OREAS 45h

OREAS 45h was prepared from a blend of mineralised lateritic soil, barren lateritic soil and minor additions of gold and nickel ores. The mineralised lateritic soil was developed over a Ni-Cu-PGE mineralised contact between gabbro and pyroxenite in a layered mafic intrusive from the Southern Murchison region of Western Australia. It contains anomalous precious and base metal values (Au, PGE’s, Cu and Ni). The barren soil was taken from a layer of mature lateritic soil developed in situ over early Tertiary tholeiitic basalt in outer eastern Melbourne, Victoria, Australia.

Analyte Certified Value 1SD 95% Confidence Low 95% Confidence High Method
Au, Gold (ppb) 41 2 40 42 Pb Fire Assay
Ni, Nickel (ppm) 423 20 416 430 4-Acid Digestion
Cu, Copper (ppm) 767 18 761 772 4-Acid Digestion
Pd, Palladium (ppb) 128 7 125 130 Pb Fire Assay
Pt, Platinum (ppb) 87 5 86 89 Pb Fire Assay
Au, Gold (ppb) 39 2 38 40 Aqua Regia Digestion (sample weights 10-50g)
Al2O3, Aluminium(III) oxide (wt.%) 15.87 0.174 15.80 15.95 Borate Fusion XRF
BaO, Barium oxide (ppm) 421 76 336 507 Borate Fusion XRF
CaO, Calcium oxide (wt.%) 0.201 0.005 0.199 0.203 Borate Fusion XRF
Co, Cobalt (ppm) 91 9.0 80 102 Borate Fusion XRF
Cr2O3, Chromium(III) oxide (ppm) 1022 42 1005 1039 Borate Fusion XRF
Cu, Copper (ppm) 786 33 750 821 Borate Fusion XRF
Fe2O3, Iron(III) oxide (wt.%) 29.43 0.354 29.28 29.59 Borate Fusion XRF
K2O, Potassium oxide (wt.%) 0.258 0.006 0.255 0.260 Borate Fusion XRF
MgO, Magnesium oxide (wt.%) 0.437 0.010 0.432 0.441 Borate Fusion XRF
MnO, Manganese oxide (wt.%) 0.050 0.001 0.050 0.051 Borate Fusion XRF
Na2O, Sodium oxide (wt.%) 0.128 0.012 0.123 0.134 Borate Fusion XRF
Ni, Nickel (ppm) 455 15 442 468 Borate Fusion XRF
P2O5, Phosphorus(V) oxide (wt.%) 0.056 0.005 0.052 0.059 Borate Fusion XRF
S, Sulphur (wt.%) 0.035 0.003 0.033 0.038 Borate Fusion XRF
SiO2, Silicon dioxide (wt.%) 41.41 0.254 41.29 41.54 Borate Fusion XRF
Sr, Strontium (ppm) 33.1 6.5 29.6 36.5 Borate Fusion XRF
TiO2, Titanium dioxide (wt.%) 1.61 0.016 1.60 1.61 Borate Fusion XRF
V2O5, Vanadium(V) oxide (ppm) 468 43 425 512 Borate Fusion XRF
Zr, Zirconium (ppm) 201 16 185 218 Borate Fusion XRF
LOI1000, Loss on ignition @1000°C (wt.%) 9.98 0.179 9.91 10.06 Thermogravimetry
Al, Aluminium (wt.%) 8.04 0.184 7.95 8.13 Borate / Peroxide Fusion ICP
Ba, Barium (ppm) 330 15 323 337 Borate / Peroxide Fusion ICP
Bi, Bismuth (ppm) 0.18 0.04 0.15 0.21 Borate / Peroxide Fusion ICP
Ca, Calcium (wt.%) 0.143 0.016 0.132 0.153 Borate / Peroxide Fusion ICP
Ce, Cerium (ppm) 24.3 0.70 23.9 24.8 Borate / Peroxide Fusion ICP
Co, Cobalt (ppm) 90 7.1 85 94 Borate / Peroxide Fusion ICP
