OREAS 226

OREAS 226 was prepared from a blend of Archean greenstone-hosted Wilber Lode primary ore from the Andy Well Gold Mine and barren Cambrian greenstone sourced from a quarry north of Melbourne, Australia. The Wilber Lode is a shear-hosted, narrow vein, quartz lode-style gold deposit situated within the Meekatharra-Wydgee greenstone belt in the Archean Yilgarn Craton of Western Australia.
Analyte Certified Value 1SD 95% Confidence Limits Low 95% Confidence Limits High Method
Au, Gold (ppm) 5.45 0.126 5.41 5.49 Pb Fire Assay
Au, Gold (ppm) 5.36 0.160 5.30 5.42 Aqua Regia Digestion (sample weights 10-50g)
Au, Gold (ppm) 5.45 0.266 5.29 5.60 Cyanide Leach
Ag, Silver (ppm) 0.904 0.066 0.876 0.933 Aqua Regia Digestion (sample weights 0.15-50g)
Al, Aluminium (wt.%) 2.95 0.178 2.87 3.02 Aqua Regia Digestion (sample weights 0.15-50g)
As, Arsenic (ppm) 29.5 1.60 28.9 30.0 Aqua Regia Digestion (sample weights 0.15-50g)
B, Boron (ppm) 32.2 4.1 25.5 38.8 Aqua Regia Digestion (sample weights 0.15-50g)
Ba, Barium (ppm) 31.0 3.6 29.2 32.9 Aqua Regia Digestion (sample weights 0.15-50g)
Be, Beryllium (ppm) 0.18 0.02 0.17 0.19 Aqua Regia Digestion (sample weights 0.15-50g)
Bi, Bismuth (ppm) 0.29 0.025 0.28 0.31 Aqua Regia Digestion (sample weights 0.15-50g)
Ca, Calcium (wt.%) 2.64 0.196 2.55 2.72 Aqua Regia Digestion (sample weights 0.15-50g)
Cd, Cadmium (ppm) 0.14 0.03 0.13 0.16 Aqua Regia Digestion (sample weights 0.15-50g)
Ce, Cerium (ppm) 7.89 0.79 7.40 8.38 Aqua Regia Digestion (sample weights 0.15-50g)
Co, Cobalt (ppm) 31.5 1.82 30.7 32.2 Aqua Regia Digestion (sample weights 0.15-50g)
Cr, Chromium (ppm) 227 12 222 232 Aqua Regia Digestion (sample weights 0.15-50g)
Cs, Caesium (ppm) 0.25 0.023 0.24 0.27 Aqua Regia Digestion (sample weights 0.15-50g)
Cu, Copper (ppm) 138 5 137 140 Aqua Regia Digestion (sample weights 0.15-50g)
Dy, Dysprosium (ppm) 2.21 0.36 1.73 2.69 Aqua Regia Digestion (sample weights 0.15-50g)
Fe, Iron (wt.%) 5.31 0.470 5.12 5.50 Aqua Regia Digestion (sample weights 0.15-50g)
Ga, Gallium (ppm) 10.3 1.3 9.4 11.2 Aqua Regia Digestion (sample weights 0.15-50g)
Hf, Hafnium (ppm) 0.44 0.08 0.39 0.50 Aqua Regia Digestion (sample weights 0.15-50g)
K, Potassium (wt.%) 0.124 0.011 0.119 0.128 Aqua Regia Digestion (sample weights 0.15-50g)
La, Lanthanum (ppm) 3.39 0.255 3.25 3.52 Aqua Regia Digestion (sample weights 0.15-50g)
Li, Lithium (ppm) 16.3 1.48 15.5 17.1 Aqua Regia Digestion (sample weights 0.15-50g)
Mg, Magnesium (wt.%) 2.41 0.155 2.34 2.47 Aqua Regia Digestion (sample weights 0.15-50g)
Mn, Manganese (wt.%) 0.067 0.004 0.065 0.068 Aqua Regia Digestion (sample weights 0.15-50g)
Mo, Molybdenum (ppm) 2.94 0.176 2.83 3.05 Aqua Regia Digestion (sample weights 0.15-50g)
Na, Sodium (wt.%) 0.071 0.014 0.065 0.078 Aqua Regia Digestion (sample weights 0.15-50g)
Nd, Neodymium (ppm) 4.50 0.85 3.19 5.81 Aqua Regia Digestion (sample weights 0.15-50g)
Ni, Nickel (ppm) 91 5.1 89 93 Aqua Regia Digestion (sample weights 0.15-50g)
P, Phosphorus (wt.%) 0.040 0.003 0.039 0.041 Aqua Regia Digestion (sample weights 0.15-50g)
Pb, Lead (ppm) 16.4 1.26 15.9 16.8 Aqua Regia Digestion (sample weights 0.15-50g)
Rb, Rubidium (ppm) 5.44 0.499 5.10 5.77 Aqua Regia Digestion (sample weights 0.15-50g)
S, Sulphur (wt.%) 0.448 0.018 0.441 0.455 Aqua Regia Digestion (sample weights 0.15-50g)
Sb, Antimony (ppm) 0.20 0.03 0.17 0.23 Aqua Regia Digestion (sample weights 0.15-50g)
Sc, Scandium (ppm) 6.91 0.72 6.45 7.37 Aqua Regia Digestion (sample weights 0.15-50g)
Sr, Strontium (ppm) 32.7 3.4 31.1 34.3 Aqua Regia Digestion (sample weights 0.15-50g)
Tb, Terbium (ppm) 0.31 0.04 0.28 0.35 Aqua Regia Digestion (sample weights 0.15-50g)
Te, Tellurium (ppm) 0.15 0.02 0.14 0.16 Aqua Regia Digestion (sample weights 0.15-50g)
Th, Thorium (ppm) 0.81 0.080 0.74 0.89 Aqua Regia Digestion (sample weights 0.15-50g)
Ti, Titanium (wt.%) 0.323 0.060 0.296 0.350 Aqua Regia Digestion (sample weights 0.15-50g)
Tl, Thallium (ppm) 0.056 0.009 0.050 0.062 Aqua Regia Digestion (sample weights 0.15-50g)
U, Uranium (ppm) 0.17 0.03 0.15 0.19 Aqua Regia Digestion (sample weights 0.15-50g)
V, Vanadium (ppm) 146 9 142 149 Aqua Regia Digestion (sample weights 0.15-50g)
W, Tungsten (ppm) 3.41 0.47 3.07 3.75 Aqua Regia Digestion (sample weights 0.15-50g)
Y, Yttrium (ppm) 11.0 1.1 10.4 11.6 Aqua Regia Digestion (sample weights 0.15-50g)
Yb, Ytterbium (ppm) 1.06 0.18 0.91 1.21 Aqua Regia Digestion (sample weights 0.15-50g)
Zn, Zinc (ppm) 73 4.9 71 75 Aqua Regia Digestion (sample weights 0.15-50g)
Zr, Zirconium (ppm) 12.3 2.2 10.7 13.9 Aqua Regia Digestion (sample weights 0.15-50g)
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