oxide
weathered greenstone/ sediments/ scoria
orogenic lode gold
OREAS 252c
رمز المنتج: 252c
OREAS 252c was prepared from a blend of gold-bearing oxide ore and barren
materials (basaltic scoria, quartz and mudstone). The oxide ore (Wilber Lode)
was sourced from the Andy Well Gold Project located approximately 45km north of
Meekatharra in the Murchison region of Western Australia. The Wilber Lode is a
shear- hosted, narrow vein, quartz lode-style gold deposit situated within the
Meekatharra-Wydgee greenstone belt in the Archaean Yilgarn Craton of Western
Australia. The Wilber Lode contains a common primary mineral assemblage of
quartz, calcite, chlorite, fuchsite, pyrite, galena, sphalerite, chalcopyrite
and gold. The host rock consists of a complex sequence of weathered Archaean
meta-basalt and meta-porphyritic rocks derived from a primary mineralogy of
albite, actinolite, chlorite, sericite, biotite, calcite, zoisite, muscovite,
quartz and titanate. 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 485±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) | 0.820 | 0.020 | 0.811 | 0.828 | Pb Fire Assay |
| Cu, Copper (ppm) | 26.8 | 2.24 | 25.3 | 28.2 | 4-Acid Digestion |
| Au, Gold (ppm) | 0.808 | 0.040 | 0.789 | 0.828 | Aqua Regia Digestion (sample weights 10-50g) |
| Au, Gold (ppm) | 0.789 | 0.052 | 0.761 | 0.817 | Cyanide Leach |
| Au, Gold (ppm) | 0.827 | 0.043 | 0.809 | 0.845 | PhotonAssay |
| Ag, Silver (ppm) | 0.203 | 0.027 | 0.165 | 0.242 | 4-Acid Digestion |
| Al, Aluminium (wt.%) | 5.03 | 0.177 | 4.90 | 5.17 | 4-Acid Digestion |
| As, Arsenic (ppm) | 15.0 | 1.27 | 13.7 | 16.3 | 4-Acid Digestion |
| Ba, Barium (ppm) | 339 | 10 | 329 | 349 | 4-Acid Digestion |
| Be, Beryllium (ppm) | 1.86 | 0.067 | 1.77 | 1.96 | 4-Acid Digestion |
| Bi, Bismuth (ppm) | 0.34 | 0.04 | 0.31 | 0.37 | 4-Acid Digestion |
| Ca, Calcium (wt.%) | 1.49 | 0.041 | 1.45 | 1.53 | 4-Acid Digestion |
| Cd, Cadmium (ppm) | 0.066 | 0.015 | 0.051 | 0.081 | 4-Acid Digestion |
| Ce, Cerium (ppm) | 68 | 2.4 | 65 | 71 | 4-Acid Digestion |
| Co, Cobalt (ppm) | 19.1 | 0.99 | 18.3 | 19.9 | 4-Acid Digestion |
| Cr, Chromium (ppm) | 102 | 5 | 98 | 106 | 4-Acid Digestion |
| Cs, Caesium (ppm) | 2.65 | 0.125 | 2.53 | 2.76 | 4-Acid Digestion |
| Dy, Dysprosium (ppm) | 3.40 | 0.098 | 3.25 | 3.56 | 4-Acid Digestion |
| Er, Erbium (ppm) | 1.52 | 0.076 | 1.37 | 1.67 | 4-Acid Digestion |
| Eu, Europium (ppm) | 1.45 | 0.108 | 1.31 | 1.59 | 4-Acid Digestion |
| Fe, Iron (wt.%) | 3.86 | 0.101 | 3.77 | 3.95 | 4-Acid Digestion |
| Ga, Gallium (ppm) | 14.7 | 1.22 | 13.9 | 15.5 | 4-Acid Digestion |