Cr, Chromium (ppm) 677 40 652 701 Borate / Peroxide Fusion ICP
Cs, Caesium (ppm) 2.34 0.132 2.27 2.41 Borate / Peroxide Fusion ICP
Cu, Copper (ppm) 760 20 749 770 Borate / Peroxide Fusion ICP
Dy, Dysprosium (ppm) 2.63 0.255 2.41 2.85 Borate / Peroxide Fusion ICP
Er, Erbium (ppm) 1.62 0.19 1.48 1.76 Borate / Peroxide Fusion ICP
Eu, Europium (ppm) 0.65 0.055 0.62 0.69 Borate / Peroxide Fusion ICP
Fe, Iron (wt.%) 20.14 0.467 19.92 20.36 Borate / Peroxide Fusion ICP
Ga, Gallium (ppm) 20.6 1.94 19.3 21.9 Borate / Peroxide Fusion ICP
Gd, Gadolinium (ppm) 2.41 0.204 2.24 2.58 Borate / Peroxide Fusion ICP
Hf, Hafnium (ppm) 4.95 0.90 4.08 5.82 Borate / Peroxide Fusion ICP
Ho, Holmium (ppm) 0.56 0.036 0.53 0.60 Borate / Peroxide Fusion ICP
K, Potassium (wt.%) 0.214 0.018 0.204 0.224 Borate / Peroxide Fusion ICP
La, Lanthanum (ppm) 12.6 1.14 12.1 13.1 Borate / Peroxide Fusion ICP
Li, Lithium (ppm) 13.5 1.08 12.9 14.2 Borate / Peroxide Fusion ICP
Lu, Lutetium (ppm) 0.24 0.05 0.19 0.28 Borate / Peroxide Fusion ICP
Mg, Magnesium (wt.%) 0.255 0.006 0.252 0.258 Borate / Peroxide Fusion ICP
Mn, Manganese (wt.%) 0.040 0.002 0.039 0.041 Borate / Peroxide Fusion ICP
Na, Sodium (wt.%) 0.095 0.012 0.083 0.107 Borate / Peroxide Fusion ICP
Nb, Niobium (ppm) 15.6 2.6 14.1 17.1 Borate / Peroxide Fusion ICP
Nd, Neodymium (ppm) 11.3 0.93 10.4 12.2 Borate / Peroxide Fusion ICP
Ni, Nickel (ppm) 439 26 424 455 Borate / Peroxide Fusion ICP
P, Phosphorus (wt.%) 0.023 0.004 0.021 0.026 Borate / Peroxide Fusion ICP
Pr, Praseodymium (ppm) 2.93 0.130 2.81 3.05 Borate / Peroxide Fusion ICP
Rb, Rubidium (ppm) 22.7 1.48 21.8 23.6 Borate / Peroxide Fusion ICP
Sb, Antimony (ppm) 0.57 0.10 0.50 0.65 Borate / Peroxide Fusion ICP
Sc, Scandium (ppm) 53 6 47 58 Borate / Peroxide Fusion ICP
Si, Silicon (wt.%) 19.00 0.492 18.76 19.25 Borate / Peroxide Fusion ICP
Sm, Samarium (ppm) 2.50 0.26 2.28 2.73 Borate / Peroxide Fusion ICP
Sr, Strontium (ppm) 29.9 4.3 26.5 33.2 Borate / Peroxide Fusion ICP
Ta, Tantalum (ppm) 0.99 0.099 0.93 1.06 Borate / Peroxide Fusion ICP
Tb, Terbium (ppm) 0.40 0.019 0.39 0.41 Borate / Peroxide Fusion ICP
Th, Thorium (ppm) 7.40 0.565 7.07 7.74 Borate / Peroxide Fusion ICP
Ti, Titanium (wt.%) 0.933 0.027 0.921 0.946 Borate / Peroxide Fusion ICP
Tm, Thulium (ppm) 0.26 0.03 0.23 0.29 Borate / Peroxide Fusion ICP
U, Uranium (ppm) 1.82 0.151 1.73 1.91 Borate / Peroxide Fusion ICP
V, Vanadium (ppm) 275 10 271 278 Borate / Peroxide Fusion ICP
Y, Yttrium (ppm) 12.4 1.3 11.7 13.2 Borate / Peroxide Fusion ICP
Yb, Ytterbium (ppm) 1.66 0.20 1.51 1.81 Borate / Peroxide Fusion ICP
