Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 509 was prepared from a blend of porphyry copper-gold ores, barren granodiorite and minor quantities of Cu-Au and Cu-Mo concentrates. The ores were sourced from the Northparkes Mine located in the Central West of New South Wales, Australia. The barren granodiorite was sourced from the mafic, S-Type, Late Devonian Bulla Granodiorite complex located in northern Melbourne, Australia. The Northparkes Mine hosts Cu-Au mineralisation in vertically extensive porphyry pipes with quartz-sulphide veins, breccia fillings, and disseminated sulphides. Bornite and chalcopyrite dominate, with gold as fine inclusions. Potassic alteration zones typically host the highest ore grades. Thirty-one commercial analytical laboratories participated in the program to certify the elements reported below.
Analyte | Certified Value | 1SD | Expanded Uncertainty Low | Expanded Uncertainty High | Method |
---|---|---|---|---|---|
Cu, Copper (wt.%) | 1.13 | 0.024 | 1.11 | 1.15 | 4-Acid Digestion |
Mo, Molybdenum (ppm) | 506 | 20 | 488 | 523 | 4-Acid Digestion |
Au, Gold (ppm) | 1.40 | 0.046 | 1.38 | 1.42 | Pb Fire Assay |
Au, Gold (ppm) | 1.37 | 0.078 | 1.34 | 1.41 | Aqua Regia Digestion (sample weights 10-50g) |
Ag, Silver (ppm) | 2.41 | 0.151 | 2.27 | 2.55 | 4-Acid Digestion |
Al, Aluminium (wt.%) | 7.33 | 0.239 | 7.13 | 7.53 | 4-Acid Digestion |
As, Arsenic (ppm) | 59 | 3.2 | 56 | 63 | 4-Acid Digestion |
Ba, Barium (ppm) | 918 | 43 | 879 | 956 | 4-Acid Digestion |
Be, Beryllium (ppm) | 2.28 | 0.168 | 2.13 | 2.43 | 4-Acid Digestion |
Bi, Bismuth (ppm) | 3.33 | 0.241 | 3.09 | 3.57 | 4-Acid Digestion |
Ca, Calcium (wt.%) | 1.67 | 0.060 | 1.61 | 1.74 | 4-Acid Digestion |
Cd, Cadmium (ppm) | 1.25 | 0.14 | 1.12 | 1.37 | 4-Acid Digestion |
Ce, Cerium (ppm) | 68 | 4.2 | 64 | 71 | 4-Acid Digestion |
Co, Cobalt (ppm) | 19.4 | 0.88 | 18.5 | 20.4 | 4-Acid Digestion |
Cr, Chromium (ppm) | 44.3 | 3.42 | 41.7 | 46.8 | 4-Acid Digestion |
Cs, Caesium (ppm) | 9.23 | 0.308 | 8.90 | 9.57 | 4-Acid Digestion |
Dy, Dysprosium (ppm) | 3.50 | 0.233 | 3.24 | 3.76 | 4-Acid Digestion |
Er, Erbium (ppm) | 1.39 | 0.080 | 1.25 | 1.52 | 4-Acid Digestion |
Eu, Europium (ppm) | 1.32 | 0.091 | 1.21 | 1.43 | 4-Acid Digestion |
Fe, Iron (wt.%) | 4.07 | 0.124 | 3.91 | 4.23 | 4-Acid Digestion |
Ga, Gallium (ppm) | 18.9 | 0.82 | 18.1 | 19.6 | 4-Acid Digestion |
