OREAS 610

OREAS 610 was prepared from a blend of gold-copper-silver bearing ores from Evolution Mining’s Mount Carlton Operation in Queensland, Australia and argillic rhyodacite waste rock sourced from a quarry east of Melbourne, Australia.

The mineralisation assemblage at Mount Carlton consists of pyrite, enargite/tennantite, tetrahedrite, digenite, covellite, sphalerite, galena, alunite, dickite, kaolinite and vuggy silica, hosted in advanced argillic altered rhyodacite containing sulphur-salts.

Analyte Certified Value 1SD 95% Confidence Low 95% Confidence High Method
Au, Gold (ppm) 9.83 0.254 9.73 9.93 Pb Fire Assay
Ag, Silver (ppm) 49.4 1.79 48.7 50.1 4-Acid Digestion
Cu, Copper (wt.%) 0.971 0.023 0.962 0.981 4-Acid Digestion
Au, Gold (ppm) 9.81 0.341 9.61 10.01 Aqua Regia Digestion (sample weights 10-50g)
S, Sulphur (wt.%) 4.12 0.157 4.05 4.19 Infrared Combustion
Al, Aluminium (wt.%) 5.99 0.260 5.87 6.10 4-Acid Digestion
As, Arsenic (ppm) 2835 185 2751 2918 4-Acid Digestion
Be, Beryllium (ppm) 1.48 0.109 1.43 1.52 4-Acid Digestion
Bi, Bismuth (ppm) 224 10 219 228 4-Acid Digestion
Ca, Calcium (wt.%) 0.241 0.014 0.235 0.247 4-Acid Digestion
Cd, Cadmium (ppm) 12.1 0.71 11.8 12.4 4-Acid Digestion
Ce, Cerium (ppm) 46.7 4.46 44.1 49.2 4-Acid Digestion
Co, Cobalt (ppm) 7.72 0.305 7.60 7.84 4-Acid Digestion
Cr, Chromium (ppm) 39.1 5.1 37.2 41.1 4-Acid Digestion
Cs, Caesium (ppm) 2.16 0.146 2.09 2.23 4-Acid Digestion
Dy, Dysprosium (ppm) 1.53 0.089 1.41 1.64 4-Acid Digestion
Er, Erbium (ppm) 0.59 0.041 0.56 0.63 4-Acid Digestion
Eu, Europium (ppm) 0.77 0.051 0.73 0.82 4-Acid Digestion
Fe, Iron (wt.%) 2.37 0.077 2.33 2.40 4-Acid Digestion
Ga, Gallium (ppm) 24.4 1.02 23.9 24.9 4-Acid Digestion
Gd, Gadolinium (ppm) 2.86 0.256 2.53 3.18 4-Acid Digestion
Hf, Hafnium (ppm) 2.01 0.128 1.94 2.07 4-Acid Digestion
Ho, Holmium (ppm) 0.22 0.021 0.19 0.25 4-Acid Digestion
In, Indium (ppm) 3.90 0.244 3.77 4.02 4-Acid Digestion
K, Potassium (wt.%) 1.98 0.067 1.95 2.01 4-Acid Digestion
La, Lanthanum (ppm) 20.4 4.4 18.3 22.5 4-Acid Digestion
Li, Lithium (ppm) 28.4 1.35 27.9 29.0 4-Acid Digestion
Mg, Magnesium (ppm) 1557 91 1520 1595 4-Acid Digestion
Mn, Manganese (ppm) 78 3.6 76 79 4-Acid Digestion
Mo, Molybdenum (ppm) 4.82 0.332 4.68 4.96 4-Acid Digestion
Na, Sodium (wt.%) 0.820 0.027 0.810 0.831 4-Acid Digestion
Nb, Niobium (ppm) 8.27 0.430 8.05 8.50 4-Acid Digestion
Nd, Neodymium (ppm) 18.9 1.56 17.0 20.8 4-Acid Digestion
Ni, Nickel (ppm) 24.6 1.17 24.2 25.1 4-Acid Digestion
P, Phosphorus (ppm) 554 36 538 571 4-Acid Digestion
Pb, Lead (ppm) 662 42 644 680 4-Acid Digestion
Pr, Praseodymium (ppm) 5.09 0.61 4.30 5.89 4-Acid Digestion
Rb, Rubidium (ppm) 65 3.6 64 67 4-Acid Digestion
S, Sulphur (wt.%) 4.07 0.146 4.01 4.13 4-Acid Digestion
Sb, Antimony (ppm) 299 16 291 307 4-Acid Digestion
Sc, Scandium (ppm) 3.06 0.240 2.95 3.18 4-Acid Digestion
Se, Selenium (ppm) 29.1 3.0 27.6 30.6 4-Acid Digestion
Sm, Samarium (ppm) 3.68 0.281 3.35 4.00 4-Acid Digestion
Sn, Tin (ppm) 27.1 2.02 26.3 28.0 4-Acid Digestion
Sr, Strontium (ppm) 306 28 293 319 4-Acid Digestion
Ta, Tantalum (ppm) 0.68 0.042 0.65 0.70 4-Acid Digestion
Tb, Terbium (ppm) 0.31 0.06 0.26 0.36 4-Acid Digestion
Te, Tellurium (ppm) 41.6 2.21 40.4 42.7 4-Acid Digestion
