OREAS 609

OREAS 609 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) 5.16 0.139 5.11 5.20 Pb Fire Assay
Ag, Silver (ppm) 24.6 0.92 24.2 24.9 4-Acid Digestion
Cu, Copper (wt.%) 0.495 0.011 0.491 0.499 4-Acid Digestion
Au, Gold (ppm) 5.12 0.167 5.03 5.22 Aqua Regia Digestion (sample weights 10-50g)
S, Sulphur (wt.%) 3.47 0.140 3.41 3.53 Infrared Combustion
Al, Aluminium (wt.%) 6.39 0.267 6.28 6.51 4-Acid Digestion
As, Arsenic (ppm) 1489 72 1456 1523 4-Acid Digestion
Be, Beryllium (ppm) 1.42 0.099 1.37 1.46 4-Acid Digestion
Bi, Bismuth (ppm) 112 6 110 115 4-Acid Digestion
Ca, Calcium (wt.%) 0.294 0.021 0.285 0.304 4-Acid Digestion
Cd, Cadmium (ppm) 7.40 0.368 7.24 7.56 4-Acid Digestion
Ce, Cerium (ppm) 53 4.8 50 55 4-Acid Digestion
Co, Cobalt (ppm) 5.41 0.268 5.31 5.52 4-Acid Digestion
Cr, Chromium (ppm) 28.4 4.0 26.8 30.0 4-Acid Digestion
Cs, Caesium (ppm) 2.49 0.154 2.41 2.57 4-Acid Digestion
Dy, Dysprosium (ppm) 1.68 0.126 1.55 1.81 4-Acid Digestion
Er, Erbium (ppm) 0.61 0.053 0.56 0.66 4-Acid Digestion
Eu, Europium (ppm) 0.85 0.053 0.80 0.90 4-Acid Digestion
Fe, Iron (wt.%) 2.09 0.070 2.07 2.12 4-Acid Digestion
Ga, Gallium (ppm) 23.2 1.02 22.7 23.7 4-Acid Digestion
Gd, Gadolinium (ppm) 3.19 0.279 2.90 3.48 4-Acid Digestion
Hf, Hafnium (ppm) 2.00 0.125 1.94 2.06 4-Acid Digestion
Ho, Holmium (ppm) 0.23 0.04 0.19 0.27 4-Acid Digestion
In, Indium (ppm) 1.97 0.123 1.92 2.03 4-Acid Digestion
K, Potassium (wt.%) 2.25 0.077 2.22 2.28 4-Acid Digestion
La, Lanthanum (ppm) 23.3 4.2 21.3 25.2 4-Acid Digestion
Li, Lithium (ppm) 25.6 1.19 25.2 26.1 4-Acid Digestion
Mg, Magnesium (ppm) 1857 105 1814 1901 4-Acid Digestion
Mn, Manganese (ppm) 82 3.0 81 84 4-Acid Digestion
Mo, Molybdenum (ppm) 4.43 0.290 4.30 4.56 4-Acid Digestion
Na, Sodium (wt.%) 0.934 0.033 0.920 0.948 4-Acid Digestion
Nb, Niobium (ppm) 9.17 0.512 8.92 9.42 4-Acid Digestion
Nd, Neodymium (ppm) 21.3 1.74 19.3 23.3 4-Acid Digestion
Ni, Nickel (ppm) 12.8 0.54 12.6 13.0 4-Acid Digestion
P, Phosphorus (ppm) 570 29 556 583 4-Acid Digestion
Pb, Lead (ppm) 608 37 592 623 4-Acid Digestion
Pr, Praseodymium (ppm) 5.82 0.59 5.12 6.52 4-Acid Digestion
Rb, Rubidium (ppm) 77 3.1 76 79 4-Acid Digestion
S, Sulphur (wt.%) 3.43 0.113 3.39 3.48 4-Acid Digestion
Sb, Antimony (ppm) 140 12 135 145 4-Acid Digestion
Sc, Scandium (ppm) 3.08 0.229 2.96 3.21 4-Acid Digestion
Se, Selenium (ppm) 17.1 1.8 16.2 18.0 4-Acid Digestion
Sm, Samarium (ppm) 4.15 0.374 3.78 4.52 4-Acid Digestion
Sn, Tin (ppm) 10.1 0.52 9.8 10.4 4-Acid Digestion
Sr, Strontium (ppm) 284 18 275 293 4-Acid Digestion
Ta, Tantalum (ppm) 0.71 0.060 0.68 0.75 4-Acid Digestion
Tb, Terbium (ppm) 0.36 0.05 0.31 0.41 4-Acid Digestion
Te, Tellurium (ppm) 19.3 0.88 18.9 19.8 4-Acid Digestion
Th, Thorium (ppm) 9.91 1.08 9.35 10.46 4-Acid Digestion
Ti, Titanium (wt.%) 0.161 0.005 0.159 0.163 4-Acid Digestion
Tl, Thallium (ppm) 1.68 0.058 1.66 1.71 4-Acid Digestion
U, Uranium (ppm) 2.87 0.130 2.80 2.93 4-Acid Digestion
