Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 23b has been prepared from barren I-Type hornblende-bearing granodiorite sourced from the Upper Devonian Lysterfield granodiorite complex located in south-eastern Melbourne, Australia. It is characterised by very low background gold of less than 3 parts per billion.
Analyte | Certified Value | 1SD | 95% Confidence Limits Low | 95% Confidence Limits High | Method |
---|---|---|---|---|---|
Au, Gold (ppb) | < 3 | IND | IND | IND | Pb Fire Assay |
Ag, Silver (ppm) | 0.065 | 0.014 | 0.053 | 0.078 | 4-Acid Digestion |
Cu, Copper (ppm) | 46.7 | 1.43 | 45.7 | 47.7 | 4-Acid Digestion |
Al, Aluminium (wt.%) | 7.86 | 0.380 | 7.60 | 8.13 | 4-Acid Digestion |
As, Arsenic (ppm) | 25.1 | 1.40 | 24.2 | 26.0 | 4-Acid Digestion |
Ba, Barium (ppm) | 1100 | 31 | 1077 | 1123 | 4-Acid Digestion |
Be, Beryllium (ppm) | 3.62 | 0.263 | 3.44 | 3.80 | 4-Acid Digestion |
Bi, Bismuth (ppm) | 0.15 | 0.03 | 0.14 | 0.16 | 4-Acid Digestion |
Ca, Calcium (wt.%) | 2.58 | 0.096 | 2.51 | 2.64 | 4-Acid Digestion |
Cd, Cadmium (ppm) | 0.087 | 0.015 | 0.080 | 0.095 | 4-Acid Digestion |
Ce, Cerium (ppm) | 80 | 7.2 | 74 | 86 | 4-Acid Digestion |
Co, Cobalt (ppm) | 14.0 | 0.84 | 13.4 | 14.5 | 4-Acid Digestion |
Cr, Chromium (ppm) | 65 | 8 | 60 | 71 | 4-Acid Digestion |
Cs, Caesium (ppm) | 15.7 | 0.83 | 15.1 | 16.3 | 4-Acid Digestion |
Fe, Iron (wt.%) | 3.72 | 0.058 | 3.69 | 3.75 | 4-Acid Digestion |
Ga, Gallium (ppm) | 19.3 | 0.42 | 19.1 | 19.6 | 4-Acid Digestion |
Hf, Hafnium (ppm) | 3.12 | 0.37 | 2.88 | 3.36 | 4-Acid Digestion |
In, Indium (ppm) | 0.053 | 0.005 | 0.050 | 0.056 | 4-Acid Digestion |
K, Potassium (wt.%) | 3.37 | 0.172 | 3.25 | 3.49 | 4-Acid Digestion |
La, Lanthanum (ppm) | 38.1 | 3.9 | 35.1 | 41.2 | 4-Acid Digestion |
Li, Lithium (ppm) | 37.3 | 1.42 | 36.1 | 38.4 | 4-Acid Digestion |
Mg, Magnesium (wt.%) | 1.39 | 0.052 | 1.36 | 1.43 | 4-Acid Digestion |
Mn, Manganese (wt.%) | 0.055 | 0.002 | 0.054 | 0.056 | 4-Acid Digestion |
Mo, Molybdenum (ppm) | 3.20 | 0.201 | 3.11 | 3.29 | 4-Acid Digestion |
Na, Sodium (wt.%) | 2.03 | 0.081 | 1.98 | 2.09 | 4-Acid Digestion |
Nb, Niobium (ppm) | 21.6 | 1.19 | 20.8 | 22.4 | 4-Acid Digestion |
Ni, Nickel (ppm) | 40.0 | 1.88 | 38.6 | 41.3 | 4-Acid Digestion |
P, Phosphorus (wt.%) | 0.104 | 0.004 | 0.102 | 0.107 | 4-Acid Digestion |
Pb, Lead (ppm) | 22.6 | 1.29 | 21.7 | 23.5 | 4-Acid Digestion |
Rb, Rubidium (ppm) | 226 | 15 | 214 | 237 | 4-Acid Digestion |
S, Sulphur (wt.%) | 0.068 | 0.005 | 0.065 | 0.072 | 4-Acid Digestion |
Sb, Antimony (ppm) | 0.59 | 0.027 | 0.58 | 0.60 | 4-Acid Digestion |
Sc, Scandium (ppm) | 12.8 | 1.17 | 12.0 | 13.7 | 4-Acid Digestion |
Sn, Tin (ppm) | 4.06 | 0.105 | 4.01 | 4.11 | 4-Acid Digestion |
Sr, Strontium (ppm) | 301 | 9 | 294 | 308 | 4-Acid Digestion |
Ta, Tantalum (ppm) | 1.64 | 0.084 | 1.58 | 1.70 | 4-Acid Digestion |
Th, Thorium (ppm) | 21.7 | 1.24 | 20.8 | 22.7 | 4-Acid Digestion |
Ti, Titanium (wt.%) | 0.508 | 0.014 | 0.498 | 0.517 | 4-Acid Digestion |
Tl, Thallium (ppm) | 1.18 | 0.036 | 1.16 | 1.19 | 4-Acid Digestion |
U, Uranium (ppm) | 6.28 | 0.518 | 5.93 | 6.63 | 4-Acid Digestion |
V, Vanadium (ppm) | 112 | 3 | 111 | 114 | 4-Acid Digestion |
W, Tungsten (ppm) | 3.37 | 0.34 | 3.23 | 3.51 | 4-Acid Digestion |
Y, Yttrium (ppm) | 27.4 | 1.35 | 26.5 | 28.3 | 4-Acid Digestion |
Zn, Zinc (ppm) | 70 | 4.7 | 67 | 73 | 4-Acid Digestion |
Zr, Zirconium (ppm) | 95 | 10 | 89 | 102 | 4-Acid Digestion |