Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 319 is a replacement of the OREAS 139. It was prepared from a blend of barren and ore grade zinc-lead-silver materials sourced from Mount Isa (Glencore) George Fisher mine, Mt Isa, NW Queensland, Australia. The mineralisation style is sediment-hosted ‘SEDEX’ Zn-Pb-Ag within the Urquart Shale Formation of the Mount Isa Group. This Group is a 5 km thick sequence, composed predominantly of Mesoproterozoic carbonate siltstones, mudstones and shales, metamorphosed to greenschist facies. The Zn-Pb-Ag orebodies are concordant with carbonaceous dolomitic sediments and comprised of sphalerite and galena with pyrite and pyrrhotite. The following methods were undertaken:
Analyte | Certified Value | 1SD | Expanded Uncertainty Low | Expanded Uncertainty High | Method |
---|---|---|---|---|---|
Zn, Zinc (wt.%) | 13.13 | 0.353 | 12.90 | 13.37 | 4-Acid Digestion |
Pb, Lead (wt.%) | 9.88 | 0.191 | 9.69 | 10.07 | 4-Acid Digestion |
Ag, Silver (ppm) | 149 | 4 | 145 | 153 | 4-Acid Digestion |
Al, Aluminium (wt.%) | 2.51 | 0.092 | 2.44 | 2.57 | 4-Acid Digestion |
As, Arsenic (ppm) | 171 | 9 | 165 | 178 | 4-Acid Digestion |
Be, Beryllium (ppm) | 1.61 | 0.102 | 1.54 | 1.67 | 4-Acid Digestion |
Bi, Bismuth (ppm) | 0.32 | 0.03 | 0.30 | 0.35 | 4-Acid Digestion |
Ca, Calcium (wt.%) | 3.02 | 0.082 | 2.95 | 3.09 | 4-Acid Digestion |
Cd, Cadmium (ppm) | 399 | 27 | 382 | 415 | 4-Acid Digestion |
Ce, Cerium (ppm) | 27.7 | 3.8 | 25.4 | 30.1 | 4-Acid Digestion |
Co, Cobalt (ppm) | 77 | 3.8 | 74 | 80 | 4-Acid Digestion |
Cr, Chromium (ppm) | 101 | 8 | 96 | 106 | 4-Acid Digestion |
Cs, Caesium (ppm) | 1.77 | 0.122 | 1.66 | 1.87 | 4-Acid Digestion |
Cu, Copper (wt.%) | 0.082 | 0.003 | 0.080 | 0.084 | 4-Acid Digestion |
Dy, Dysprosium (ppm) | 1.49 | 0.099 | 1.36 | 1.63 | 4-Acid Digestion |
Er, Erbium (ppm) | 0.81 | 0.060 | 0.72 | 0.91 | 4-Acid Digestion |
Eu, Europium (ppm) | 0.51 | 0.031 | 0.46 | 0.56 | 4-Acid Digestion |
Fe, Iron (wt.%) | 9.35 | 0.336 | 9.11 | 9.60 | 4-Acid Digestion |
Ga, Gallium (ppm) | 7.61 | 0.689 | 7.20 | 8.02 | 4-Acid Digestion |
Gd, Gadolinium (ppm) | 2.13 | 0.193 | 1.90 | 2.37 | 4-Acid Digestion |
Ge, Germanium (ppm) | 0.13 | 0.03 | 0.09 | 0.17 | 4-Acid Digestion |
Hf, Hafnium (ppm) | 1.15 | 0.076 | 1.06 | 1.24 | 4-Acid Digestion |
Ho, Holmium (ppm) | 0.29 | 0.011 | 0.27 | 0.30 | 4-Acid Digestion |
