OREAS 138

OREAS 138 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 Limits Low 95% Confidence Limits High Method
Zn, Zinc (wt.%) 8.19 0.108 8.14 8.23 4-Acid Digestion
Pb, Lead (wt.%) 1.23 0.031 1.22 1.24 4-Acid Digestion
Ag, Silver (ppm) 45.2 2.27 44.2 46.2 4-Acid Digestion
Al, Aluminium (wt.%) 4.32 0.285 4.19 4.46 4-Acid Digestion
As, Arsenic (ppm) 275 14 269 280 4-Acid Digestion
Be, Beryllium (ppm) 2.99 0.202 2.89 3.09 4-Acid Digestion
Ca, Calcium (wt.%) 1.27 0.041 1.25 1.29 4-Acid Digestion
Cd, Cadmium (ppm) 168 14 161 176 4-Acid Digestion
Co, Cobalt (ppm) 26.7 2.14 25.6 27.8 4-Acid Digestion
Cr, Chromium (ppm) 36.0 4.6 33.4 38.6 4-Acid Digestion
Cs, Caesium (ppm) 4.21 0.300 4.01 4.40 4-Acid Digestion
Cu, Copper (ppm) 266 13 260 272 4-Acid Digestion
Dy, Dysprosium (ppm) 3.19 0.098 3.12 3.25 4-Acid Digestion
Er, Erbium (ppm) 1.78 0.096 1.67 1.90 4-Acid Digestion
Fe, Iron (wt.%) 11.02 0.573 10.75 11.29 4-Acid Digestion
Ga, Gallium (ppm) 11.4 0.67 10.9 11.8 4-Acid Digestion
Gd, Gadolinium (ppm) 3.94 0.276 3.69 4.19 4-Acid Digestion
Hf, Hafnium (ppm) 2.80 0.215 2.68 2.93 4-Acid Digestion
Ho, Holmium (ppm) 0.61 0.033 0.57 0.65 4-Acid Digestion
In, Indium (ppm) 0.50 0.043 0.47 0.52 4-Acid Digestion
K, Potassium (wt.%) 3.96 0.187 3.87 4.05 4-Acid Digestion
Li, Lithium (ppm) 43.8 2.53 42.3 45.4 4-Acid Digestion
Lu, Lutetium (ppm) 0.26 0.03 0.24 0.28 4-Acid Digestion
Mg, Magnesium (wt.%) 0.644 0.048 0.623 0.666 4-Acid Digestion
Mn, Manganese (wt.%) 0.459 0.020 0.450 0.468 4-Acid Digestion
Mo, Molybdenum (ppm) 10.7 1.02 10.0 11.3 4-Acid Digestion
Na, Sodium (wt.%) 0.131 0.009 0.126 0.136 4-Acid Digestion
Nb, Niobium (ppm) 6.50 1.08 5.81 7.20 4-Acid Digestion
Nd, Neodymium (ppm) 22.4 1.78 20.9 23.9 4-Acid Digestion
Ni, Nickel (ppm) 37.7 2.89 36.2 39.1 4-Acid Digestion
P, Phosphorus (wt.%) 0.090 0.005 0.088 0.093 4-Acid Digestion
Pr, Praseodymium (ppm) 5.75 0.374 5.35 6.14 4-Acid Digestion
Rb, Rubidium (ppm) 178 10 172 185 4-Acid Digestion
S, Sulphur (wt.%) 12.35 0.365 12.18 12.52 4-Acid Digestion
Sb, Antimony (ppm) 34.9 3.9 32.8 36.9 4-Acid Digestion
Sc, Scandium (ppm) 6.39 0.73 5.82 6.96 4-Acid Digestion
Se, Selenium (ppm) 2.21 0.36 1.92 2.50 4-Acid Digestion
Sm, Samarium (ppm) 4.71 0.220 4.52 4.89 4-Acid Digestion
Sn, Tin (ppm) 1.82 0.19 1.69 1.95 4-Acid Digestion
Sr, Strontium (ppm) 328 39 307 348 4-Acid Digestion
Ti, Titanium (wt.%) 0.143 0.015 0.132 0.154 4-Acid Digestion
Tl, Thallium (ppm) 40.5 2.37 39.1 42.0 4-Acid Digestion
Tm, Thulium (ppm) 0.25 0.03 0.23 0.28 4-Acid Digestion