V, Vanadium (ppm) 28.1 1.41 27.5 28.7 4-Acid Digestion
W, Tungsten (ppm) 5.62 0.269 5.50 5.75 4-Acid Digestion
Y, Yttrium (ppm) 7.29 0.354 7.11 7.46 4-Acid Digestion
Yb, Ytterbium (ppm) 0.53 0.06 0.49 0.57 4-Acid Digestion
Zn, Zinc (ppm) 1032 38 1016 1048 4-Acid Digestion
Zr, Zirconium (ppm) 59 4.9 57 61 4-Acid Digestion
Ag, Silver (ppm) 24.6 0.89 24.2 24.9 Aqua Regia Digestion
Al, Aluminium (wt.%) 0.889 0.056 0.862 0.916 Aqua Regia Digestion
As, Arsenic (ppm) 1486 79 1449 1522 Aqua Regia Digestion
Be, Beryllium (ppm) 0.32 0.026 0.31 0.33 Aqua Regia Digestion
Bi, Bismuth (ppm) 110 5 108 112 Aqua Regia Digestion
Ca, Calcium (wt.%) 0.150 0.006 0.147 0.153 Aqua Regia Digestion
Cd, Cadmium (ppm) 7.49 0.466 7.27 7.72 Aqua Regia Digestion
Ce, Cerium (ppm) 16.2 0.84 15.6 16.7 Aqua Regia Digestion
Co, Cobalt (ppm) 5.36 0.218 5.28 5.45 Aqua Regia Digestion
Cr, Chromium (ppm) 23.2 1.99 22.3 24.0 Aqua Regia Digestion
Cs, Caesium (ppm) 0.87 0.048 0.84 0.90 Aqua Regia Digestion
Cu, Copper (wt.%) 0.497 0.017 0.490 0.503 Aqua Regia Digestion
Fe, Iron (wt.%) 1.97 0.110 1.93 2.02 Aqua Regia Digestion
Ga, Gallium (ppm) 5.35 0.372 5.14 5.55 Aqua Regia Digestion
Hf, Hafnium (ppm) 0.39 0.027 0.38 0.41 Aqua Regia Digestion
Hg, Mercury (ppm) 0.47 0.025 0.46 0.48 Aqua Regia Digestion
In, Indium (ppm) 1.95 0.099 1.90 2.00 Aqua Regia Digestion
K, Potassium (wt.%) 0.236 0.021 0.226 0.246 Aqua Regia Digestion
La, Lanthanum (ppm) 7.98 0.734 7.60 8.35 Aqua Regia Digestion
Li, Lithium (ppm) 9.16 1.08 8.67 9.65 Aqua Regia Digestion
Mg, Magnesium (ppm) 1283 107 1239 1326 Aqua Regia Digestion
Mn, Manganese (ppm) 70 4.8 68 72 Aqua Regia Digestion
Mo, Molybdenum (ppm) 4.10 0.240 4.00 4.20 Aqua Regia Digestion
Na, Sodium (wt.%) 0.051 0.010 0.047 0.056 Aqua Regia Digestion
Ni, Nickel (ppm) 12.6 0.58 12.4 12.9 Aqua Regia Digestion
P, Phosphorus (ppm) 290 22 278 301 Aqua Regia Digestion
Pb, Lead (ppm) 485 25 473 496 Aqua Regia Digestion
Rb, Rubidium (ppm) 9.02 0.437 8.75 9.28 Aqua Regia Digestion
S, Sulphur (wt.%) 1.95 0.094 1.90 2.00 Aqua Regia Digestion
Sb, Antimony (ppm) 118 13 112 123 Aqua Regia Digestion
Sc, Scandium (ppm) 0.86 0.11 0.80 0.92 Aqua Regia Digestion
Se, Selenium (ppm) 17.0 1.8 15.8 18.2 Aqua Regia Digestion
Sn, Tin (ppm) 8.12 0.264 8.00 8.25 Aqua Regia Digestion
Sr, Strontium (ppm) 36.9 7.4 33.5 40.2 Aqua Regia Digestion
Te, Tellurium (ppm) 19.1 1.10 18.6 19.7 Aqua Regia Digestion
Th, Thorium (ppm) 3.60 0.331 3.41 3.80 Aqua Regia Digestion
Tl, Thallium (ppm) 1.27 0.053 1.24 1.29 Aqua Regia Digestion
U, Uranium (ppm) 1.25 0.094 1.20 1.30 Aqua Regia Digestion
V, Vanadium (ppm) 9.49 1.00 9.06 9.93 Aqua Regia Digestion
W, Tungsten (ppm) 2.36 0.29 2.21 2.51 Aqua Regia Digestion
Y, Yttrium (ppm) 3.47 0.127 3.41 3.54 Aqua Regia Digestion
Zn, Zinc (ppm) 1042 33 1028 1055 Aqua Regia Digestion
Zr, Zirconium (ppm) 11.3 0.98 10.8 11.8 Aqua Regia Digestion
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