In, Indium (ppm) | 0.72 | 0.049 | 0.67 | 0.77 | 4-Acid Digestion |
K, Potassium (wt.%) | 1.11 | 0.036 | 1.09 | 1.14 | 4-Acid Digestion |
La, Lanthanum (ppm) | 13.1 | 2.1 | 11.8 | 14.5 | 4-Acid Digestion |
Li, Lithium (ppm) | 16.5 | 1.59 | 15.6 | 17.3 | 4-Acid Digestion |
Lu, Lutetium (ppm) | 0.12 | 0.02 | 0.09 | 0.15 | 4-Acid Digestion |
Mg, Magnesium (wt.%) | 1.54 | 0.049 | 1.50 | 1.58 | 4-Acid Digestion |
Mn, Manganese (wt.%) | 0.255 | 0.008 | 0.246 | 0.264 | 4-Acid Digestion |
Mo, Molybdenum (ppm) | 6.04 | 0.368 | 5.71 | 6.37 | 4-Acid Digestion |
Na, Sodium (wt.%) | 0.045 | 0.005 | 0.043 | 0.047 | 4-Acid Digestion |
Nb, Niobium (ppm) | 1.89 | 0.41 | 1.67 | 2.11 | 4-Acid Digestion |
Nd, Neodymium (ppm) | 13.4 | 0.80 | 12.4 | 14.4 | 4-Acid Digestion |
Ni, Nickel (ppm) | 38.4 | 1.42 | 36.9 | 39.9 | 4-Acid Digestion |
P, Phosphorus (wt.%) | 0.028 | 0.001 | 0.027 | 0.029 | 4-Acid Digestion |
Pr, Praseodymium (ppm) | 3.30 | 0.53 | 2.76 | 3.84 | 4-Acid Digestion |
Rb, Rubidium (ppm) | 54 | 4.3 | 51 | 57 | 4-Acid Digestion |
Re, Rhenium (ppm) | < 0.002 | IND | IND | IND | 4-Acid Digestion |
S, Sulphur (wt.%) | 14.73 | 1.033 | 13.78 | 15.67 | 4-Acid Digestion |
Sb, Antimony (ppm) | 80 | 6.1 | 76 | 84 | 4-Acid Digestion |
Sc, Scandium (ppm) | 4.12 | 0.46 | 3.82 | 4.41 | 4-Acid Digestion |
Sm, Samarium (ppm) | 2.49 | 0.145 | 2.37 | 2.62 | 4-Acid Digestion |
Sn, Tin (ppm) | 1.51 | 0.15 | 1.41 | 1.62 | 4-Acid Digestion |
Sr, Strontium (ppm) | 27.5 | 2.67 | 25.9 | 29.1 | 4-Acid Digestion |
Ta, Tantalum (ppm) | 0.15 | 0.04 | 0.13 | 0.18 | 4-Acid Digestion |
Tb, Terbium (ppm) | 0.26 | 0.03 | 0.23 | 0.30 | 4-Acid Digestion |
Te, Tellurium (ppm) | 0.10 | 0.02 | 0.07 | 0.13 | 4-Acid Digestion |
Th, Thorium (ppm) | 5.04 | 0.406 | 4.68 | 5.40 | 4-Acid Digestion |
Ti, Titanium (wt.%) | 0.078 | 0.009 | 0.074 | 0.082 | 4-Acid Digestion |
Tl, Thallium (ppm) | 61 | 5.2 | 58 | 64 | 4-Acid Digestion |
Tm, Thulium (ppm) | 0.12 | 0.03 | 0.09 | 0.16 | 4-Acid Digestion |
U, Uranium (ppm) | 2.10 | 0.174 | 1.98 | 2.23 | 4-Acid Digestion |
V, Vanadium (ppm) | 59 | 2.0 | 57 | 61 | 4-Acid Digestion |
W, Tungsten (ppm) | 0.86 | 0.084 | 0.77 | 0.95 | 4-Acid Digestion |
Y, Yttrium (ppm) | 8.74 | 0.91 | 8.21 | 9.27 | 4-Acid Digestion |
Yb, Ytterbium (ppm) | 0.85 | 0.09 | 0.73 | 0.96 | 4-Acid Digestion |
Zr, Zirconium (ppm) | 38.9 | 2.64 | 36.8 | 40.9 | 4-Acid Digestion |
