oxide
weathered greenstone/ sediments/ scoria
orogenic lode gold
OREAS 266
Артикул: 266
OREAS 266 was prepared from a blend of high-grade gold-bearing ore and barren
materials (basaltic scoria, quartz and mudstone). The gold ore was sourced from
the Agate Creek Gold Project located in the Etheridge Goldfield of northern
Queensland, Australia. The project is hosted within a metamorphosed turbidite
sequence of interbedded sandstones, siltstones and shales. Epithermal and
mesothermal gold mineralisation occurs within quartz veining, stockworks and
breccias associated with Permian felsic volcanic units and Proterozoic
batholith. Thirty-three commercial analytical laboratories participated in the
program to certify:
Gold by fire assay;
Gold by 15-50g aqua regia digestion;
Gold by 5-200g cyanide leach;
Gold by PhotonAssay with recommended gross mass 475±15 g;
Full ICP-OES and ICP-MS elemental suites by 4-acid digestion;
Full ICP-OES and ICP-MS elemental suites by aqua regia
digestion.
Specifications
- State: oxide
- Matrix: weathered greenstone/ sediments/ scoria
- Mineralisation: orogenic lode gold
- CRM Group: Au >1 ppm, Au only
Certified Values
| Analyte | Certified Value | 1SD | 95% CL Low | 95% CL High | Method |
|---|---|---|---|---|---|
| Au, Gold (ppm) | 7.93 | 0.243 | 7.82 | 8.04 | Pb Fire Assay |
| Au, Gold (ppm) | 7.78 | 0.298 | 7.65 | 7.92 | Aqua Regia Digestion (sample weights 10-50g) |
| Au, Gold (ppm) | 7.64 | 0.302 | 7.48 | 7.80 | Cyanide Leach |
| Au, Gold (ppm) | 7.96 | 0.180 | 7.88 | 8.05 | PhotonAssay |
| Ag, Silver (ppm) | 4.47 | 0.223 | 4.25 | 4.69 | 4-Acid Digestion |
| Al, Aluminium (wt.%) | 6.50 | 0.179 | 6.32 | 6.67 | 4-Acid Digestion |
| As, Arsenic (ppm) | 187 | 4 | 181 | 193 | 4-Acid Digestion |
| Ba, Barium (ppm) | 459 | 13 | 443 | 475 | 4-Acid Digestion |
| Be, Beryllium (ppm) | 2.29 | 0.075 | 2.20 | 2.37 | 4-Acid Digestion |
| Bi, Bismuth (ppm) | 3.11 | 0.214 | 2.86 | 3.35 | 4-Acid Digestion |
| Ca, Calcium (wt.%) | 2.19 | 0.053 | 2.14 | 2.25 | 4-Acid Digestion |
| Cd, Cadmium (ppm) | 0.086 | 0.020 | 0.058 | 0.115 | 4-Acid Digestion |
| Ce, Cerium (ppm) | 83 | 3.5 | 79 | 88 | 4-Acid Digestion |
| Co, Cobalt (ppm) | 22.4 | 1.49 | 21.4 | 23.4 | 4-Acid Digestion |
| Cr, Chromium (ppm) | 131 | 6 | 124 | 138 | 4-Acid Digestion |
| Cs, Caesium (ppm) | 4.40 | 0.180 | 4.25 | 4.55 | 4-Acid Digestion |
| Cu, Copper (ppm) | 32.2 | 2.48 | 30.1 | 34.3 | 4-Acid Digestion |
| Dy, Dysprosium (ppm) | 4.37 | 0.203 | 4.02 | 4.72 | 4-Acid Digestion |
| Er, Erbium (ppm) | 2.02 | 0.145 | 1.81 | 2.23 | 4-Acid Digestion |
| Eu, Europium (ppm) | 1.71 | 0.163 | 1.51 | 1.91 | 4-Acid Digestion |
| Fe, Iron (wt.%) | 5.05 | 0.139 | 4.90 | 5.20 | 4-Acid Digestion |
| Ga, Gallium (ppm) | 19.2 | 1.52 | 18.1 | 20.4 | 4-Acid Digestion |
| Gd, Gadolinium (ppm) | 6.32 | 0.458 | 5.75 | 6.89 | 4-Acid Digestion |
