oxide
weathered greenstone/ sediments/ scoria
orogenic lode gold
OREAS 250c
رمز المنتج: 250c
OREAS 250c was prepared from a blend of gold-bearing oxide ores and barren
materials (basaltic scoria, quartz and mudstone). The ores were sourced from
both the Magdala ore deposit (Stawell Gold Mine) located in west-central
Victoria, Australia and the Wilber Lode (Andy Well Mine) located approximately
45km north of Meekatharra in the Murchison region of Western Australia. Primary
mineralisation in the Magdala ore consists of a quartz-sericite-carbonate schist
assemblage containing the sulphides arsenopyrite, pyrrhotite and pyrite. The
Wilber Lode contains a common primary mineral assemblage of quartz, calcite,
chlorite, fuchsite, pyrite, galena, sphalerite, chalcopyrite and gold.
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±15g;
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, Au only
Certified Values
| Analyte | Certified Value | 1SD | 95% CL Low | 95% CL High | Method |
|---|---|---|---|---|---|
| Au, Gold (ppm) | 0.313 | 0.015 | 0.306 | 0.319 | Pb Fire Assay |
| Au, Gold (ppm) | 0.313 | 0.018 | 0.305 | 0.321 | Aqua Regia Digestion (sample weights 10-50g) |
| Au, Gold (ppm) | 0.295 | 0.016 | 0.287 | 0.303 | Cyanide Leach |
| Au, Gold (ppm) | 0.311 | 0.027 | 0.302 | 0.320 | PhotonAssay |
| Ag, Silver (ppm) | < 0.100 | IND | IND | IND | 4-Acid Digestion |
| Al, Aluminium (wt.%) | 5.18 | 0.101 | 5.04 | 5.31 | 4-Acid Digestion |
| As, Arsenic (ppm) | 54 | 2.2 | 51 | 57 | 4-Acid Digestion |
| Ba, Barium (ppm) | 354 | 7 | 342 | 366 | 4-Acid Digestion |
| Be, Beryllium (ppm) | 1.97 | 0.087 | 1.89 | 2.05 | 4-Acid Digestion |
| Bi, Bismuth (ppm) | 0.29 | 0.03 | 0.26 | 0.32 | 4-Acid Digestion |
| Ca, Calcium (wt.%) | 1.72 | 0.060 | 1.66 | 1.77 | 4-Acid Digestion |
| Cd, Cadmium (ppm) | 0.075 | 0.018 | 0.044 | 0.105 | 4-Acid Digestion |
| Ce, Cerium (ppm) | 70 | 3.1 | 67 | 74 | 4-Acid Digestion |
| Co, Cobalt (ppm) | 20.6 | 1.32 | 19.5 | 21.7 | 4-Acid Digestion |
| Cr, Chromium (ppm) | 100 | 6 | 95 | 106 | 4-Acid Digestion |
| Cs, Caesium (ppm) | 2.62 | 0.111 | 2.48 | 2.75 | 4-Acid Digestion |
| Cu, Copper (ppm) | 24.1 | 2.18 | 22.7 | 25.6 | 4-Acid Digestion |
| Dy, Dysprosium (ppm) | 3.67 | 0.204 | 3.34 | 3.99 | 4-Acid Digestion |
| Er, Erbium (ppm) | 1.59 | 0.107 | 1.44 | 1.75 | 4-Acid Digestion |
| Eu, Europium (ppm) | 1.60 | 0.060 | 1.45 | 1.75 | 4-Acid Digestion |
| Fe, Iron (wt.%) | 4.04 | 0.136 | 3.90 | 4.17 | 4-Acid Digestion |
| Ga, Gallium (ppm) | 15.3 | 1.12 | 14.2 | 16.4 | 4-Acid Digestion |
| Gd, Gadolinium (ppm) | 5.20 | 0.256 | 4.67 | 5.74 | 4-Acid Digestion |
| Hf, Hafnium (ppm) | 4.34 | 0.289 | 4.08 | 4.61 | 4-Acid Digestion |