Zn, Zinc (ppm) 36.7 6.9 31.1 42.3 Borate / Peroxide Fusion ICP
Zr, Zirconium (ppm) 200 7 193 206 Borate / Peroxide Fusion ICP
Ag, Silver (ppm) 0.147 0.028 0.133 0.161 4-Acid Digestion
Al, Aluminium (wt.%) 7.99 0.261 7.90 8.08 4-Acid Digestion
As, Arsenic (ppm) 16.9 1.25 16.6 17.3 4-Acid Digestion
Ba, Barium (ppm) 332 13 328 337 4-Acid Digestion
Be, Beryllium (ppm) 1.09 0.15 1.03 1.15 4-Acid Digestion
Bi, Bismuth (ppm) 0.17 0.015 0.17 0.18 4-Acid Digestion
Ca, Calcium (wt.%) 0.135 0.010 0.132 0.139 4-Acid Digestion
Ce, Cerium (ppm) 23.6 1.63 23.0 24.3 4-Acid Digestion
Co, Cobalt (ppm) 88 3.8 86 89 4-Acid Digestion
Cr, Chromium (ppm) 602 50 584 620 4-Acid Digestion
Cs, Caesium (ppm) 2.29 0.124 2.24 2.34 4-Acid Digestion
Dy, Dysprosium (ppm) 2.42 0.187 2.29 2.55 4-Acid Digestion
Er, Erbium (ppm) 1.44 0.102 1.39 1.49 4-Acid Digestion
Eu, Europium (ppm) 0.65 0.08 0.60 0.70 4-Acid Digestion
Fe, Iron (wt.%) 19.52 0.658 19.25 19.80 4-Acid Digestion
Ga, Gallium (ppm) 21.3 1.57 20.7 22.0 4-Acid Digestion
Gd, Gadolinium (ppm) 2.34 0.143 2.24 2.44 4-Acid Digestion
Hf, Hafnium (ppm) 3.60 0.284 3.49 3.72 4-Acid Digestion
Ho, Holmium (ppm) 0.48 0.031 0.46 0.51 4-Acid Digestion
In, Indium (ppm) 0.10 0.009 0.10 0.10 4-Acid Digestion
K, Potassium (wt.%) 0.205 0.006 0.203 0.207 4-Acid Digestion
La, Lanthanum (ppm) 12.4 0.89 12.1 12.8 4-Acid Digestion
Li, Lithium (ppm) 13.1 0.95 12.7 13.4 4-Acid Digestion
Lu, Lutetium (ppm) 0.21 0.019 0.20 0.22 4-Acid Digestion
Mg, Magnesium (wt.%) 0.238 0.012 0.234 0.243 4-Acid Digestion
Mn, Manganese (wt.%) 0.038 0.001 0.038 0.039 4-Acid Digestion
Mo, Molybdenum (ppm) 1.55 0.23 1.46 1.63 4-Acid Digestion
Na, Sodium (wt.%) 0.090 0.005 0.087 0.093 4-Acid Digestion
Nb, Niobium (ppm) 14.8 0.86 14.5 15.1 4-Acid Digestion
Nd, Neodymium (ppm) 11.2 1.06 10.5 11.9 4-Acid Digestion
P, Phosphorus (wt.%) 0.023 0.002 0.023 0.024 4-Acid Digestion
Pb, Lead (ppm) 11.9 0.84 11.6 12.2 4-Acid Digestion
Pr, Praseodymium (ppm) 2.91 0.148 2.80 3.01 4-Acid Digestion
Rb, Rubidium (ppm) 22.5 1.13 22.1 23.0 4-Acid Digestion
S, Sulphur (wt.%) 0.035 0.004 0.034 0.037 4-Acid Digestion
Sb, Antimony (ppm) 0.63 0.07 0.60 0.66 4-Acid Digestion
Sc, Scandium (ppm) 57 3.6 55 58 4-Acid Digestion
Se, Selenium (ppm) 2.02 0.39 1.86 2.18 4-Acid Digestion
Sm, Samarium (ppm) 2.50 0.155 2.40 2.61 4-Acid Digestion
Sn, Tin (ppm) 1.93 0.160 1.86 1.99 4-Acid Digestion
Sr, Strontium (ppm) 27.1 1.48 26.6 27.6 4-Acid Digestion
Ta, Tantalum (ppm) 1.08 0.12 1.03 1.13 4-Acid Digestion
Tb, Terbium (ppm) 0.39 0.034 0.37 0.40 4-Acid Digestion
Th, Thorium (ppm) 7.26 0.78 6.96 7.55 4-Acid Digestion
Ti, Titanium (wt.%) 0.878 0.027 0.867 0.888 4-Acid Digestion
