OREAS 135

OREAS 135 has been prepared from a blend of barren and ore grade SEDEX Type Zn-Pb-Ag materials sourced from the Dugald River deposit located in the Mt Isa Inlier, ~65km north-west of Cloncurry in north-west Queensland, Australia. The mineralisation style is dominated by sphalerite and galena with a gangue of graphitic slate, pyrrhotite and pyrite. The deposit is hosted within a sequence of upper greenschist to amphibolite facies metamorphic rocks consisting quartzite, schists, slates and dolomite.

 

    
Analyte Certified Value 1SD 95% Confidence Low 95% Confidence High Method
Zn, Zinc (wt.%) 2.80 0.067 2.78 2.82 4-Acid Digestion
Pb, Lead (wt.%) 1.70 0.052 1.68 1.72 4-Acid Digestion
Ag, Silver (ppm) 55.7 1.92 55.0 56.3 4-Acid Digestion
Al, Aluminium (wt.%) 4.94 0.264 4.82 5.06 4-Acid Digestion
As, Arsenic (ppm) 888 48 865 910 4-Acid Digestion
Be, Beryllium (ppm) 2.70 0.172 2.62 2.78 4-Acid Digestion
Bi, Bismuth (ppm) 4.44 0.47 4.17 4.71 4-Acid Digestion
Ca, Calcium (wt.%) 1.90 0.094 1.86 1.94 4-Acid Digestion
Cd, Cadmium (ppm) 61 4.0 59 63 4-Acid Digestion
Ce, Cerium (ppm) 70 9 64 75 4-Acid Digestion
Co, Cobalt (ppm) 29.9 1.91 28.9 30.9 4-Acid Digestion
Cr, Chromium (ppm) 42.4 4.4 39.2 45.5 4-Acid Digestion
Cs, Caesium (ppm) 5.57 0.504 5.27 5.87 4-Acid Digestion
Cu, Copper (ppm) 278 14 272 283 4-Acid Digestion
Dy, Dysprosium (ppm) 4.38 0.108 4.32 4.45 4-Acid Digestion
Er, Erbium (ppm) 2.33 0.166 2.15 2.51 4-Acid Digestion
Eu, Europium (ppm) 1.94 0.22 1.75 2.13 4-Acid Digestion
Fe, Iron (wt.%) 9.13 0.376 8.94 9.31 4-Acid Digestion
Ga, Gallium (ppm) 13.1 0.99 12.4 13.8 4-Acid Digestion
Gd, Gadolinium (ppm) 5.59 0.402 5.25 5.92 4-Acid Digestion
Hf, Hafnium (ppm) 2.98 0.33 2.79 3.18 4-Acid Digestion
Ho, Holmium (ppm) 0.84 0.060 0.78 0.91 4-Acid Digestion
In, Indium (ppm) 0.90 0.079 0.86 0.95 4-Acid Digestion
K, Potassium (wt.%) 4.36 0.215 4.25 4.46 4-Acid Digestion
La, Lanthanum (ppm) 33.7 4.2 31.3 36.0 4-Acid Digestion
Li, Lithium (ppm) 45.7 2.45 44.2 47.1 4-Acid Digestion
Lu, Lutetium (ppm) 0.31 0.021 0.30 0.33 4-Acid Digestion
Mg, Magnesium (wt.%) 0.988 0.055 0.962 1.013 4-Acid Digestion
Mn, Manganese (wt.%) 0.449 0.022 0.439 0.459 4-Acid Digestion
Mo, Molybdenum (ppm) 8.17 0.679 7.83 8.52 4-Acid Digestion
Nd, Neodymium (ppm) 32.0 1.27 30.9 33.0 4-Acid Digestion
Ni, Nickel (ppm) 34.2 2.93 32.6 35.9 4-Acid Digestion
P, Phosphorus (wt.%) 0.088 0.004 0.087 0.090 4-Acid Digestion
Pr, Praseodymium (ppm) 8.71 0.309 8.42 8.99 4-Acid Digestion
Rb, Rubidium (ppm) 204 25 189 219 4-Acid Digestion
S, Sulphur (wt.%) 7.00 0.222 6.91 7.10 4-Acid Digestion
Sb, Antimony (ppm) 37.2 2.87 35.8 38.6 4-Acid Digestion