| Ho, Holmium (ppm) | 0.63 | 0.035 | 0.57 | 0.68 | 4-Acid Digestion |
| In, Indium (ppm) | 0.059 | 0.004 | 0.049 | 0.068 | 4-Acid Digestion |
| K, Potassium (wt.%) | 1.32 | 0.052 | 1.27 | 1.36 | 4-Acid Digestion |
| La, Lanthanum (ppm) | 38.0 | 1.74 | 35.8 | 40.2 | 4-Acid Digestion |
| Li, Lithium (ppm) | 21.7 | 1.07 | 20.7 | 22.8 | 4-Acid Digestion |
| Lu, Lutetium (ppm) | 0.18 | 0.02 | 0.14 | 0.21 | 4-Acid Digestion |
| Mg, Magnesium (wt.%) | 1.55 | 0.050 | 1.50 | 1.61 | 4-Acid Digestion |
| Mn, Manganese (wt.%) | 0.049 | 0.001 | 0.047 | 0.051 | 4-Acid Digestion |
| Mo, Molybdenum (ppm) | 1.96 | 0.167 | 1.81 | 2.12 | 4-Acid Digestion |
| Na, Sodium (wt.%) | 1.07 | 0.023 | 1.04 | 1.11 | 4-Acid Digestion |
| Nb, Niobium (ppm) | 31.8 | 1.77 | 30.1 | 33.5 | 4-Acid Digestion |
| Nd, Neodymium (ppm) | 32.1 | 1.70 | 29.0 | 35.2 | 4-Acid Digestion |
| Ni, Nickel (ppm) | 83 | 4.0 | 80 | 87 | 4-Acid Digestion |
| P, Phosphorus (wt.%) | 0.095 | 0.003 | 0.092 | 0.099 | 4-Acid Digestion |
| Pb, Lead (ppm) | 9.92 | 0.915 | 9.09 | 10.75 | 4-Acid Digestion |
| Pr, Praseodymium (ppm) | 8.51 | 0.465 | 7.73 | 9.29 | 4-Acid Digestion |
| Rb, Rubidium (ppm) | 65 | 3.8 | 61 | 68 | 4-Acid Digestion |
| Re, Rhenium (ppm) | < 0.002 | IND | IND | IND | 4-Acid Digestion |
| S, Sulphur (wt.%) | 0.027 | 0.004 | 0.025 | 0.030 | 4-Acid Digestion |
| Sb, Antimony (ppm) | 0.88 | 0.068 | 0.81 | 0.96 | 4-Acid Digestion |
| Sc, Scandium (ppm) | 9.89 | 0.624 | 9.33 | 10.45 | 4-Acid Digestion |
| Sm, Samarium (ppm) | 6.27 | 0.336 | 5.82 | 6.72 | 4-Acid Digestion |
| Sn, Tin (ppm) | 3.59 | 0.166 | 3.37 | 3.82 | 4-Acid Digestion |
| Sr, Strontium (ppm) | 311 | 8 | 300 | 323 | 4-Acid Digestion |
| Ta, Tantalum (ppm) | 2.07 | 0.175 | 1.92 | 2.23 | 4-Acid Digestion |
| Tb, Terbium (ppm) | 0.69 | 0.018 | 0.65 | 0.73 | 4-Acid Digestion |
| Th, Thorium (ppm) | 8.68 | 0.344 | 8.23 | 9.12 | 4-Acid Digestion |
| Ti, Titanium (wt.%) | 0.567 | 0.014 | 0.548 | 0.586 | 4-Acid Digestion |
| Tl, Thallium (ppm) | 0.35 | 0.018 | 0.33 | 0.38 | 4-Acid Digestion |
| Tm, Thulium (ppm) | 0.20 | 0.013 | 0.18 | 0.22 | 4-Acid Digestion |
| U, Uranium (ppm) | 1.62 | 0.107 | 1.51 | 1.73 | 4-Acid Digestion |
| V, Vanadium (ppm) | 70 | 2.6 | 67 | 72 | 4-Acid Digestion |
| W, Tungsten (ppm) | 2.05 | 0.137 | 1.90 | 2.21 | 4-Acid Digestion |
| Y, Yttrium (ppm) | 15.7 | 0.96 | 14.6 | 16.7 | 4-Acid Digestion |
| Yb, Ytterbium (ppm) | 1.28 | 0.063 | 1.15 | 1.42 | 4-Acid Digestion |
| Zn, Zinc (ppm) | 75 | 3.3 | 72 | 78 | 4-Acid Digestion |
| Zr, Zirconium (ppm) | 188 | 10 | 179 | 196 | 4-Acid Digestion |
| Ag, Silver (ppm) | 0.079 | 0.008 | 0.067 | 0.091 | Aqua Regia Digestion |