| Hf, Hafnium (ppm) | 4.96 | 0.355 | 4.59 | 5.32 | 4-Acid Digestion |
| Ho, Holmium (ppm) | 0.77 | 0.034 | 0.71 | 0.82 | 4-Acid Digestion |
| In, Indium (ppm) | 0.079 | 0.005 | 0.070 | 0.087 | 4-Acid Digestion |
| K, Potassium (wt.%) | 1.51 | 0.027 | 1.47 | 1.54 | 4-Acid Digestion |
| La, Lanthanum (ppm) | 44.9 | 1.24 | 43.3 | 46.4 | 4-Acid Digestion |
| Li, Lithium (ppm) | 29.4 | 1.50 | 28.3 | 30.5 | 4-Acid Digestion |
| Lu, Lutetium (ppm) | 0.24 | 0.03 | 0.20 | 0.27 | 4-Acid Digestion |
| Mg, Magnesium (wt.%) | 1.76 | 0.069 | 1.72 | 1.81 | 4-Acid Digestion |
| Mn, Manganese (wt.%) | 0.052 | 0.001 | 0.050 | 0.053 | 4-Acid Digestion |
| Mo, Molybdenum (ppm) | 9.31 | 0.547 | 8.85 | 9.78 | 4-Acid Digestion |
| Na, Sodium (wt.%) | 1.15 | 0.033 | 1.11 | 1.18 | 4-Acid Digestion |
| Nb, Niobium (ppm) | 32.4 | 2.74 | 30.2 | 34.5 | 4-Acid Digestion |
| Nd, Neodymium (ppm) | 37.4 | 4.5 | 32.3 | 42.5 | 4-Acid Digestion |
| Ni, Nickel (ppm) | 95 | 3.6 | 92 | 99 | 4-Acid Digestion |
| P, Phosphorus (wt.%) | 0.103 | 0.004 | 0.100 | 0.107 | 4-Acid Digestion |
| Pb, Lead (ppm) | 15.2 | 1.19 | 14.0 | 16.4 | 4-Acid Digestion |
| Pr, Praseodymium (ppm) | 9.92 | 0.426 | 9.27 | 10.57 | 4-Acid Digestion |
| Rb, Rubidium (ppm) | 78 | 5.6 | 74 | 83 | 4-Acid Digestion |
| Re, Rhenium (ppm) | < 0.002 | IND | IND | IND | 4-Acid Digestion |
| S, Sulphur (wt.%) | 0.032 | 0.003 | 0.028 | 0.035 | 4-Acid Digestion |
| Sb, Antimony (ppm) | 10.3 | 0.65 | 9.6 | 11.0 | 4-Acid Digestion |
| Sc, Scandium (ppm) | 12.8 | 0.68 | 12.2 | 13.5 | 4-Acid Digestion |
| Sm, Samarium (ppm) | 7.52 | 0.592 | 6.87 | 8.17 | 4-Acid Digestion |
| Sn, Tin (ppm) | 6.04 | 0.360 | 5.66 | 6.42 | 4-Acid Digestion |
| Sr, Strontium (ppm) | 335 | 14 | 322 | 348 | 4-Acid Digestion |
| Ta, Tantalum (ppm) | 2.12 | 0.25 | 1.92 | 2.32 | 4-Acid Digestion |
| Tb, Terbium (ppm) | 0.83 | 0.042 | 0.77 | 0.89 | 4-Acid Digestion |
| Te, Tellurium (ppm) | 0.085 | 0.013 | 0.068 | 0.102 | 4-Acid Digestion |
| Th, Thorium (ppm) | 10.9 | 0.76 | 10.2 | 11.6 | 4-Acid Digestion |
| Ti, Titanium (wt.%) | 0.650 | 0.034 | 0.626 | 0.674 | 4-Acid Digestion |
| Tl, Thallium (ppm) | 0.42 | 0.024 | 0.39 | 0.44 | 4-Acid Digestion |
| Tm, Thulium (ppm) | 0.26 | 0.008 | 0.24 | 0.28 | 4-Acid Digestion |
| U, Uranium (ppm) | 2.08 | 0.136 | 1.94 | 2.21 | 4-Acid Digestion |
| V, Vanadium (ppm) | 92 | 3.8 | 89 | 96 | 4-Acid Digestion |
| W, Tungsten (ppm) | 32.1 | 3.01 | 29.7 | 34.5 | 4-Acid Digestion |
| Y, Yttrium (ppm) | 19.5 | 0.93 | 18.6 | 20.4 | 4-Acid Digestion |
| Yb, Ytterbium (ppm) | 1.67 | 0.077 | 1.54 | 1.81 | 4-Acid Digestion |
| Zn, Zinc (ppm) | 90 | 4.6 | 86 | 94 | 4-Acid Digestion |
| Zr, Zirconium (ppm) | 205 | 8 | 196 | 214 | 4-Acid Digestion |
| Ag, Silver (ppm) | 4.30 | 0.105 | 4.14 | 4.47 | Aqua Regia Digestion |