Ag, Silver (ppm) | 148 | 3 | 146 | 150 | Aqua Regia Digestion |
Al, Aluminium (wt.%) | 0.474 | 0.047 | 0.449 | 0.500 | Aqua Regia Digestion |
As, Arsenic (ppm) | 174 | 11 | 167 | 181 | Aqua Regia Digestion |
Au, Gold (ppm) | < 0.020 | IND | IND | IND | Aqua Regia Digestion |
B, Boron (ppm) | < 10.0 | IND | IND | IND | Aqua Regia Digestion |
Be, Beryllium (ppm) | 0.46 | 0.06 | 0.41 | 0.51 | Aqua Regia Digestion |
Bi, Bismuth (ppm) | 0.25 | 0.03 | 0.23 | 0.28 | Aqua Regia Digestion |
Ca, Calcium (wt.%) | 2.90 | 0.109 | 2.83 | 2.98 | Aqua Regia Digestion |
Cd, Cadmium (ppm) | 377 | 27 | 359 | 394 | Aqua Regia Digestion |
Ce, Cerium (ppm) | 15.0 | 3.5 | 13.0 | 16.9 | Aqua Regia Digestion |
Co, Cobalt (ppm) | 74 | 6.2 | 70 | 78 | Aqua Regia Digestion |
Cr, Chromium (ppm) | 30.4 | 3.1 | 28.2 | 32.5 | Aqua Regia Digestion |
Cs, Caesium (ppm) | 0.71 | 0.057 | 0.67 | 0.76 | Aqua Regia Digestion |
Cu, Copper (wt.%) | 0.084 | 0.004 | 0.081 | 0.086 | Aqua Regia Digestion |
Fe, Iron (wt.%) | 9.08 | 0.525 | 8.76 | 9.39 | Aqua Regia Digestion |
Ga, Gallium (ppm) | 2.08 | 0.24 | 1.93 | 2.23 | Aqua Regia Digestion |
Ge, Germanium (ppm) | 0.20 | 0.06 | 0.14 | 0.25 | Aqua Regia Digestion |
Hf, Hafnium (ppm) | 0.26 | 0.04 | 0.24 | 0.29 | Aqua Regia Digestion |
Hg, Mercury (ppm) | 1.59 | 0.142 | 1.49 | 1.69 | Aqua Regia Digestion |
In, Indium (ppm) | 0.68 | 0.068 | 0.64 | 0.72 | Aqua Regia Digestion |
K, Potassium (wt.%) | 0.167 | 0.017 | 0.155 | 0.179 | Aqua Regia Digestion |
La, Lanthanum (ppm) | 6.04 | 1.09 | 5.30 | 6.78 | Aqua Regia Digestion |
Li, Lithium (ppm) | 6.61 | 0.79 | 6.17 | 7.05 | Aqua Regia Digestion |
Mg, Magnesium (wt.%) | 1.44 | 0.058 | 1.40 | 1.48 | Aqua Regia Digestion |
Mn, Manganese (wt.%) | 0.249 | 0.015 | 0.241 | 0.258 | Aqua Regia Digestion |
Mo, Molybdenum (ppm) | 5.83 | 0.62 | 5.45 | 6.22 | Aqua Regia Digestion |
Nb, Niobium (ppm) | 0.055 | 0.010 | 0.044 | 0.066 | Aqua Regia Digestion |
Ni, Nickel (ppm) | 35.5 | 3.02 | 33.3 | 37.6 | Aqua Regia Digestion |
P, Phosphorus (wt.%) | 0.026 | 0.002 | 0.025 | 0.027 | Aqua Regia Digestion |
Pb, Lead (wt.%) | 9.73 | 0.220 | 9.56 | 9.90 | Aqua Regia Digestion |
Rb, Rubidium (ppm) | 9.21 | 0.765 | 8.55 | 9.88 | Aqua Regia Digestion |
S, Sulphur (wt.%) | 13.43 | 1.170 | 12.27 | 14.58 | Aqua Regia Digestion |
Sb, Antimony (ppm) | 61 | 10 | 56 | 66 | Aqua Regia Digestion |
