OREAS 611

OREAS 611 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 Limits Low 95% Confidence Limits High Method
Au, Gold (ppm) 15.70 0.601 15.47 15.93 Pb Fire Assay
Ag, Silver (ppm) 80.0 1.61 79.5 80.5 4-Acid Digestion
Cu, Copper (wt.%) 1.17 0.022 1.16 1.18 4-Acid Digestion
Au, Gold (ppm) 15.53 0.407 15.26 15.80 Aqua Regia Digestion (sample weights 10-50g)
S, Sulphur (wt.%) 4.26 0.177 4.18 4.34 Infrared Combustion
Al, Aluminium (wt.%) 5.78 0.214 5.69 5.88 4-Acid Digestion
As, Arsenic (ppm) 3400 180 3314 3485 4-Acid Digestion
Be, Beryllium (ppm) 1.46 0.106 1.41 1.51 4-Acid Digestion
Bi, Bismuth (ppm) 265 11 261 270 4-Acid Digestion
Ca, Calcium (wt.%) 0.227 0.018 0.220 0.235 4-Acid Digestion
Cd, Cadmium (ppm) 13.9 0.73 13.6 14.2 4-Acid Digestion
Ce, Cerium (ppm) 46.4 4.46 43.9 48.9 4-Acid Digestion
Co, Cobalt (ppm) 8.70 0.266 8.59 8.80 4-Acid Digestion
Cr, Chromium (ppm) 51 7 47 54 4-Acid Digestion
Cs, Caesium (ppm) 2.06 0.148 1.99 2.13 4-Acid Digestion
Dy, Dysprosium (ppm) 1.55 0.110 1.43 1.68 4-Acid Digestion
Er, Erbium (ppm) 0.61 0.042 0.59 0.64 4-Acid Digestion
Eu, Europium (ppm) 0.76 0.055 0.71 0.80 4-Acid Digestion
Fe, Iron (wt.%) 2.54 0.092 2.50 2.58 4-Acid Digestion
Ga, Gallium (ppm) 24.4 1.68 23.7 25.2 4-Acid Digestion
Gd, Gadolinium (ppm) 2.92 0.234 2.66 3.18 4-Acid Digestion
Hf, Hafnium (ppm) 2.26 0.117 2.21 2.32 4-Acid Digestion
Ho, Holmium (ppm) 0.22 0.02 0.19 0.25 4-Acid Digestion
In, Indium (ppm) 4.68 0.268 4.55 4.81 4-Acid Digestion
K, Potassium (wt.%) 1.86 0.070 1.83 1.89 4-Acid Digestion
La, Lanthanum (ppm) 20.8 3.6 19.1 22.5 4-Acid Digestion
Li, Lithium (ppm) 29.7 1.55 29.0 30.4 4-Acid Digestion
Mg, Magnesium (ppm) 1472 93 1434 1511 4-Acid Digestion
Mn, Manganese (ppm) 79 3.8 77 80 4-Acid Digestion
Mo, Molybdenum (ppm) 5.46 0.370 5.30 5.61 4-Acid Digestion
Na, Sodium (wt.%) 0.804 0.028 0.792 0.816 4-Acid Digestion
Nb, Niobium (ppm) 8.82 0.569 8.54 9.10 4-Acid Digestion
Nd, Neodymium (ppm) 19.4 1.24 18.0 20.7 4-Acid Digestion
Ni, Nickel (ppm) 27.0 1.09 26.6 27.5 4-Acid Digestion
P, Phosphorus (ppm) 548 22 538 558 4-Acid Digestion
Pb, Lead (ppm) 640 35 624 655 4-Acid Digestion
Pr, Praseodymium (ppm) 5.15 0.59 4.40 5.89 4-Acid Digestion
Rb, Rubidium (ppm) 65 2.9 63 66 4-Acid Digestion
S, Sulphur (wt.%) 4.18 0.163 4.11 4.24 4-Acid Digestion
Sb, Antimony (ppm) 365 31 351 378 4-Acid Digestion
Sc, Scandium (ppm) 3.20 0.224 3.09 3.31 4-Acid Digestion
Se, Selenium (ppm) 34.8 3.41 33.1 36.4 4-Acid Digestion
Sm, Samarium (ppm) 3.80 0.225 3.55 4.05 4-Acid Digestion
Sn, Tin (ppm) 32.1 2.34 31.1 33.0 4-Acid Digestion
Sr, Strontium (ppm) 317 21 307 327 4-Acid Digestion
Ta, Tantalum (ppm) 0.71 0.045 0.69 0.74 4-Acid Digestion
Tb, Terbium (ppm) 0.31 0.07 0.26 0.36 4-Acid Digestion
Te, Tellurium (ppm) 49.3 2.78 48.0 50.6 4-Acid Digestion
Th, Thorium (ppm) 8.66 1.08 8.11 9.22 4-Acid Digestion
Ti, Titanium (wt.%) 0.192 0.007 0.189 0.195 4-Acid Digestion
Tl, Thallium (ppm) 2.17 0.114 2.12 2.23 4-Acid Digestion
U, Uranium (ppm) 2.68 0.164 2.60 2.76 4-Acid Digestion