U, Uranium (ppm) 12.8 0.82 12.3 13.2 4-Acid Digestion
V, Vanadium (ppm) 76 4.4 74 78 4-Acid Digestion
W, Tungsten (ppm) 2.51 0.205 2.39 2.62 4-Acid Digestion
Y, Yttrium (ppm) 17.2 1.00 16.6 17.8 4-Acid Digestion
Yb, Ytterbium (ppm) 1.71 0.062 1.67 1.74 4-Acid Digestion
Zr, Zirconium (ppm) 98 7.6 93 102 4-Acid Digestion
Al, Aluminium (wt.%) 4.40 0.184 4.30 4.49 Peroxide Fusion ICP
As, Arsenic (ppm) 281 14 272 289 Peroxide Fusion ICP
Ca, Calcium (wt.%) 1.28 0.067 1.24 1.32 Peroxide Fusion ICP
Cd, Cadmium (ppm) 174 8 169 180 Peroxide Fusion ICP
Ce, Cerium (ppm) 56 5.2 50 63 Peroxide Fusion ICP
Cs, Caesium (ppm) 4.19 0.399 3.80 4.57 Peroxide Fusion ICP
Cu, Copper (ppm) 264 18 254 273 Peroxide Fusion ICP
Er, Erbium (ppm) 1.92 0.177 1.75 2.09 Peroxide Fusion ICP
Fe, Iron (wt.%) 10.97 0.376 10.79 11.15 Peroxide Fusion ICP
Ga, Gallium (ppm) 11.1 1.3 9.7 12.5 Peroxide Fusion ICP
In, Indium (ppm) 0.47 0.06 0.41 0.52 Peroxide Fusion ICP
K, Potassium (wt.%) 3.94 0.162 3.87 4.02 Peroxide Fusion ICP
La, Lanthanum (ppm) 27.5 2.50 25.0 29.9 Peroxide Fusion ICP
Li, Lithium (ppm) 46.2 3.63 44.2 48.3 Peroxide Fusion ICP
Mg, Magnesium (wt.%) 0.658 0.033 0.642 0.674 Peroxide Fusion ICP
Mn, Manganese (wt.%) 0.453 0.017 0.447 0.460 Peroxide Fusion ICP
Pb, Lead (wt.%) 1.22 0.053 1.20 1.25 Peroxide Fusion ICP
Pr, Praseodymium (ppm) 6.62 0.491 6.01 7.23 Peroxide Fusion ICP
Rb, Rubidium (ppm) 185 7 179 191 Peroxide Fusion ICP
S, Sulphur (wt.%) 12.42 0.236 12.28 12.56 Peroxide Fusion ICP
Sb, Antimony (ppm) 36.9 2.38 35.8 38.0 Peroxide Fusion ICP
Si, Silicon (wt.%) 19.85 0.560 19.56 20.15 Peroxide Fusion ICP
Sm, Samarium (ppm) 4.55 0.424 4.13 4.98 Peroxide Fusion ICP
Sr, Strontium (ppm) 404 50 371 436 Peroxide Fusion ICP
Tb, Terbium (ppm) 0.58 0.09 0.48 0.68 Peroxide Fusion ICP
Th, Thorium (ppm) 8.94 0.588 8.38 9.51 Peroxide Fusion ICP
Ti, Titanium (wt.%) 0.191 0.008 0.188 0.194 Peroxide Fusion ICP
Tl, Thallium (ppm) 38.4 1.76 36.7 40.1 Peroxide Fusion ICP
U, Uranium (ppm) 12.6 0.68 12.1 13.1 Peroxide Fusion ICP
V, Vanadium (ppm) 81 6.0 76 87 Peroxide Fusion ICP
Y, Yttrium (ppm) 19.1 2.3 16.7 21.6 Peroxide Fusion ICP
Zn, Zinc (wt.%) 8.03 0.224 7.94 8.13 Peroxide Fusion ICP
Ag, Silver (ppm) 45.1 2.06 44.2 46.1 Aqua Regia Digestion
Al, Aluminium (wt.%) 0.794 0.064 0.762 0.825 Aqua Regia Digestion
As, Arsenic (ppm) 278 13 272 283 Aqua Regia Digestion
Bi, Bismuth (ppm) 4.92 0.59 4.52 5.33 Aqua Regia Digestion
Ca, Calcium (wt.%) 1.25 0.068 1.22 1.29 Aqua Regia Digestion