Tl, Thallium (ppm) 0.15 0.013 0.14 0.15 4-Acid Digestion
Tm, Thulium (ppm) 0.23 0.02 0.21 0.24 4-Acid Digestion
U, Uranium (ppm) 1.68 0.144 1.62 1.73 4-Acid Digestion
V, Vanadium (ppm) 263 9 260 266 4-Acid Digestion
W, Tungsten (ppm) 0.99 0.088 0.96 1.03 4-Acid Digestion
Y, Yttrium (ppm) 10.4 0.71 10.1 10.6 4-Acid Digestion
Yb, Ytterbium (ppm) 1.44 0.116 1.39 1.49 4-Acid Digestion
Zn, Zinc (ppm) 39.7 1.81 39.0 40.4 4-Acid Digestion
Zr, Zirconium (ppm) 131 6 129 134 4-Acid Digestion
Ag, Silver (ppm) 0.092 0.011 0.085 0.098 Aqua Regia Digestion (sample weights 0.15-50g)
Al, Aluminium (wt.%) 3.89 0.549 3.65 4.13 Aqua Regia Digestion (sample weights 0.15-50g)
As, Arsenic (ppm) 8.36 1.16 7.80 8.91 Aqua Regia Digestion (sample weights 0.15-50g)
Ba, Barium (ppm) 271 13 265 276 Aqua Regia Digestion (sample weights 0.15-50g)
Be, Beryllium (ppm) 0.94 0.091 0.90 0.97 Aqua Regia Digestion (sample weights 0.15-50g)
Bi, Bismuth (ppm) 0.14 0.010 0.13 0.14 Aqua Regia Digestion (sample weights 0.15-50g)
Ca, Calcium (wt.%) 0.106 0.009 0.103 0.110 Aqua Regia Digestion (sample weights 0.15-50g)
Ce, Cerium (ppm) 18.4 1.63 17.8 19.1 Aqua Regia Digestion (sample weights 0.15-50g)
Co, Cobalt (ppm) 79 6.2 77 82 Aqua Regia Digestion (sample weights 0.15-50g)
Cr, Chromium (ppm) 508 36 494 522 Aqua Regia Digestion (sample weights 0.15-50g)
Cs, Caesium (ppm) 1.22 0.15 1.14 1.29 Aqua Regia Digestion (sample weights 0.15-50g)
Cu, Copper (ppm) 717 24 708 727 Aqua Regia Digestion (sample weights 0.15-50g)
Dy, Dysprosium (ppm) 1.83 0.109 1.75 1.90 Aqua Regia Digestion (sample weights 0.15-50g)
Er, Erbium (ppm) 0.99 0.066 0.94 1.04 Aqua Regia Digestion (sample weights 0.15-50g)
Eu, Europium (ppm) 0.54 0.054 0.50 0.58 Aqua Regia Digestion (sample weights 0.15-50g)
Fe, Iron (wt.%) 18.18 1.019 17.75 18.61 Aqua Regia Digestion (sample weights 0.15-50g)
Ga, Gallium (ppm) 16.1 1.37 15.5 16.6 Aqua Regia Digestion (sample weights 0.15-50g)
Gd, Gadolinium (ppm) 1.86 0.167 1.74 1.97 Aqua Regia Digestion (sample weights 0.15-50g)
Ge, Germanium (ppm) 0.15 0.03 0.12 0.18 Aqua Regia Digestion (sample weights 0.15-50g)
Hf, Hafnium (ppm) 0.90 0.16 0.83 0.97 Aqua Regia Digestion (sample weights 0.15-50g)
Hg, Mercury (ppm) 0.024 0.003 0.022 0.025 Aqua Regia Digestion (sample weights 0.15-50g)
Ho, Holmium (ppm) 0.35 0.025 0.33 0.37 Aqua Regia Digestion (sample weights 0.15-50g)
In, Indium (ppm) 0.086 0.006 0.084 0.088 Aqua Regia Digestion (sample weights 0.15-50g)
K, Potassium (wt.%) 0.084 0.009 0.081 0.088 Aqua Regia Digestion (sample weights 0.15-50g)
La, Lanthanum (ppm) 8.91 0.581 8.68 9.15 Aqua Regia Digestion (sample weights 0.15-50g)