V, Vanadium (ppm) 31.9 1.50 31.2 32.5 4-Acid Digestion
W, Tungsten (ppm) 8.75 0.454 8.54 8.96 4-Acid Digestion
Y, Yttrium (ppm) 6.80 0.338 6.66 6.95 4-Acid Digestion
Yb, Ytterbium (ppm) 0.55 0.08 0.49 0.61 4-Acid Digestion
Zn, Zinc (ppm) 2023 73 1993 2052 4-Acid Digestion
Zr, Zirconium (ppm) 69 5.3 66 71 4-Acid Digestion
Ag, Silver (ppm) 79.2 3.62 77.6 80.9 Aqua Regia Digestion
Al, Aluminium (wt.%) 0.838 0.048 0.815 0.861 Aqua Regia Digestion
As, Arsenic (ppm) 3340 192 3253 3428 Aqua Regia Digestion
Be, Beryllium (ppm) 0.28 0.025 0.27 0.29 Aqua Regia Digestion
Bi, Bismuth (ppm) 256 16 249 264 Aqua Regia Digestion
Ca, Calcium (wt.%) 0.108 0.005 0.106 0.110 Aqua Regia Digestion
Cd, Cadmium (ppm) 13.7 0.98 13.3 14.2 Aqua Regia Digestion
Ce, Cerium (ppm) 14.6 1.45 13.7 15.5 Aqua Regia Digestion
Co, Cobalt (ppm) 8.64 0.469 8.43 8.85 Aqua Regia Digestion
Cr, Chromium (ppm) 41.7 2.91 40.4 43.0 Aqua Regia Digestion
Cs, Caesium (ppm) 0.73 0.070 0.69 0.77 Aqua Regia Digestion
Cu, Copper (wt.%) 1.18 0.024 1.17 1.19 Aqua Regia Digestion
Fe, Iron (wt.%) 2.40 0.124 2.35 2.46 Aqua Regia Digestion
Ga, Gallium (ppm) 6.83 0.504 6.56 7.10 Aqua Regia Digestion
Hf, Hafnium (ppm) 0.42 0.031 0.40 0.44 Aqua Regia Digestion
Hg, Mercury (ppm) 0.95 0.046 0.92 0.97 Aqua Regia Digestion
In, Indium (ppm) 4.53 0.172 4.43 4.62 Aqua Regia Digestion
K, Potassium (wt.%) 0.201 0.012 0.195 0.206 Aqua Regia Digestion
La, Lanthanum (ppm) 6.86 0.667 6.51 7.21 Aqua Regia Digestion
Li, Lithium (ppm) 8.25 0.619 7.89 8.61 Aqua Regia Digestion
Mg, Magnesium (ppm) 1000 67 973 1027 Aqua Regia Digestion
Mn, Manganese (ppm) 62 3.6 60 64 Aqua Regia Digestion
Mo, Molybdenum (ppm) 5.13 0.319 5.00 5.25 Aqua Regia Digestion
Na, Sodium (wt.%) 0.044 0.008 0.041 0.048 Aqua Regia Digestion
Nb, Niobium (ppm) 0.17 0.03 0.15 0.19 Aqua Regia Digestion
Ni, Nickel (ppm) 26.9 1.76 26.1 27.7 Aqua Regia Digestion
P, Phosphorus (ppm) 243 12 236 249 Aqua Regia Digestion
Pb, Lead (ppm) 481 25 470 491 Aqua Regia Digestion
Rb, Rubidium (ppm) 7.25 0.648 6.84 7.66 Aqua Regia Digestion
S, Sulphur (wt.%) 2.95 0.172 2.87 3.03 Aqua Regia Digestion
Sb, Antimony (ppm) 324 23 313 336 Aqua Regia Digestion
Sc, Scandium (ppm) 0.84 0.079 0.80 0.89 Aqua Regia Digestion
Se, Selenium (ppm) 32.5 4.1 30.4 34.6 Aqua Regia Digestion
Sn, Tin (ppm) 29.5 1.77 28.8 30.3 Aqua Regia Digestion
Sr, Strontium (ppm) 38.4 5.6 35.7 41.1 Aqua Regia Digestion
Te, Tellurium (ppm) 49.0 2.74 47.6 50.3 Aqua Regia Digestion
Th, Thorium (ppm) 3.14 0.273 2.99 3.29 Aqua Regia Digestion
Tl, Thallium (ppm) 1.81 0.080 1.77 1.85 Aqua Regia Digestion
U, Uranium (ppm) 1.12 0.092 1.07 1.17 Aqua Regia Digestion
V, Vanadium (ppm) 12.7 0.91 12.3 13.1 Aqua Regia Digestion
W, Tungsten (ppm) 4.31 0.48 4.06 4.57 Aqua Regia Digestion
Y, Yttrium (ppm) 3.09 0.237 2.98 3.21 Aqua Regia Digestion
Zn, Zinc (ppm) 2058 80 2025 2090 Aqua Regia Digestion
Zr, Zirconium (ppm) 12.5 1.05 12.0 13.1 Aqua Regia Digestion
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