| Gd, Gadolinium (ppm) | 4.88 | 0.146 | 4.68 | 5.08 | 4-Acid Digestion |
| Hf, Hafnium (ppm) | 4.17 | 0.252 | 3.88 | 4.46 | 4-Acid Digestion |
| Ho, Holmium (ppm) | 0.60 | 0.024 | 0.55 | 0.66 | 4-Acid Digestion |
| In, Indium (ppm) | 0.057 | 0.004 | 0.048 | 0.066 | 4-Acid Digestion |
| K, Potassium (wt.%) | 1.28 | 0.048 | 1.24 | 1.32 | 4-Acid Digestion |
| La, Lanthanum (ppm) | 37.0 | 1.60 | 35.4 | 38.6 | 4-Acid Digestion |
| Li, Lithium (ppm) | 24.0 | 0.81 | 23.2 | 24.9 | 4-Acid Digestion |
| Lu, Lutetium (ppm) | 0.17 | 0.02 | 0.14 | 0.20 | 4-Acid Digestion |
| Mg, Magnesium (wt.%) | 1.44 | 0.040 | 1.40 | 1.48 | 4-Acid Digestion |
| Mn, Manganese (wt.%) | 0.044 | 0.001 | 0.043 | 0.045 | 4-Acid Digestion |
| Mo, Molybdenum (ppm) | 2.27 | 0.177 | 2.12 | 2.42 | 4-Acid Digestion |
| Na, Sodium (wt.%) | 0.929 | 0.028 | 0.901 | 0.957 | 4-Acid Digestion |
| Nb, Niobium (ppm) | 29.2 | 1.78 | 27.8 | 30.6 | 4-Acid Digestion |
| Nd, Neodymium (ppm) | 31.2 | 1.33 | 28.8 | 33.6 | 4-Acid Digestion |
| Ni, Nickel (ppm) | 80 | 3.2 | 77 | 83 | 4-Acid Digestion |
| P, Phosphorus (wt.%) | 0.085 | 0.003 | 0.082 | 0.087 | 4-Acid Digestion |
| Pb, Lead (ppm) | 10.4 | 0.79 | 9.6 | 11.1 | 4-Acid Digestion |
| Pr, Praseodymium (ppm) | 8.28 | 0.375 | 7.66 | 8.90 | 4-Acid Digestion |
| Rb, Rubidium (ppm) | 65 | 3.7 | 62 | 68 | 4-Acid Digestion |
| Re, Rhenium (ppm) | < 0.002 | IND | IND | IND | 4-Acid Digestion |
| S, Sulphur (wt.%) | 0.011 | 0.001 | 0.010 | 0.012 | 4-Acid Digestion |
| Sb, Antimony (ppm) | 0.86 | 0.050 | 0.81 | 0.91 | 4-Acid Digestion |
| Sc, Scandium (ppm) | 9.78 | 0.346 | 9.36 | 10.21 | 4-Acid Digestion |
| Sm, Samarium (ppm) | 5.97 | 0.326 | 5.58 | 6.35 | 4-Acid Digestion |
| Sn, Tin (ppm) | 3.89 | 0.176 | 3.68 | 4.10 | 4-Acid Digestion |
| Sr, Strontium (ppm) | 273 | 12 | 265 | 282 | 4-Acid Digestion |
| Ta, Tantalum (ppm) | 1.92 | 0.153 | 1.77 | 2.08 | 4-Acid Digestion |
| Tb, Terbium (ppm) | 0.67 | 0.040 | 0.62 | 0.71 | 4-Acid Digestion |
| Th, Thorium (ppm) | 8.80 | 0.353 | 8.32 | 9.27 | 4-Acid Digestion |
| Ti, Titanium (wt.%) | 0.523 | 0.014 | 0.508 | 0.539 | 4-Acid Digestion |
| Tl, Thallium (ppm) | 0.36 | 0.019 | 0.34 | 0.39 | 4-Acid Digestion |
| Tm, Thulium (ppm) | 0.19 | 0.011 | 0.17 | 0.21 | 4-Acid Digestion |
| U, Uranium (ppm) | 1.53 | 0.096 | 1.41 | 1.65 | 4-Acid Digestion |
| V, Vanadium (ppm) | 68 | 2.4 | 66 | 70 | 4-Acid Digestion |
| W, Tungsten (ppm) | 2.59 | 0.165 | 2.37 | 2.82 | 4-Acid Digestion |
| Y, Yttrium (ppm) | 15.1 | 0.79 | 14.4 | 15.8 | 4-Acid Digestion |
| Yb, Ytterbium (ppm) | 1.25 | 0.072 | 1.15 | 1.34 | 4-Acid Digestion |