Gd, Gadolinium (ppm) | 5.29 | 0.228 | 4.96 | 5.62 | 4-Acid Digestion |
Ge, Germanium (ppm) | 0.17 | 0.04 | 0.13 | 0.20 | 4-Acid Digestion |
Hf, Hafnium (ppm) | 2.10 | 0.160 | 1.95 | 2.26 | 4-Acid Digestion |
Ho, Holmium (ppm) | 0.54 | 0.045 | 0.49 | 0.60 | 4-Acid Digestion |
In, Indium (ppm) | 0.74 | 0.028 | 0.70 | 0.78 | 4-Acid Digestion |
K, Potassium (wt.%) | 3.14 | 0.086 | 3.06 | 3.23 | 4-Acid Digestion |
La, Lanthanum (ppm) | 32.8 | 2.72 | 30.8 | 34.9 | 4-Acid Digestion |
Li, Lithium (ppm) | 44.2 | 1.72 | 42.5 | 45.9 | 4-Acid Digestion |
Lu, Lutetium (ppm) | 0.17 | 0.02 | 0.15 | 0.18 | 4-Acid Digestion |
Mg, Magnesium (wt.%) | 0.751 | 0.025 | 0.723 | 0.780 | 4-Acid Digestion |
Mn, Manganese (wt.%) | 0.037 | 0.002 | 0.036 | 0.039 | 4-Acid Digestion |
Na, Sodium (wt.%) | 2.03 | 0.072 | 1.96 | 2.10 | 4-Acid Digestion |
Nb, Niobium (ppm) | 11.6 | 0.62 | 11.0 | 12.1 | 4-Acid Digestion |
Nd, Neodymium (ppm) | 30.3 | 2.06 | 28.2 | 32.4 | 4-Acid Digestion |
Ni, Nickel (ppm) | 17.2 | 0.90 | 16.3 | 18.2 | 4-Acid Digestion |
P, Phosphorus (wt.%) | 0.085 | 0.004 | 0.081 | 0.088 | 4-Acid Digestion |
Pb, Lead (ppm) | 100 | 3.7 | 95 | 104 | 4-Acid Digestion |
Pr, Praseodymium (ppm) | 8.07 | 0.91 | 7.32 | 8.82 | 4-Acid Digestion |
Rb, Rubidium (ppm) | 151 | 6 | 144 | 159 | 4-Acid Digestion |
Re, Rhenium (ppm) | 0.11 | 0.006 | 0.10 | 0.12 | 4-Acid Digestion |
S, Sulphur (wt.%) | 1.66 | 0.051 | 1.62 | 1.71 | 4-Acid Digestion |
Sb, Antimony (ppm) | 2.55 | 0.167 | 2.38 | 2.72 | 4-Acid Digestion |
Sc, Scandium (ppm) | 8.11 | 0.501 | 7.70 | 8.53 | 4-Acid Digestion |
Se, Selenium (ppm) | 13.1 | 1.23 | 12.0 | 14.2 | 4-Acid Digestion |
Sm, Samarium (ppm) | 6.22 | 0.369 | 5.84 | 6.60 | 4-Acid Digestion |
Sn, Tin (ppm) | 4.41 | 0.173 | 4.18 | 4.64 | 4-Acid Digestion |
Sr, Strontium (ppm) | 247 | 10 | 238 | 256 | 4-Acid Digestion |
Ta, Tantalum (ppm) | 1.03 | 0.14 | 0.95 | 1.12 | 4-Acid Digestion |
Tb, Terbium (ppm) | 0.70 | 0.063 | 0.64 | 0.76 | 4-Acid Digestion |
Te, Tellurium (ppm) | 1.78 | 0.127 | 1.62 | 1.95 | 4-Acid Digestion |
Th, Thorium (ppm) | 12.3 | 1.11 | 11.5 | 13.1 | 4-Acid Digestion |
Ti, Titanium (wt.%) | 0.334 | 0.013 | 0.320 | 0.347 | 4-Acid Digestion |
Tl, Thallium (ppm) | 1.00 | 0.063 | 0.94 | 1.05 | 4-Acid Digestion |
Tm, Thulium (ppm) | 0.19 | 0.010 | 0.18 | 0.20 | 4-Acid Digestion |
