Regia Digestion |
| S, Sulphur (wt.%) | 0.059 | 0.003 | 0.056 | 0.062 | Aqua Regia Digestion |
| Sb, Antimony (ppm) | 2.51 | 0.44 | 2.27 | 2.75 | Aqua Regia Digestion |
| Sc, Scandium (ppm) | 1.73 | 0.25 | 1.60 | 1.87 | Aqua Regia Digestion |
| Se, Selenium (ppm) | 2.31 | 0.25 | 2.06 | 2.56 | Aqua Regia Digestion |
| Sn, Tin (ppm) | 0.90 | 0.13 | 0.79 | 1.00 | Aqua Regia Digestion |
| Sr, Strontium (ppm) | 14.3 | 3.4 | 12.3 | 16.2 | Aqua Regia Digestion |
| Ta, Tantalum (ppm) | < 0.010 | IND | IND | IND | Aqua Regia Digestion |
| Tb, Terbium (ppm) | 0.53 | 0.051 | 0.46 | 0.61 | Aqua Regia Digestion |
| Te, Tellurium (ppm) | 0.068 | 0.008 | 0.053 | 0.084 | Aqua Regia Digestion |
| Th, Thorium (ppm) | 10.7 | 0.77 | 10.2 | 11.3 | Aqua Regia Digestion |
| Ti, Titanium (wt.%) | 0.024 | 0.005 | 0.021 | 0.027 | Aqua Regia Digestion |
| Tl, Thallium (ppm) | 0.11 | 0.02 | 0.10 | 0.12 | Aqua Regia Digestion |
| U, Uranium (ppm) | 2.34 | 0.146 | 2.23 | 2.45 | Aqua Regia Digestion |
| V, Vanadium (ppm) | 19.8 | 1.95 | 18.5 | 21.2 | Aqua Regia Digestion |
| W, Tungsten (ppm) | 0.22 | 0.04 | 0.18 | 0.25 | Aqua Regia Digestion |
| Y, Yttrium (ppm) | 8.19 | 0.531 | 7.81 | 8.56 | Aqua Regia Digestion |
| Zn, Zinc (ppm) | 73 | 3.5 | 71 | 75 | Aqua Regia Digestion |
| Zr, Zirconium (ppm) | 14.0 | 1.40 | 13.1 | 15.0 | Aqua Regia Digestion |
| Ag, Silver (ppm) | < 5.00 | IND | IND | IND | Borate / Peroxide Fusion ICP |
| Al, Aluminium (wt.%) | 7.00 | 0.162 | 6.87 | 7.14 | Borate / Peroxide Fusion ICP |
| As, Arsenic (ppm) | 103 | 9 | 94 | 112 | Borate / Peroxide Fusion ICP |
| B, Boron (ppm) | 131 | 12 | 114 | 147 | Borate / Peroxide Fusion ICP |
| Ba, Barium (ppm) | 1978 | 51 | 1931 | 2024 | Borate / Peroxide Fusion ICP |
| Be, Beryllium (ppm) | 2.43 | 0.38 | 1.86 | 2.99 | Borate / Peroxide Fusion ICP |
| Bi, Bismuth (ppm) | 1.35 | 0.23 | 1.13 | 1.57 | Borate / Peroxide Fusion ICP |
| Ca, Calcium (wt.%) | 0.094 | 0.024 | 0.066 | 0.122 | Borate / Peroxide Fusion ICP |
| Ce, Cerium (ppm) | 91 | 6.0 | 85 | 97 | Borate / Peroxide Fusion ICP |
| Co, Cobalt (ppm) | 3.58 | 0.332 | 3.12 | 4.03 | Borate / Peroxide Fusion ICP |
| Cr, Chromium (ppm) | 105 | 20 | 91 | 120 | Borate / Peroxide Fusion ICP |
| Cs, Caesium (ppm) | 4.63 | 0.182 | 4.38 | 4.89 | Borate / Peroxide Fusion ICP |
| Cu, Copper (ppm) | 255 | 19 | 244 | 265 | Borate / Peroxide Fusion ICP |
| Dy, Dysprosium (ppm) | 4.97 | 0.494 | 4.47 | 5.47 | Borate / Peroxide Fusion ICP |
| Er, Erbium (ppm) | 2.80 | 0.204 | 2.59 | 3.01 | Borate / Peroxide Fusion ICP |
| Eu, Europium (ppm) | 1.36 | 0.26 | 1.10 | 1.62 | Borate / Peroxide Fusion ICP |
| Fe, Iron (wt.%) | 3.35 | 0.107 | 3.27 | 3.43 | Borate / Peroxide Fusion ICP |
| Ga, Gallium (ppm) | 20.7 | 1.28 | 19.6 | 21.8 | Borate / Peroxide Fusion ICP |
| Gd, Gadolinium (ppm) | 5.85 | 0.70 | 5.06 | 6.64 | Borate / Peroxide Fusion ICP |
| Ge, Germanium (ppm) | 2.22 | 0.31 | 1.71 | 2.72 | Borate / Peroxide Fusion ICP |