| Al, Aluminium (wt.%) | 1.55 | 0.19 | 1.42 | 1.68 | Aqua Regia Digestion |
| As, Arsenic (ppm) | 168 | 7 | 161 | 175 | Aqua Regia Digestion |
| B, Boron (ppm) | < 10.0 | IND | IND | IND | Aqua Regia Digestion |
| Ba, Barium (ppm) | 100 | 5.4 | 94 | 106 | Aqua Regia Digestion |
| Be, Beryllium (ppm) | 1.07 | 0.051 | 1.01 | 1.14 | Aqua Regia Digestion |
| Bi, Bismuth (ppm) | 2.65 | 0.193 | 2.39 | 2.91 | Aqua Regia Digestion |
| Ca, Calcium (wt.%) | 0.632 | 0.080 | 0.584 | 0.680 | Aqua Regia Digestion |
| Cd, Cadmium (ppm) | 0.063 | 0.010 | 0.046 | 0.081 | Aqua Regia Digestion |
| Ce, Cerium (ppm) | 47.7 | 3.11 | 44.8 | 50.7 | Aqua Regia Digestion |
| Co, Cobalt (ppm) | 16.2 | 1.24 | 15.3 | 17.1 | Aqua Regia Digestion |
| Cr, Chromium (ppm) | 49.1 | 7.3 | 44.9 | 53.3 | Aqua Regia Digestion |
| Cs, Caesium (ppm) | 1.21 | 0.18 | 1.09 | 1.34 | Aqua Regia Digestion |
| Cu, Copper (ppm) | 26.7 | 3.0 | 24.8 | 28.6 | Aqua Regia Digestion |
| Fe, Iron (wt.%) | 3.62 | 0.361 | 3.42 | 3.81 | Aqua Regia Digestion |
| Ga, Gallium (ppm) | 5.82 | 0.538 | 5.37 | 6.28 | Aqua Regia Digestion |
| Ge, Germanium (ppm) | 0.11 | 0.02 | 0.07 | 0.15 | Aqua Regia Digestion |
| Hg, Mercury (ppm) | 0.039 | 0.012 | 0.017 | 0.061 | Aqua Regia Digestion |
| In, Indium (ppm) | 0.031 | 0.005 | 0.022 | 0.039 | Aqua Regia Digestion |
| K, Potassium (wt.%) | 0.275 | 0.029 | 0.257 | 0.292 | Aqua Regia Digestion |
| La, Lanthanum (ppm) | 25.2 | 1.79 | 23.8 | 26.6 | Aqua Regia Digestion |
| Li, Lithium (ppm) | 6.62 | 0.628 | 6.08 | 7.17 | Aqua Regia Digestion |
| Mg, Magnesium (wt.%) | 0.965 | 0.098 | 0.906 | 1.025 | Aqua Regia Digestion |
| Mn, Manganese (wt.%) | 0.031 | 0.003 | 0.029 | 0.033 | Aqua Regia Digestion |
| Mo, Molybdenum (ppm) | 8.31 | 0.647 | 7.79 | 8.82 | Aqua Regia Digestion |
| Na, Sodium (wt.%) | 0.291 | 0.013 | 0.277 | 0.305 | Aqua Regia Digestion |
| Nb, Niobium (ppm) | 0.62 | 0.15 | 0.46 | 0.78 | Aqua Regia Digestion |
| Ni, Nickel (ppm) | 80 | 5.2 | 75 | 84 | Aqua Regia Digestion |
| P, Phosphorus (wt.%) | 0.064 | 0.004 | 0.061 | 0.067 | Aqua Regia Digestion |
| Pb, Lead (ppm) | 9.95 | 0.861 | 9.18 | 10.72 | Aqua Regia Digestion |
| Rb, Rubidium (ppm) | 15.3 | 0.86 | 14.4 | 16.2 | Aqua Regia Digestion |
| Re, Rhenium (ppm) | < 0.001 | IND | IND | IND | Aqua Regia Digestion |
| S, Sulphur (wt.%) | 0.030 | 0.003 | 0.024 | 0.036 | Aqua Regia Digestion |
| Sb, Antimony (ppm) | 7.02 | 0.97 | 6.34 | 7.71 | Aqua Regia Digestion |
| Sc, Scandium (ppm) | 3.87 | 0.219 | 3.58 | 4.16 | Aqua Regia Digestion |
| Sn, Tin (ppm) | 1.56 | 0.21 | 1.40 | 1.72 | Aqua Regia Digestion |
| Sr, Strontium (ppm) | 66 | 2.4 | 63 | 69 | Aqua Regia Digestion |
| Ta, Tantalum (ppm) | < 0.010 | IND | IND | IND | Aqua Regia Digestion |
| Tb, Terbium (ppm) | 0.50 | 0.033 | 0.47 | 0.54 | Aqua Regia Digestion |