U, Uranium (ppm) | 3.45 | 0.307 | 2.95 | 3.95 | 4-Acid Digestion |
V, Vanadium (ppm) | 67 | 3.2 | 64 | 70 | 4-Acid Digestion |
W, Tungsten (ppm) | 10.1 | 0.99 | 8.9 | 11.2 | 4-Acid Digestion |
Y, Yttrium (ppm) | 14.5 | 1.16 | 13.6 | 15.4 | 4-Acid Digestion |
Yb, Ytterbium (ppm) | 1.19 | 0.111 | 1.07 | 1.31 | 4-Acid Digestion |
Zn, Zinc (ppm) | 416 | 15 | 402 | 430 | 4-Acid Digestion |
Zr, Zirconium (ppm) | 66 | 3.7 | 62 | 70 | 4-Acid Digestion |
Ag, Silver (ppm) | 2.37 | 0.115 | 2.28 | 2.47 | Aqua Regia Digestion |
Al, Aluminium (wt.%) | 1.77 | 0.094 | 1.71 | 1.83 | Aqua Regia Digestion |
As, Arsenic (ppm) | 58 | 3.3 | 55 | 61 | Aqua Regia Digestion |
B, Boron (ppm) | < 10.0 | IND | IND | IND | Aqua Regia Digestion |
Be, Beryllium (ppm) | 1.37 | 0.135 | 1.27 | 1.46 | Aqua Regia Digestion |
Bi, Bismuth (ppm) | 3.35 | 0.219 | 3.11 | 3.59 | Aqua Regia Digestion |
Ca, Calcium (wt.%) | 0.634 | 0.033 | 0.611 | 0.657 | Aqua Regia Digestion |
Cd, Cadmium (ppm) | 1.15 | 0.15 | 1.05 | 1.25 | Aqua Regia Digestion |
Ce, Cerium (ppm) | 26.0 | 4.8 | 23.6 | 28.4 | Aqua Regia Digestion |
Co, Cobalt (ppm) | 19.1 | 0.93 | 18.3 | 19.9 | Aqua Regia Digestion |
Cr, Chromium (ppm) | 45.9 | 2.01 | 44.0 | 47.8 | Aqua Regia Digestion |
Cs, Caesium (ppm) | 7.81 | 0.85 | 7.37 | 8.24 | Aqua Regia Digestion |
Cu, Copper (wt.%) | 1.13 | 0.029 | 1.11 | 1.16 | Aqua Regia Digestion |
Dy, Dysprosium (ppm) | 2.32 | 0.170 | 2.14 | 2.50 | Aqua Regia Digestion |
Er, Erbium (ppm) | 0.90 | 0.057 | 0.82 | 0.97 | Aqua Regia Digestion |
Eu, Europium (ppm) | 0.33 | 0.04 | 0.28 | 0.38 | Aqua Regia Digestion |
Fe, Iron (wt.%) | 3.98 | 0.088 | 3.90 | 4.07 | Aqua Regia Digestion |
Ga, Gallium (ppm) | 8.49 | 0.341 | 8.15 | 8.83 | Aqua Regia Digestion |
Gd, Gadolinium (ppm) | 2.91 | 0.155 | 2.69 | 3.13 | Aqua Regia Digestion |
Ge, Germanium (ppm) | 0.12 | 0.04 | 0.10 | 0.15 | Aqua Regia Digestion |
Hf, Hafnium (ppm) | 0.36 | 0.04 | 0.33 | 0.39 | Aqua Regia Digestion |
Hg, Mercury (ppm) | 0.080 | 0.015 | 0.063 | 0.098 | Aqua Regia Digestion |
Ho, Holmium (ppm) | 0.35 | 0.018 | 0.32 | 0.39 | Aqua Regia Digestion |
In, Indium (ppm) | 0.74 | 0.030 | 0.71 | 0.77 | Aqua Regia Digestion |
K, Potassium (wt.%) | 0.917 | 0.047 | 0.886 | 0.949 | Aqua Regia Digestion |
La, Lanthanum (ppm) | 11.8 | 2.0 | 10.7 | 12.9 | Aqua Regia Digestion |
Li, Lithium (ppm) | 36.2 | 2.39 | 34.6 | 37.9 | Aqua Regia Digestion |