Lu, Lutetium (ppm) 0.13 0.008 0.13 0.14 Aqua Regia Digestion (sample weights 0.15-50g)
Mg, Magnesium (wt.%) 0.165 0.016 0.159 0.171 Aqua Regia Digestion (sample weights 0.15-50g)
Mn, Manganese (wt.%) 0.026 0.002 0.025 0.027 Aqua Regia Digestion (sample weights 0.15-50g)
Mo, Molybdenum (ppm) 0.92 0.13 0.87 0.97 Aqua Regia Digestion (sample weights 0.15-50g)
Na, Sodium (wt.%) 0.036 0.005 0.034 0.039 Aqua Regia Digestion (sample weights 0.15-50g)
Nd, Neodymium (ppm) 8.92 0.541 8.56 9.27 Aqua Regia Digestion (sample weights 0.15-50g)
Ni, Nickel (ppm) 348 31 336 360 Aqua Regia Digestion (sample weights 0.15-50g)
P, Phosphorus (wt.%) 0.018 0.001 0.018 0.019 Aqua Regia Digestion (sample weights 0.15-50g)
Pb, Lead (ppm) 10.2 0.57 10.0 10.4 Aqua Regia Digestion (sample weights 0.15-50g)
Pd, Palladium (ppb) 94 9 89 100 Aqua Regia Digestion (sample weights 0.15-50g)
Pr, Praseodymium (ppm) 2.33 0.25 2.14 2.51 Aqua Regia Digestion (sample weights 0.15-50g)
Pt, Platinum (ppb) 81 4 79 84 Aqua Regia Digestion (sample weights 0.15-50g)
Rb, Rubidium (ppm) 11.5 1.8 10.7 12.4 Aqua Regia Digestion (sample weights 0.15-50g)
S, Sulphur (wt.%) 0.032 0.003 0.030 0.033 Aqua Regia Digestion (sample weights 0.15-50g)
Sc, Scandium (ppm) 50 3.3 49 52 Aqua Regia Digestion (sample weights 0.15-50g)
Sm, Samarium (ppm) 1.95 0.174 1.82 2.08 Aqua Regia Digestion (sample weights 0.15-50g)
Sn, Tin (ppm) 1.34 0.131 1.28 1.40 Aqua Regia Digestion (sample weights 0.15-50g)
Sr, Strontium (ppm) 15.5 1.05 15.1 15.9 Aqua Regia Digestion (sample weights 0.15-50g)
Tb, Terbium (ppm) 0.29 0.012 0.29 0.30 Aqua Regia Digestion (sample weights 0.15-50g)
Th, Thorium (ppm) 5.52 0.542 5.30 5.75 Aqua Regia Digestion (sample weights 0.15-50g)
Ti, Titanium (wt.%) 0.116 0.021 0.107 0.126 Aqua Regia Digestion (sample weights 0.15-50g)
Tl, Thallium (ppm) 0.085 0.011 0.080 0.090 Aqua Regia Digestion (sample weights 0.15-50g)
Tm, Thulium (ppm) 0.14 0.010 0.13 0.15 Aqua Regia Digestion (sample weights 0.15-50g)
U, Uranium (ppm) 0.92 0.060 0.90 0.95 Aqua Regia Digestion (sample weights 0.15-50g)
V, Vanadium (ppm) 233 11 229 237 Aqua Regia Digestion (sample weights 0.15-50g)
Y, Yttrium (ppm) 7.24 0.313 7.13 7.36 Aqua Regia Digestion (sample weights 0.15-50g)
Yb, Ytterbium (ppm) 0.95 0.063 0.92 0.98 Aqua Regia Digestion (sample weights 0.15-50g)
Zn, Zinc (ppm) 27.7 4.1 26.0 29.3 Aqua Regia Digestion (sample weights 0.15-50g)
Zr, Zirconium (ppm) 28.1 4.1 26.4 29.8 Aqua Regia Digestion (sample weights 0.15-50g)
C, Carbon (wt.%) 0.487 0.019 0.479 0.494 Infrared Combustion
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