| Zn, Zinc (ppm) | 71 | 3.4 | 69 | 73 | 4-Acid Digestion |
| Zr, Zirconium (ppm) | 179 | 8 | 172 | 186 | 4-Acid Digestion |
| Ag, Silver (ppm) | 0.192 | 0.009 | 0.174 | 0.211 | Aqua Regia Digestion |
| Al, Aluminium (wt.%) | 1.51 | 0.110 | 1.43 | 1.60 | Aqua Regia Digestion |
| As, Arsenic (ppm) | 6.49 | 0.551 | 6.06 | 6.93 | Aqua Regia Digestion |
| B, Boron (ppm) | < 10.0 | IND | IND | IND | Aqua Regia Digestion |
| Ba, Barium (ppm) | 88 | 4.9 | 82 | 93 | Aqua Regia Digestion |
| Be, Beryllium (ppm) | 0.97 | 0.051 | 0.91 | 1.02 | Aqua Regia Digestion |
| Bi, Bismuth (ppm) | 0.31 | 0.024 | 0.29 | 0.34 | Aqua Regia Digestion |
| Ca, Calcium (wt.%) | 0.464 | 0.051 | 0.433 | 0.494 | Aqua Regia Digestion |
| Cd, Cadmium (ppm) | 0.048 | 0.012 | 0.034 | 0.062 | Aqua Regia Digestion |
| Ce, Cerium (ppm) | 38.1 | 2.10 | 36.2 | 39.9 | Aqua Regia Digestion |
| Co, Cobalt (ppm) | 15.3 | 1.04 | 14.7 | 16.0 | Aqua Regia Digestion |
| Cr, Chromium (ppm) | 53 | 6 | 49 | 57 | Aqua Regia Digestion |
| Cs, Caesium (ppm) | 0.94 | 0.094 | 0.87 | 1.02 | Aqua Regia Digestion |
| Cu, Copper (ppm) | 21.8 | 2.2 | 20.5 | 23.0 | Aqua Regia Digestion |
| Fe, Iron (wt.%) | 2.89 | 0.252 | 2.75 | 3.04 | Aqua Regia Digestion |
| Ga, Gallium (ppm) | 5.43 | 0.517 | 5.07 | 5.78 | Aqua Regia Digestion |
| Ge, Germanium (ppm) | 0.095 | 0.017 | 0.069 | 0.122 | Aqua Regia Digestion |
| In, Indium (ppm) | 0.021 | 0.001 | 0.018 | 0.024 | Aqua Regia Digestion |
| K, Potassium (wt.%) | 0.263 | 0.027 | 0.245 | 0.280 | Aqua Regia Digestion |
| La, Lanthanum (ppm) | 21.4 | 1.30 | 20.4 | 22.5 | Aqua Regia Digestion |
| Li, Lithium (ppm) | 8.33 | 0.749 | 7.77 | 8.89 | Aqua Regia Digestion |
| Mg, Magnesium (wt.%) | 0.908 | 0.057 | 0.866 | 0.950 | Aqua Regia Digestion |
| Mn, Manganese (wt.%) | 0.030 | 0.002 | 0.029 | 0.032 | Aqua Regia Digestion |
| Mo, Molybdenum (ppm) | 1.59 | 0.147 | 1.46 | 1.72 | Aqua Regia Digestion |
| Na, Sodium (wt.%) | 0.300 | 0.022 | 0.283 | 0.316 | Aqua Regia Digestion |
| Nb, Niobium (ppm) | 0.55 | 0.09 | 0.46 | 0.64 | Aqua Regia Digestion |
| Ni, Nickel (ppm) | 69 | 3.6 | 66 | 71 | Aqua Regia Digestion |
| P, Phosphorus (wt.%) | 0.051 | 0.003 | 0.049 | 0.054 | Aqua Regia Digestion |
| Pb, Lead (ppm) | 8.16 | 0.410 | 7.78 | 8.55 | Aqua Regia Digestion |
| Rb, Rubidium (ppm) | 14.0 | 0.79 | 13.3 | 14.7 | Aqua Regia Digestion |
| Re, Rhenium (ppm) | < 0.001 | IND | IND | IND | Aqua Regia Digestion |
| S, Sulphur (wt.%) | 0.010 | 0.000 | 0.010 | 0.010 | Aqua Regia Digestion |
| Sb, Antimony (ppm) | 0.45 | 0.06 | 0.41 | 0.50 | Aqua Regia Digestion |