Lu, Lutetium (ppm) | 0.095 | 0.010 | 0.085 | 0.105 | Aqua Regia Digestion |
Mg, Magnesium (wt.%) | 0.684 | 0.038 | 0.657 | 0.711 | Aqua Regia Digestion |
Mn, Manganese (wt.%) | 0.033 | 0.001 | 0.031 | 0.034 | Aqua Regia Digestion |
Mo, Molybdenum (ppm) | 493 | 27 | 474 | 511 | Aqua Regia Digestion |
Na, Sodium (wt.%) | 0.142 | 0.012 | 0.132 | 0.151 | Aqua Regia Digestion |
Nb, Niobium (ppm) | 1.11 | 0.29 | 0.94 | 1.29 | Aqua Regia Digestion |
Nd, Neodymium (ppm) | 12.3 | 2.9 | 9.3 | 15.2 | Aqua Regia Digestion |
Ni, Nickel (ppm) | 16.6 | 0.93 | 15.7 | 17.4 | Aqua Regia Digestion |
P, Phosphorus (wt.%) | 0.066 | 0.002 | 0.063 | 0.068 | Aqua Regia Digestion |
Pb, Lead (ppm) | 83 | 4.4 | 80 | 87 | Aqua Regia Digestion |
Rb, Rubidium (ppm) | 90 | 8.5 | 85 | 94 | Aqua Regia Digestion |
Re, Rhenium (ppm) | 0.11 | 0.006 | 0.10 | 0.11 | Aqua Regia Digestion |
S, Sulphur (wt.%) | 1.65 | 0.078 | 1.60 | 1.70 | Aqua Regia Digestion |
Sb, Antimony (ppm) | 1.70 | 0.39 | 1.52 | 1.88 | Aqua Regia Digestion |
Sc, Scandium (ppm) | 7.21 | 0.409 | 6.81 | 7.61 | Aqua Regia Digestion |
Se, Selenium (ppm) | 13.5 | 1.33 | 12.5 | 14.5 | Aqua Regia Digestion |
Sm, Samarium (ppm) | 3.01 | 0.48 | 2.56 | 3.46 | Aqua Regia Digestion |
Sn, Tin (ppm) | 3.24 | 0.294 | 3.06 | 3.42 | Aqua Regia Digestion |
Sr, Strontium (ppm) | 75 | 2.4 | 73 | 78 | Aqua Regia Digestion |
Ta, Tantalum (ppm) | < 0.010 | IND | IND | IND | Aqua Regia Digestion |
Tb, Terbium (ppm) | 0.41 | 0.07 | 0.35 | 0.46 | Aqua Regia Digestion |
Te, Tellurium (ppm) | 1.74 | 0.18 | 1.61 | 1.87 | Aqua Regia Digestion |
Th, Thorium (ppm) | 4.91 | 0.81 | 4.40 | 5.42 | Aqua Regia Digestion |
Ti, Titanium (wt.%) | 0.237 | 0.011 | 0.227 | 0.247 | Aqua Regia Digestion |
Tl, Thallium (ppm) | 0.70 | 0.030 | 0.67 | 0.74 | Aqua Regia Digestion |
Tm, Thulium (ppm) | 0.12 | 0.010 | 0.10 | 0.13 | Aqua Regia Digestion |
U, Uranium (ppm) | 2.86 | 0.37 | 2.52 | 3.20 | Aqua Regia Digestion |
V, Vanadium (ppm) | 59 | 3.5 | 57 | 61 | Aqua Regia Digestion |
W, Tungsten (ppm) | 6.57 | 0.87 | 5.88 | 7.26 | Aqua Regia Digestion |
Y, Yttrium (ppm) | 9.58 | 0.791 | 9.08 | 10.07 | Aqua Regia Digestion |
Yb, Ytterbium (ppm) | 0.70 | 0.048 | 0.64 | 0.77 | Aqua Regia Digestion |
Zn, Zinc (ppm) | 410 | 16 | 399 | 421 | Aqua Regia Digestion |
Zr, Zirconium (ppm) | 9.97 | 1.23 | 9.23 | 10.72 | Aqua Regia Digestion |