Cd, Cadmium (ppm) 164 14 157 171 Aqua Regia Digestion
Ce, Cerium (ppm) 47.0 4.29 43.8 50.3 Aqua Regia Digestion
Co, Cobalt (ppm) 24.7 2.21 23.8 25.6 Aqua Regia Digestion
Cr, Chromium (ppm) 18.5 1.54 17.9 19.1 Aqua Regia Digestion
Cs, Caesium (ppm) 1.88 0.159 1.76 2.00 Aqua Regia Digestion
Cu, Copper (ppm) 263 8 259 266 Aqua Regia Digestion
Fe, Iron (wt.%) 11.01 0.544 10.74 11.28 Aqua Regia Digestion
Ga, Gallium (ppm) 4.35 0.50 3.96 4.75 Aqua Regia Digestion
Gd, Gadolinium (ppm) 3.36 0.56 2.61 4.11 Aqua Regia Digestion
Hf, Hafnium (ppm) 0.66 0.09 0.58 0.75 Aqua Regia Digestion
Hg, Mercury (ppm) 2.49 0.207 2.30 2.68 Aqua Regia Digestion
Ho, Holmium (ppm) 0.44 0.06 0.36 0.52 Aqua Regia Digestion
In, Indium (ppm) 0.45 0.05 0.42 0.49 Aqua Regia Digestion
K, Potassium (wt.%) 0.377 0.048 0.353 0.400 Aqua Regia Digestion
La, Lanthanum (ppm) 21.5 3.2 19.2 23.7 Aqua Regia Digestion
Li, Lithium (ppm) 25.8 4.2 22.7 28.9 Aqua Regia Digestion
Lu, Lutetium (ppm) 0.14 0.02 0.11 0.17 Aqua Regia Digestion
Mg, Magnesium (wt.%) 0.519 0.031 0.504 0.534 Aqua Regia Digestion
Mn, Manganese (wt.%) 0.423 0.018 0.415 0.432 Aqua Regia Digestion
Mo, Molybdenum (ppm) 10.4 0.79 9.9 10.9 Aqua Regia Digestion
Na, Sodium (wt.%) 0.015 0.002 0.013 0.017 Aqua Regia Digestion
Ni, Nickel (ppm) 37.3 3.8 35.6 39.1 Aqua Regia Digestion
P, Phosphorus (wt.%) 0.088 0.007 0.085 0.091 Aqua Regia Digestion
Pb, Lead (wt.%) 1.24 0.044 1.22 1.26 Aqua Regia Digestion
Rb, Rubidium (ppm) 31.3 1.98 29.8 32.7 Aqua Regia Digestion
S, Sulphur (wt.%) 12.04 0.813 11.49 12.59 Aqua Regia Digestion
Sb, Antimony (ppm) 28.2 4.8 25.2 31.1 Aqua Regia Digestion
Sc, Scandium (ppm) 2.73 0.49 2.37 3.08 Aqua Regia Digestion
Sm, Samarium (ppm) 3.66 0.49 3.02 4.30 Aqua Regia Digestion
Sr, Strontium (ppm) 51 10 46 56 Aqua Regia Digestion
Te, Tellurium (ppm) 0.39 0.07 0.32 0.45 Aqua Regia Digestion
Th, Thorium (ppm) 8.31 0.784 7.78 8.84 Aqua Regia Digestion
Ti, Titanium (wt.%) 0.016 0.002 0.014 0.018 Aqua Regia Digestion
Tl, Thallium (ppm) 7.74 0.89 7.10 8.38 Aqua Regia Digestion
U, Uranium (ppm) 11.3 0.57 10.8 11.8 Aqua Regia Digestion
V, Vanadium (ppm) 36.0 4.0 34.2 37.9 Aqua Regia Digestion
Y, Yttrium (ppm) 12.5 0.76 11.9 13.0 Aqua Regia Digestion
Zn, Zinc (wt.%) 8.11 0.124 8.04 8.17 Aqua Regia Digestion
Zr, Zirconium (ppm) 21.8 3.4 19.0 24.7 Aqua Regia Digestion
C, Carbon (wt.%) 4.03 0.112 3.98 4.09 Infrared Combustion
S, Sulphur (wt.%) 12.85 0.183 12.77 12.92 Infrared Combustion
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