| Sc, Scandium (ppm) | 3.44 | 0.305 | 3.17 | 3.71 | Aqua Regia Digestion |
| Sn, Tin (ppm) | 1.24 | 0.20 | 1.09 | 1.40 | Aqua Regia Digestion |
| Sr, Strontium (ppm) | 54 | 3.4 | 52 | 56 | Aqua Regia Digestion |
| Ta, Tantalum (ppm) | < 0.010 | IND | IND | IND | Aqua Regia Digestion |
| Tb, Terbium (ppm) | 0.41 | 0.031 | 0.38 | 0.44 | Aqua Regia Digestion |
| Th, Thorium (ppm) | 5.66 | 0.405 | 5.33 | 5.99 | Aqua Regia Digestion |
| Ti, Titanium (wt.%) | 0.141 | 0.016 | 0.129 | 0.152 | Aqua Regia Digestion |
| Tl, Thallium (ppm) | 0.099 | 0.011 | 0.088 | 0.110 | Aqua Regia Digestion |
| U, Uranium (ppm) | 0.91 | 0.060 | 0.86 | 0.96 | Aqua Regia Digestion |
| V, Vanadium (ppm) | 31.8 | 1.69 | 30.3 | 33.4 | Aqua Regia Digestion |
| W, Tungsten (ppm) | 0.41 | 0.08 | 0.33 | 0.48 | Aqua Regia Digestion |
| Y, Yttrium (ppm) | 8.45 | 0.271 | 8.22 | 8.68 | Aqua Regia Digestion |
| Yb, Ytterbium (ppm) | 0.60 | 0.017 | 0.57 | 0.63 | Aqua Regia Digestion |
| Zn, Zinc (ppm) | 43.0 | 4.10 | 40.5 | 45.5 | Aqua Regia Digestion |
| Zr, Zirconium (ppm) | 37.0 | 7.5 | 30.9 | 43.1 | 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) | 68 | - | - | - | 4-Acid Digestion |
| Dy - Dysprosium (ppm) | 3.40 | - | - | - | 4-Acid Digestion |
| Er - Erbium (ppm) | 1.52 | - | - | - | 4-Acid Digestion |
| Eu - Europium (ppm) | 1.45 | - | - | - | 4-Acid Digestion |
| Gd - Gadolinium (ppm) | 4.88 | - | - | - | 4-Acid Digestion |
| Ho - Holmium (ppm) | 0.60 | - | - | - | 4-Acid Digestion |
| La - Lanthanum (ppm) | 37.0 | - | - | - | 4-Acid Digestion |
| Lu - Lutetium (ppm) | 0.17 | - | - | - | 4-Acid Digestion |
| Nd - Neodymium (ppm) | 31.2 | - | - | - | 4-Acid Digestion |
| Pr - Praseodymium (ppm) | 8.28 | - | - | - | 4-Acid Digestion |
| Sm - Samarium (ppm) | 5.97 | - | - | - | 4-Acid Digestion |
| Tb - Terbium (ppm) | 0.67 | - | - | - | 4-Acid Digestion |
| Tm - Thulium (ppm) | 0.19 | - | - | - | 4-Acid Digestion |
| Y - Yttrium (ppm) | 15.1 | - | - | - | 4-Acid Digestion |
| Yb - Ytterbium (ppm) | 1.25 | - | - | - | 4-Acid Digestion |
| Ag - Silver (ppm) | 0.192 | - | - | - | Aqua Regia |
| As - Arsenic (ppm) | 6.49 | - | - | - | Aqua Regia |
| Bi - Bismuth (ppm) | 0.31 | - | - | - | Aqua Regia |
| Cd - Cadmium (ppm) | 0.048 | - | - | - | Aqua Regia |
| Co - Cobalt (ppm) | 15.3 | - | - | - | Aqua Regia |
| Cu - Copper (ppm) | 21.8 | - | - | - | Aqua Regia |
| Mo - Molybdenum (ppm) | 1.59 | - | - | - | Aqua Regia |
| Sb - Antimony (ppm) | 0.45 | - | - | - | Aqua Regia |
| Sn - Tin (ppm) | 1.24 | - | - | - | 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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