Sc, Scandium (ppm) 7.65 0.79 7.11 8.18 4-Acid Digestion
Sm, Samarium (ppm) 6.17 0.389 5.84 6.49 4-Acid Digestion
Sn, Tin (ppm) 2.45 0.26 2.29 2.60 4-Acid Digestion
Sr, Strontium (ppm) 163 19 154 172 4-Acid Digestion
Tb, Terbium (ppm) 0.77 0.052 0.72 0.82 4-Acid Digestion
Th, Thorium (ppm) 9.34 1.83 8.25 10.44 4-Acid Digestion
Ti, Titanium (wt.%) 0.163 0.012 0.155 0.171 4-Acid Digestion
Tl, Thallium (ppm) 33.8 1.40 32.9 34.7 4-Acid Digestion
Tm, Thulium (ppm) 0.30 0.024 0.28 0.32 4-Acid Digestion
U, Uranium (ppm) 9.86 0.516 9.57 10.16 4-Acid Digestion
V, Vanadium (ppm) 74 4.5 71 76 4-Acid Digestion
W, Tungsten (ppm) 4.03 0.379 3.79 4.27 4-Acid Digestion
Y, Yttrium (ppm) 23.5 1.23 22.9 24.1 4-Acid Digestion
Yb, Ytterbium (ppm) 2.09 0.109 2.01 2.16 4-Acid Digestion
Zr, Zirconium (ppm) 102 7 98 106 4-Acid Digestion
Al, Aluminium (wt.%) 5.03 0.127 4.96 5.09 Peroxide Fusion ICP
As, Arsenic (ppm) 914 67 868 960 Peroxide Fusion ICP
Ba, Barium (ppm) 4435 139 4355 4515 Peroxide Fusion ICP
Be, Beryllium (ppm) 3.06 0.275 2.84 3.28 Peroxide Fusion ICP
Ca, Calcium (wt.%) 1.92 0.085 1.88 1.97 Peroxide Fusion ICP
Cd, Cadmium (ppm) 65 3.3 62 68 Peroxide Fusion ICP
Cu, Copper (ppm) 287 16 280 294 Peroxide Fusion ICP
Er, Erbium (ppm) 2.48 0.217 2.31 2.64 Peroxide Fusion ICP
Fe, Iron (wt.%) 9.21 0.327 9.07 9.35 Peroxide Fusion ICP
Ho, Holmium (ppm) 0.92 0.12 0.78 1.06 Peroxide Fusion ICP
K, Potassium (wt.%) 4.42 0.194 4.33 4.51 Peroxide Fusion ICP
La, Lanthanum (ppm) 40.4 1.63 38.9 42.0 Peroxide Fusion ICP
Li, Lithium (ppm) 47.2 3.24 44.8 49.6 Peroxide Fusion ICP
Mg, Magnesium (wt.%) 1.01 0.034 1.00 1.02 Peroxide Fusion ICP
Mn, Manganese (wt.%) 0.459 0.015 0.455 0.462 Peroxide Fusion ICP
Mo, Molybdenum (ppm) 10.2 1.1 9.0 11.4 Peroxide Fusion ICP
Nd, Neodymium (ppm) 33.7 1.92 31.4 36.1 Peroxide Fusion ICP
P, Phosphorus (wt.%) 0.084 0.015 0.068 0.100 Peroxide Fusion ICP
Pb, Lead (wt.%) 1.70 0.056 1.68 1.72 Peroxide Fusion ICP
Pr, Praseodymium (ppm) 9.29 0.282 8.96 9.61 Peroxide Fusion ICP
Rb, Rubidium (ppm) 216 10 206 225 Peroxide Fusion ICP
S, Sulphur (wt.%) 7.15 0.211 7.06 7.25 Peroxide Fusion ICP
Sb, Antimony (ppm) 39.6 4.6 38.0 41.2 Peroxide Fusion ICP
Si, Silicon (wt.%) 23.74 0.597 23.46 24.02 Peroxide Fusion ICP
Sr, Strontium (ppm) 175 17 164 185 Peroxide Fusion ICP
Th, Thorium (ppm) 10.5 0.71 9.9 11.1 Peroxide Fusion ICP
Ti, Titanium (wt.%) 0.221 0.007 0.219 0.223 Peroxide Fusion ICP
Tl, Thallium (ppm) 32.7 1.95 31.2 34.2 Peroxide Fusion ICP
U, Uranium (ppm) 10.0 0.44 9.8 10.3 Peroxide Fusion ICP
V, Vanadium (ppm) 81 9 78 83 Peroxide Fusion ICP
W, Tungsten (ppm) 4.38 0.68 3.90 4.85 Peroxide Fusion ICP
Y, Yttrium (ppm) 26.2 2.28 24.3 28.1 Peroxide Fusion ICP