Sc, Scandium (ppm) | 1.22 | 0.16 | 1.11 | 1.33 | Aqua Regia Digestion |
Sn, Tin (ppm) | 0.64 | 0.045 | 0.58 | 0.70 | Aqua Regia Digestion |
Sr, Strontium (ppm) | 16.4 | 2.7 | 14.9 | 17.8 | Aqua Regia Digestion |
Ta, Tantalum (ppm) | < 0.010 | IND | IND | IND | Aqua Regia Digestion |
Tb, Terbium (ppm) | 0.18 | 0.016 | 0.15 | 0.20 | Aqua Regia Digestion |
Te, Tellurium (ppm) | 0.093 | 0.022 | 0.066 | 0.119 | Aqua Regia Digestion |
Th, Thorium (ppm) | 3.10 | 0.38 | 2.86 | 3.34 | Aqua Regia Digestion |
Ti, Titanium (wt.%) | 0.005 | 0.001 | 0.004 | 0.006 | Aqua Regia Digestion |
Tl, Thallium (ppm) | 45.0 | 4.6 | 42.1 | 47.9 | Aqua Regia Digestion |
U, Uranium (ppm) | 1.13 | 0.13 | 1.06 | 1.21 | Aqua Regia Digestion |
V, Vanadium (ppm) | 9.56 | 0.929 | 8.76 | 10.35 | Aqua Regia Digestion |
W, Tungsten (ppm) | 0.23 | 0.016 | 0.21 | 0.25 | Aqua Regia Digestion |
Y, Yttrium (ppm) | 4.13 | 0.310 | 3.86 | 4.40 | Aqua Regia Digestion |
Yb, Ytterbium (ppm) | 0.38 | 0.04 | 0.34 | 0.43 | Aqua Regia Digestion |
Zn, Zinc (wt.%) | 13.02 | 0.431 | 12.71 | 13.34 | Aqua Regia Digestion |
Zr, Zirconium (ppm) | 8.24 | 0.535 | 7.74 | 8.74 | Aqua Regia Digestion |
Al2O3, Aluminium(III) oxide (wt.%) | 4.84 | 0.113 | 4.73 | 4.95 | Borate Fusion XRF |
BaO, Barium oxide (wt.%) | 0.184 | 0.011 | 0.170 | 0.197 | Borate Fusion XRF |
Bi, Bismuth (ppm) | < 100 | IND | IND | IND | Borate Fusion XRF |
CaO, Calcium oxide (wt.%) | 4.37 | 0.106 | 4.27 | 4.47 | Borate Fusion XRF |
Cr2O3, Chromium(III) oxide (ppm) | 214 | 65 | 156 | 272 | Borate Fusion XRF |
Cu, Copper (wt.%) | 0.081 | 0.007 | 0.075 | 0.088 | Borate Fusion XRF |
Fe2O3, Iron(III) oxide (wt.%) | 13.75 | 0.157 | 13.52 | 13.97 | Borate Fusion XRF |
HfO2, Hafnium dioxide (ppm) | < 100 | IND | IND | IND | Borate Fusion XRF |
K2O, Potassium oxide (wt.%) | 1.34 | 0.039 | 1.31 | 1.38 | Borate Fusion XRF |
MgO, Magnesium oxide (wt.%) | 2.63 | 0.140 | 2.53 | 2.74 | Borate Fusion XRF |
MnO, Manganese oxide (wt.%) | 0.344 | 0.021 | 0.328 | 0.360 | Borate Fusion XRF |
P2O5, Phosphorus(V) oxide (wt.%) | 0.064 | 0.006 | 0.056 | 0.072 | Borate Fusion XRF |
Pb, Lead (wt.%) | 9.61 | 0.155 | 9.39 | 9.83 | Borate Fusion XRF |
S, Sulphur (wt.%) | 14.29 | 0.339 | 13.80 | 14.78 | Borate Fusion XRF |
SiO2, Silicon dioxide (wt.%) | 29.68 | 0.510 | 29.21 | 30.15 | Borate Fusion XRF |