Th, Thorium (ppm) 8.95 1.07 8.36 9.53 4-Acid Digestion
Ti, Titanium (wt.%) 0.167 0.006 0.164 0.169 4-Acid Digestion
Tl, Thallium (ppm) 1.84 0.112 1.78 1.89 4-Acid Digestion
U, Uranium (ppm) 2.63 0.116 2.58 2.69 4-Acid Digestion
V, Vanadium (ppm) 30.5 1.32 30.0 31.0 4-Acid Digestion
W, Tungsten (ppm) 7.57 0.420 7.35 7.78 4-Acid Digestion
Y, Yttrium (ppm) 6.59 0.366 6.41 6.77 4-Acid Digestion
Yb, Ytterbium (ppm) 0.52 0.05 0.48 0.56 4-Acid Digestion
Zn, Zinc (ppm) 1754 74 1722 1785 4-Acid Digestion
Zr, Zirconium (ppm) 61 5.2 58 63 4-Acid Digestion
Ag, Silver (ppm) 48.4 2.02 47.6 49.3 Aqua Regia Digestion
Al, Aluminium (wt.%) 0.847 0.058 0.820 0.874 Aqua Regia Digestion
As, Arsenic (ppm) 2807 151 2740 2874 Aqua Regia Digestion
Be, Beryllium (ppm) 0.29 0.024 0.28 0.29 Aqua Regia Digestion
Bi, Bismuth (ppm) 220 11 215 225 Aqua Regia Digestion
Ca, Calcium (wt.%) 0.120 0.006 0.117 0.122 Aqua Regia Digestion
Cd, Cadmium (ppm) 12.3 0.59 12.0 12.5 Aqua Regia Digestion
Ce, Cerium (ppm) 13.7 1.06 13.1 14.4 Aqua Regia Digestion
Co, Cobalt (ppm) 7.73 0.372 7.55 7.90 Aqua Regia Digestion
Cr, Chromium (ppm) 33.1 2.57 31.9 34.2 Aqua Regia Digestion
Cs, Caesium (ppm) 0.74 0.032 0.72 0.76 Aqua Regia Digestion
Cu, Copper (wt.%) 0.972 0.027 0.960 0.983 Aqua Regia Digestion
Fe, Iron (wt.%) 2.27 0.122 2.22 2.32 Aqua Regia Digestion
Ga, Gallium (ppm) 6.36 0.424 6.17 6.55 Aqua Regia Digestion
Hf, Hafnium (ppm) 0.38 0.029 0.37 0.40 Aqua Regia Digestion
Hg, Mercury (ppm) 0.80 0.059 0.76 0.84 Aqua Regia Digestion
In, Indium (ppm) 3.76 0.107 3.71 3.81 Aqua Regia Digestion
K, Potassium (wt.%) 0.213 0.018 0.205 0.222 Aqua Regia Digestion
La, Lanthanum (ppm) 6.68 0.482 6.44 6.92 Aqua Regia Digestion
Li, Lithium (ppm) 8.46 0.93 7.97 8.95 Aqua Regia Digestion
Mg, Magnesium (ppm) 1059 73 1029 1088 Aqua Regia Digestion
Mn, Manganese (ppm) 66 3.1 64 67 Aqua Regia Digestion
Mo, Molybdenum (ppm) 4.47 0.303 4.34 4.61 Aqua Regia Digestion
Na, Sodium (wt.%) 0.049 0.010 0.044 0.053 Aqua Regia Digestion
Nb, Niobium (ppm) 0.16 0.03 0.14 0.19 Aqua Regia Digestion
Ni, Nickel (ppm) 24.3 1.43 23.7 24.9 Aqua Regia Digestion
P, Phosphorus (ppm) 249 19 240 259 Aqua Regia Digestion
Pb, Lead (ppm) 512 21 503 520 Aqua Regia Digestion
Rb, Rubidium (ppm) 7.63 0.609 7.25 8.01 Aqua Regia Digestion
S, Sulphur (wt.%) 2.65 0.109 2.60 2.70 Aqua Regia Digestion
Sb, Antimony (ppm) 265 14 258 272 Aqua Regia Digestion
Sc, Scandium (ppm) 0.84 0.10 0.79 0.89 Aqua Regia Digestion
Se, Selenium (ppm) 27.7 3.6 25.9 29.6 Aqua Regia Digestion
Sn, Tin (ppm) 24.8 1.22 24.2 25.3 Aqua Regia Digestion
Sr, Strontium (ppm) 38.6 6.3 35.8 41.5 Aqua Regia Digestion
Te, Tellurium (ppm) 41.7 2.35 40.6 42.8 Aqua Regia Digestion
Th, Thorium (ppm) 3.08 0.228 2.96 3.21 Aqua Regia Digestion
Tl, Thallium (ppm) 1.49 0.052 1.46 1.51 Aqua Regia Digestion
U, Uranium (ppm) 1.12 0.078 1.08 1.16 Aqua Regia Digestion
V, Vanadium (ppm) 11.6 0.84 11.2 12.0 Aqua Regia Digestion
W, Tungsten (ppm) 3.58 0.42 3.35 3.81 Aqua Regia Digestion
Y, Yttrium (ppm) 3.09 0.169 3.01 3.18 Aqua Regia Digestion
Zn, Zinc (ppm) 1764 62 1738 1789 Aqua Regia Digestion
Zr, Zirconium (ppm) 11.1 0.85 10.7 11.5 Aqua Regia Digestion
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