Zn, Zinc (wt.%) 2.81 0.079 2.78 2.85 Peroxide Fusion ICP
Ag, Silver (ppm) 55.2 2.65 54.1 56.3 Aqua Regia Digestion
Al, Aluminium (wt.%) 1.09 0.077 1.05 1.13 Aqua Regia Digestion
As, Arsenic (ppm) 883 50 858 908 Aqua Regia Digestion
Bi, Bismuth (ppm) 4.35 0.52 4.01 4.70 Aqua Regia Digestion
Ca, Calcium (wt.%) 1.83 0.088 1.79 1.87 Aqua Regia Digestion
Cd, Cadmium (ppm) 61 5.3 58 63 Aqua Regia Digestion
Ce, Cerium (ppm) 67 10 61 74 Aqua Regia Digestion
Co, Cobalt (ppm) 28.0 1.25 27.5 28.6 Aqua Regia Digestion
Cr, Chromium (ppm) 22.0 2.6 20.8 23.3 Aqua Regia Digestion
Cs, Caesium (ppm) 2.86 0.264 2.66 3.06 Aqua Regia Digestion
Cu, Copper (ppm) 282 12 276 287 Aqua Regia Digestion
Fe, Iron (wt.%) 8.97 0.363 8.78 9.15 Aqua Regia Digestion
Ga, Gallium (ppm) 5.25 0.73 4.72 5.79 Aqua Regia Digestion
Gd, Gadolinium (ppm) 4.59 0.73 3.61 5.56 Aqua Regia Digestion
Hg, Mercury (ppm) 1.21 0.071 1.14 1.28 Aqua Regia Digestion
In, Indium (ppm) 0.87 0.043 0.83 0.91 Aqua Regia Digestion
K, Potassium (wt.%) 0.487 0.052 0.460 0.514 Aqua Regia Digestion
La, Lanthanum (ppm) 33.2 3.7 30.8 35.6 Aqua Regia Digestion
Li, Lithium (ppm) 28.9 3.0 26.7 31.1 Aqua Regia Digestion
Lu, Lutetium (ppm) 0.17 0.03 0.13 0.21 Aqua Regia Digestion
Mg, Magnesium (wt.%) 0.833 0.049 0.810 0.857 Aqua Regia Digestion
Mn, Manganese (wt.%) 0.396 0.014 0.389 0.402 Aqua Regia Digestion
Mo, Molybdenum (ppm) 8.25 0.509 7.93 8.57 Aqua Regia Digestion
Nb, Niobium (ppm) 0.46 0.05 0.39 0.52 Aqua Regia Digestion
Ni, Nickel (ppm) 33.7 3.5 32.2 35.3 Aqua Regia Digestion
P, Phosphorus (wt.%) 0.086 0.006 0.083 0.088 Aqua Regia Digestion
Pb, Lead (wt.%) 1.70 0.062 1.67 1.73 Aqua Regia Digestion
Rb, Rubidium (ppm) 42.7 3.08 40.3 45.1 Aqua Regia Digestion
S, Sulphur (wt.%) 7.08 0.241 6.95 7.22 Aqua Regia Digestion
Sb, Antimony (ppm) 31.1 3.6 28.9 33.2 Aqua Regia Digestion
Sc, Scandium (ppm) 3.51 0.66 3.03 4.00 Aqua Regia Digestion
Tb, Terbium (ppm) 0.62 0.11 0.47 0.78 Aqua Regia Digestion
Te, Tellurium (ppm) 0.19 0.03 0.15 0.22 Aqua Regia Digestion
Th, Thorium (ppm) 9.67 0.593 9.24 10.09 Aqua Regia Digestion
Ti, Titanium (wt.%) 0.026 0.003 0.024 0.029 Aqua Regia Digestion
Tl, Thallium (ppm) 6.61 0.87 5.96 7.27 Aqua Regia Digestion
U, Uranium (ppm) 8.89 0.380 8.59 9.18 Aqua Regia Digestion
V, Vanadium (ppm) 33.4 3.4 31.6 35.1 Aqua Regia Digestion
W, Tungsten (ppm) 2.93 0.45 2.64 3.22 Aqua Regia Digestion
Y, Yttrium (ppm) 17.7 1.11 16.9 18.5 Aqua Regia Digestion
Zn, Zinc (wt.%) 2.80 0.104 2.74 2.86 Aqua Regia Digestion
C, Carbon (wt.%) 3.44 0.093 3.39 3.48 Infrared Combustion
S, Sulphur (wt.%) 7.33 0.114 7.27 7.39 Infrared Combustion
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