TiO2, Titanium dioxide (wt.%) | 0.200 | 0.020 | 0.180 | 0.220 | Borate Fusion XRF |
V, Vanadium (ppm) | 88 | 15 | 68 | 109 | Borate Fusion XRF |
Zn, Zinc (wt.%) | 13.02 | 0.391 | 12.66 | 13.38 | Borate Fusion XRF |
LOI1000, Loss On Ignition @1000 °C (wt.%) | 12.73 | 0.788 | 12.15 | 13.31 | Thermogravimetry |
Al, Aluminium (wt.%) | 2.55 | 0.044 | 2.51 | 2.59 | Borate / Peroxide Fusion ICP |
As, Arsenic (ppm) | 174 | 7 | 168 | 181 | Borate / Peroxide Fusion ICP |
Ba, Barium (wt.%) | 0.156 | 0.005 | 0.151 | 0.161 | Borate / Peroxide Fusion ICP |
Be, Beryllium (ppm) | 1.81 | 0.29 | 1.21 | 2.40 | Borate / Peroxide Fusion ICP |
Bi, Bismuth (ppm) | 0.38 | 0.05 | 0.24 | 0.52 | Borate / Peroxide Fusion ICP |
Ca, Calcium (wt.%) | 3.03 | 0.103 | 2.91 | 3.14 | Borate / Peroxide Fusion ICP |
Cd, Cadmium (ppm) | 403 | 12 | 388 | 418 | Borate / Peroxide Fusion ICP |
Ce, Cerium (ppm) | 32.7 | 1.06 | 30.9 | 34.4 | Borate / Peroxide Fusion ICP |
Co, Cobalt (ppm) | 78 | 4.8 | 74 | 82 | Borate / Peroxide Fusion ICP |
Cr, Chromium (ppm) | 122 | 18 | 111 | 132 | Borate / Peroxide Fusion ICP |
Cs, Caesium (ppm) | 1.87 | 0.083 | 1.76 | 1.97 | Borate / Peroxide Fusion ICP |
Cu, Copper (wt.%) | 0.082 | 0.002 | 0.080 | 0.085 | Borate / Peroxide Fusion ICP |
Dy, Dysprosium (ppm) | 1.92 | 0.127 | 1.78 | 2.07 | Borate / Peroxide Fusion ICP |
Er, Erbium (ppm) | 1.11 | 0.063 | 0.96 | 1.25 | Borate / Peroxide Fusion ICP |
Eu, Europium (ppm) | 0.58 | 0.030 | 0.51 | 0.64 | Borate / Peroxide Fusion ICP |
Fe, Iron (wt.%) | 9.51 | 0.218 | 9.33 | 9.68 | Borate / Peroxide Fusion ICP |
Ga, Gallium (ppm) | 8.16 | 0.547 | 7.39 | 8.94 | Borate / Peroxide Fusion ICP |
Gd, Gadolinium (ppm) | 2.41 | 0.129 | 2.18 | 2.65 | Borate / Peroxide Fusion ICP |
Ge, Germanium (ppm) | 17.6 | 0.73 | 16.4 | 18.8 | Borate / Peroxide Fusion ICP |
Hf, Hafnium (ppm) | 1.67 | 0.24 | 1.28 | 2.06 | Borate / Peroxide Fusion ICP |
Ho, Holmium (ppm) | 0.39 | 0.017 | 0.34 | 0.44 | Borate / Peroxide Fusion ICP |
In, Indium (ppm) | 0.74 | 0.069 | 0.66 | 0.82 | Borate / Peroxide Fusion ICP |
K, Potassium (wt.%) | 1.15 | 0.069 | 1.12 | 1.19 | Borate / Peroxide Fusion ICP |
La, Lanthanum (ppm) | 17.3 | 0.66 | 16.5 | 18.2 | Borate / Peroxide Fusion ICP |
Li, Lithium (ppm) | 17.0 | 2.1 | 14.2 | 19.8 | Borate / Peroxide Fusion ICP |
Lu, Lutetium (ppm) | 0.16 | 0.02 | 0.14 | 0.18 | Borate / Peroxide Fusion ICP |