| Ho, Holmium (ppm) | 0.95 | 0.061 | 0.87 | 1.03 | Borate / Peroxide Fusion ICP |
| In, Indium (ppm) | < 0.20 | IND | IND | IND | Borate / Peroxide Fusion ICP |
| K, Potassium (wt.%) | 2.77 | 0.084 | 2.70 | 2.83 | Borate / Peroxide Fusion ICP |
| La, Lanthanum (ppm) | 43.4 | 3.87 | 40.5 | 46.4 | Borate / Peroxide Fusion ICP |
| Li, Lithium (ppm) | 22.5 | 2.8 | 19.2 | 25.7 | Borate / Peroxide Fusion ICP |
| Lu, Lutetium (ppm) | 0.40 | 0.037 | 0.34 | 0.46 | Borate / Peroxide Fusion ICP |
| Mg, Magnesium (wt.%) | 0.507 | 0.027 | 0.492 | 0.522 | Borate / Peroxide Fusion ICP |
| Mn, Manganese (wt.%) | 0.017 | 0.002 | 0.016 | 0.018 | Borate / Peroxide Fusion ICP |
| Mo, Molybdenum (ppm) | 3.35 | 0.72 | 2.47 | 4.24 | Borate / Peroxide Fusion ICP |
| Nb, Niobium (ppm) | 12.4 | 1.18 | 10.9 | 13.8 | Borate / Peroxide Fusion ICP |
| Nd, Neodymium (ppm) | 37.1 | 2.93 | 34.2 | 40.0 | Borate / Peroxide Fusion ICP |
| P, Phosphorus (wt.%) | 0.034 | 0.006 | 0.030 | 0.037 | Borate / Peroxide Fusion ICP |
| Pb, Lead (ppm) | 33.4 | 4.6 | 28.5 | 38.2 | Borate / Peroxide Fusion ICP |
| Pr, Praseodymium (ppm) | 9.76 | 0.888 | 8.97 | 10.54 | Borate / Peroxide Fusion ICP |
| Rb, Rubidium (ppm) | 156 | 7 | 149 | 163 | Borate / Peroxide Fusion ICP |
| Re, Rhenium (ppm) | < 0.10 | IND | IND | IND | Borate / Peroxide Fusion ICP |
| S, Sulphur (wt.%) | 0.067 | 0.011 | 0.055 | 0.078 | Borate / Peroxide Fusion ICP |
| Sb, Antimony (ppm) | 3.82 | 0.291 | 3.37 | 4.27 | Borate / Peroxide Fusion ICP |
| Sc, Scandium (ppm) | 11.9 | 1.01 | 10.7 | 13.1 | Borate / Peroxide Fusion ICP |
| Si, Silicon (wt.%) | 34.87 | 0.887 | 34.03 | 35.70 | Borate / Peroxide Fusion ICP |
| Sm, Samarium (ppm) | 6.80 | 0.524 | 6.23 | 7.36 | Borate / Peroxide Fusion ICP |
| Sr, Strontium (ppm) | 58 | 3.9 | 55 | 62 | Borate / Peroxide Fusion ICP |
| Ta, Tantalum (ppm) | 1.01 | 0.20 | 0.69 | 1.33 | Borate / Peroxide Fusion ICP |
| Tb, Terbium (ppm) | 0.83 | 0.061 | 0.75 | 0.92 | Borate / Peroxide Fusion ICP |
| Te, Tellurium (ppm) | < 1.00 | IND | IND | IND | Borate / Peroxide Fusion ICP |
| Th, Thorium (ppm) | 14.4 | 1.7 | 13.3 | 15.6 | Borate / Peroxide Fusion ICP |
| Ti, Titanium (wt.%) | 0.338 | 0.013 | 0.328 | 0.347 | Borate / Peroxide Fusion ICP |
| Tl, Thallium (ppm) | 0.89 | 0.072 | 0.81 | 0.97 | Borate / Peroxide Fusion ICP |
| Tm, Thulium (ppm) | 0.41 | 0.033 | 0.37 | 0.46 | Borate / Peroxide Fusion ICP |
| U, Uranium (ppm) | 4.34 | 0.423 | 4.00 | 4.68 | Borate / Peroxide Fusion ICP |
| V, Vanadium (ppm) | 170 | 9 | 164 | 176 | Borate / Peroxide Fusion ICP |
| W, Tungsten (ppm) | 2.99 | 0.54 | 2.48 | 3.50 | Borate / Peroxide Fusion ICP |
| Y, Yttrium (ppm) | 27.3 | 1.94 | 25.8 | 28.7 | Borate / Peroxide Fusion ICP |
| Yb, Ytterbium (ppm) | 2.75 | 0.235 | 2.40 | 3.09 | Borate / Peroxide Fusion ICP |
| Zn, Zinc (ppm) | 83 | 8.3 | 77 | 89 | Borate / Peroxide Fusion ICP |