| Al, Aluminium (wt.%) | 1.64 | 0.122 | 1.56 | 1.73 | Aqua Regia Digestion |
| As, Arsenic (ppm) | 43.4 | 1.33 | 42.0 | 44.9 | Aqua Regia Digestion |
| B, Boron (ppm) | < 10.0 | IND | IND | IND | Aqua Regia Digestion |
| Ba, Barium (ppm) | 95 | 5.0 | 89 | 100 | Aqua Regia Digestion |
| Be, Beryllium (ppm) | 1.08 | 0.069 | 1.01 | 1.14 | Aqua Regia Digestion |
| Bi, Bismuth (ppm) | 0.26 | 0.021 | 0.25 | 0.28 | Aqua Regia Digestion |
| Ca, Calcium (wt.%) | 0.524 | 0.041 | 0.493 | 0.555 | Aqua Regia Digestion |
| Cd, Cadmium (ppm) | 0.067 | 0.023 | 0.048 | 0.087 | Aqua Regia Digestion |
| Ce, Cerium (ppm) | 40.9 | 1.87 | 39.2 | 42.5 | Aqua Regia Digestion |
| Co, Cobalt (ppm) | 15.9 | 0.71 | 15.1 | 16.7 | Aqua Regia Digestion |
| Cr, Chromium (ppm) | 45.9 | 5.4 | 42.4 | 49.4 | Aqua Regia Digestion |
| Cs, Caesium (ppm) | 1.13 | 0.093 | 1.05 | 1.20 | Aqua Regia Digestion |
| Cu, Copper (ppm) | 18.9 | 2.2 | 17.6 | 20.2 | Aqua Regia Digestion |
| Fe, Iron (wt.%) | 3.01 | 0.263 | 2.85 | 3.16 | Aqua Regia Digestion |
| Ga, Gallium (ppm) | 5.97 | 0.521 | 5.49 | 6.44 | Aqua Regia Digestion |
| Ge, Germanium (ppm) | 0.100 | 0.017 | 0.076 | 0.123 | Aqua Regia Digestion |
| In, Indium (ppm) | 0.025 | 0.003 | 0.019 | 0.032 | Aqua Regia Digestion |
| K, Potassium (wt.%) | 0.335 | 0.025 | 0.317 | 0.353 | Aqua Regia Digestion |
| La, Lanthanum (ppm) | 23.2 | 0.97 | 22.3 | 24.0 | Aqua Regia Digestion |
| Li, Lithium (ppm) | 7.61 | 0.628 | 7.12 | 8.10 | Aqua Regia Digestion |
| Mg, Magnesium (wt.%) | 0.989 | 0.069 | 0.942 | 1.035 | Aqua Regia Digestion |
| Mn, Manganese (wt.%) | 0.033 | 0.002 | 0.032 | 0.035 | Aqua Regia Digestion |
| Mo, Molybdenum (ppm) | 1.32 | 0.118 | 1.23 | 1.42 | Aqua Regia Digestion |
| Na, Sodium (wt.%) | 0.351 | 0.022 | 0.331 | 0.370 | Aqua Regia Digestion |
| Nb, Niobium (ppm) | 0.59 | 0.09 | 0.48 | 0.69 | Aqua Regia Digestion |
| Ni, Nickel (ppm) | 73 | 3.4 | 70 | 75 | Aqua Regia Digestion |
| P, Phosphorus (wt.%) | 0.058 | 0.004 | 0.056 | 0.061 | Aqua Regia Digestion |
| Pb, Lead (ppm) | 7.08 | 0.556 | 6.66 | 7.50 | Aqua Regia Digestion |
| Rb, Rubidium (ppm) | 19.1 | 1.16 | 18.1 | 20.1 | Aqua Regia Digestion |
| Re, Rhenium (ppm) | < 0.001 | IND | IND | IND | Aqua Regia Digestion |
| S, Sulphur (wt.%) | 0.024 | 0.004 | 0.020 | 0.028 | Aqua Regia Digestion |
| Sb, Antimony (ppm) | 0.45 | 0.06 | 0.40 | 0.49 | Aqua Regia Digestion |
| Sc, Scandium (ppm) | 3.74 | 0.314 | 3.51 | 3.97 | Aqua Regia Digestion |
| Sn, Tin (ppm) | 1.24 | 0.13 | 1.12 | 1.36 | Aqua Regia Digestion |
| Sr, Strontium (ppm) | 63 | 2.6 | 61 | 66 | Aqua Regia Digestion |
| Ta, Tantalum (ppm) | < 0.010 | IND | IND | IND | Aqua Regia Digestion |
| Tb, Terbium (ppm) | 0.45 | 0.034 | 0.40 | 0.49 | Aqua Regia Digestion |