Mg, Magnesium (wt.%) | 1.58 | 0.044 | 1.54 | 1.62 | Borate / Peroxide Fusion ICP |
Mn, Manganese (wt.%) | 0.261 | 0.007 | 0.255 | 0.268 | Borate / Peroxide Fusion ICP |
Mo, Molybdenum (ppm) | 6.73 | 1.34 | 5.30 | 8.16 | Borate / Peroxide Fusion ICP |
Nb, Niobium (ppm) | 4.41 | 0.87 | 3.66 | 5.15 | Borate / Peroxide Fusion ICP |
Nd, Neodymium (ppm) | 14.7 | 0.41 | 14.0 | 15.3 | Borate / Peroxide Fusion ICP |
Ni, Nickel (ppm) | 44.0 | 9.8 | 34.4 | 53.5 | Borate / Peroxide Fusion ICP |
P, Phosphorus (wt.%) | 0.030 | 0.001 | 0.027 | 0.033 | Borate / Peroxide Fusion ICP |
Pb, Lead (wt.%) | 9.62 | 0.306 | 9.32 | 9.91 | Borate / Peroxide Fusion ICP |
Pr, Praseodymium (ppm) | 3.91 | 0.167 | 3.58 | 4.24 | Borate / Peroxide Fusion ICP |
Rb, Rubidium (ppm) | 55 | 2.5 | 52 | 57 | Borate / Peroxide Fusion ICP |
S, Sulphur (wt.%) | 14.38 | 0.279 | 13.97 | 14.79 | Borate / Peroxide Fusion ICP |
Sb, Antimony (ppm) | 87 | 2.9 | 84 | 90 | Borate / Peroxide Fusion ICP |
Sc, Scandium (ppm) | 5.20 | 1.19 | 3.53 | 6.86 | Borate / Peroxide Fusion ICP |
Si, Silicon (wt.%) | 14.27 | 0.358 | 13.91 | 14.63 | Borate / Peroxide Fusion ICP |
Sm, Samarium (ppm) | 2.81 | 0.171 | 2.59 | 3.03 | Borate / Peroxide Fusion ICP |
Sr, Strontium (ppm) | 32.4 | 2.35 | 29.6 | 35.1 | Borate / Peroxide Fusion ICP |
Ta, Tantalum (ppm) | 0.40 | 0.10 | 0.27 | 0.54 | Borate / Peroxide Fusion ICP |
Tb, Terbium (ppm) | 0.33 | 0.026 | 0.29 | 0.36 | Borate / Peroxide Fusion ICP |
Th, Thorium (ppm) | 5.38 | 0.104 | 5.19 | 5.56 | Borate / Peroxide Fusion ICP |
Ti, Titanium (wt.%) | 0.119 | 0.004 | 0.113 | 0.124 | Borate / Peroxide Fusion ICP |
Tl, Thallium (ppm) | 60 | 2.3 | 57 | 64 | Borate / Peroxide Fusion ICP |
Tm, Thulium (ppm) | 0.16 | 0.009 | 0.14 | 0.17 | Borate / Peroxide Fusion ICP |
U, Uranium (ppm) | 2.18 | 0.111 | 2.07 | 2.29 | Borate / Peroxide Fusion ICP |
V, Vanadium (ppm) | 62 | 2.2 | 59 | 64 | Borate / Peroxide Fusion ICP |
Y, Yttrium (ppm) | 10.7 | 0.51 | 10.3 | 11.2 | Borate / Peroxide Fusion ICP |
Yb, Ytterbium (ppm) | 1.08 | 0.11 | 0.94 | 1.21 | Borate / Peroxide Fusion ICP |
Zn, Zinc (wt.%) | 12.84 | 0.194 | 12.63 | 13.04 | Borate / Peroxide Fusion ICP |
Zr, Zirconium (ppm) | 55 | 3.3 | 50 | 61 | Borate / Peroxide Fusion ICP |
C, Carbon (wt.%) | 2.31 | 0.058 | 2.28 | 2.35 | Infrared Combustion |
S, Sulphur (wt.%) | 14.48 | 0.312 | 14.26 | 14.70 | Infrared Combustion |