| Te, Tellurium (ppm) | 0.058 | 0.011 | 0.036 | 0.080 | Aqua Regia Digestion |
| Th, Thorium (ppm) | 6.75 | 0.424 | 6.24 | 7.25 | Aqua Regia Digestion |
| Ti, Titanium (wt.%) | 0.142 | 0.015 | 0.130 | 0.154 | Aqua Regia Digestion |
| Tl, Thallium (ppm) | 0.12 | 0.01 | 0.11 | 0.13 | Aqua Regia Digestion |
| U, Uranium (ppm) | 1.05 | 0.046 | 0.98 | 1.12 | Aqua Regia Digestion |
| V, Vanadium (ppm) | 34.5 | 3.01 | 32.4 | 36.6 | Aqua Regia Digestion |
| W, Tungsten (ppm) | 11.7 | 2.2 | 9.8 | 13.6 | Aqua Regia Digestion |
| Y, Yttrium (ppm) | 10.1 | 0.39 | 9.7 | 10.5 | Aqua Regia Digestion |
| Yb, Ytterbium (ppm) | 0.74 | 0.048 | 0.66 | 0.83 | Aqua Regia Digestion |
| Zn, Zinc (ppm) | 58 | 5.7 | 55 | 62 | Aqua Regia Digestion |
Характеристики продукта
Состояние
oxide
Матрица
weathered greenstone/ sediments/ scoria
Минерализация
orogenic lode gold
Наличие
available
Сертифицированные справочные значения
| Аналит | Сертифицированное значение | Неопределённость (1SD) | 95% доверительный нижний | 95% доверительный верхний | Метод |
|---|---|---|---|---|---|
| Ce - Cerium (ppm) | 83 | - | - | - | 4-Acid Digestion |
| Dy - Dysprosium (ppm) | 4.37 | - | - | - | 4-Acid Digestion |
| Er - Erbium (ppm) | 2.02 | - | - | - | 4-Acid Digestion |
| Eu - Europium (ppm) | 1.71 | - | - | - | 4-Acid Digestion |
| Gd - Gadolinium (ppm) | 6.32 | - | - | - | 4-Acid Digestion |
| Ho - Holmium (ppm) | 0.77 | - | - | - | 4-Acid Digestion |
| La - Lanthanum (ppm) | 44.9 | - | - | - | 4-Acid Digestion |
| Lu - Lutetium (ppm) | 0.24 | - | - | - | 4-Acid Digestion |
| Nd - Neodymium (ppm) | 37.4 | - | - | - | 4-Acid Digestion |
| Pr - Praseodymium (ppm) | 9.92 | - | - | - | 4-Acid Digestion |
| Sm - Samarium (ppm) | 7.52 | - | - | - | 4-Acid Digestion |
| Tb - Terbium (ppm) | 0.83 | - | - | - | 4-Acid Digestion |
| Tm - Thulium (ppm) | 0.26 | - | - | - | 4-Acid Digestion |
| Y - Yttrium (ppm) | 19.5 | - | - | - | 4-Acid Digestion |
| Yb - Ytterbium (ppm) | 1.67 | - | - | - | 4-Acid Digestion |
| Ag - Silver (ppm) | 4.30 | - | - | - | Aqua Regia |
| As - Arsenic (ppm) | 168 | - | - | - | Aqua Regia |
| Bi - Bismuth (ppm) | 2.65 | - | - | - | Aqua Regia |
| Cd - Cadmium (ppm) | 0.063 | - | - | - | Aqua Regia |
| Co - Cobalt (ppm) | 16.2 | - | - | - | Aqua Regia |
| Cu - Copper (ppm) | 26.7 | - | - | - | Aqua Regia |
| Hg - Mercury (ppm) | 0.039 | - | - | - | Aqua Regia |
| Ni - Nickel (ppm) | 80 | - | - | - | Aqua Regia |
| Pb - Lead (ppm) | 9.95 | - | - | - | Aqua Regia |
| Tl - Thallium (ppm) | 0.12 | - | - | - | Aqua Regia |
| Zn - Zinc (ppm) | 58 | - | - | - | Aqua Regia |
SD = стандартное отклонение | CL = 95% доверительные пределы
Методы: AR = царская водка, 4-Acid = четырёхкислотное разложение, LBF = сплавление с боратом лития, FA/AAS = пробирный анализ / AAS, LECO = анализ горения LECO
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