| Th, Thorium (ppm) | 5.85 | 0.247 | 5.49 | 6.21 | Aqua Regia Digestion |
| Ti, Titanium (wt.%) | 0.162 | 0.013 | 0.151 | 0.174 | Aqua Regia Digestion |
| Tl, Thallium (ppm) | 0.14 | 0.02 | 0.12 | 0.15 | Aqua Regia Digestion |
| U, Uranium (ppm) | 0.97 | 0.079 | 0.89 | 1.04 | Aqua Regia Digestion |
| V, Vanadium (ppm) | 33.7 | 1.83 | 32.1 | 35.3 | Aqua Regia Digestion |
| W, Tungsten (ppm) | 0.38 | 0.038 | 0.33 | 0.44 | Aqua Regia Digestion |
| Y, Yttrium (ppm) | 9.10 | 0.386 | 8.74 | 9.46 | Aqua Regia Digestion |
| Yb, Ytterbium (ppm) | 0.63 | 0.040 | 0.55 | 0.71 | Aqua Regia Digestion |
| Zn, Zinc (ppm) | 46.4 | 4.7 | 43.8 | 49.0 | Aqua Regia Digestion |
| Zr, Zirconium (ppm) | 37.1 | 8.6 | 28.7 | 45.6 | Aqua Regia Digestion |
مواصفات المنتج
الحالة
oxide
المصفوفة
weathered greenstone/ sediments/ scoria
التمعدن
orogenic lode gold
التوفر
available
القيم المرجعية المعتمدة
| المادة المحللة | القيمة المعتمدة | عدم اليقين (1SD) | حد الثقة الأدنى 95% | حد الثقة الأعلى 95% | الطريقة |
|---|---|---|---|---|---|
| Ce - Cerium (ppm) | 70 | - | - | - | 4-Acid Digestion |
| Dy - Dysprosium (ppm) | 3.67 | - | - | - | 4-Acid Digestion |
| Er - Erbium (ppm) | 1.59 | - | - | - | 4-Acid Digestion |
| Eu - Europium (ppm) | 1.60 | - | - | - | 4-Acid Digestion |
| Gd - Gadolinium (ppm) | 5.20 | - | - | - | 4-Acid Digestion |
| Ho - Holmium (ppm) | 0.63 | - | - | - | 4-Acid Digestion |
| La - Lanthanum (ppm) | 38.0 | - | - | - | 4-Acid Digestion |
| Lu - Lutetium (ppm) | 0.18 | - | - | - | 4-Acid Digestion |
| Nd - Neodymium (ppm) | 32.1 | - | - | - | 4-Acid Digestion |
| Pr - Praseodymium (ppm) | 8.51 | - | - | - | 4-Acid Digestion |
| Sm - Samarium (ppm) | 6.27 | - | - | - | 4-Acid Digestion |
| Tb - Terbium (ppm) | 0.69 | - | - | - | 4-Acid Digestion |
| Tm - Thulium (ppm) | 0.20 | - | - | - | 4-Acid Digestion |
| Y - Yttrium (ppm) | 15.7 | - | - | - | 4-Acid Digestion |
| Yb - Ytterbium (ppm) | 1.28 | - | - | - | 4-Acid Digestion |
| Ag - Silver (ppm) | 0.079 | - | - | - | Aqua Regia |
| As - Arsenic (ppm) | 43.4 | - | - | - | Aqua Regia |
| Bi - Bismuth (ppm) | 0.26 | - | - | - | Aqua Regia |
| Cd - Cadmium (ppm) | 0.067 | - | - | - | Aqua Regia |
| Co - Cobalt (ppm) | 15.9 | - | - | - | Aqua Regia |
| Cu - Copper (ppm) | 18.9 | - | - | - | Aqua Regia |
| Mo - Molybdenum (ppm) | 1.32 | - | - | - | Aqua Regia |
| Tl - Thallium (ppm) | 0.14 | - | - | - | Aqua Regia |
| Zn - Zinc (ppm) | 46.4 | - | - | - | Aqua Regia |
SD = الانحراف المعياري | CL = حدود الثقة 95%
الطرق: AR = الماء الملكي، 4-Acid = هضم رباعي الحمض، LBF = صهر بورات الليثيوم، FA/AAS = فحص النار / AAS، LECO = تحليل احتراق LECO
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