OREAS 199

OREAS 199 has been prepared from a blend of scandium mineralised laterite sourced from the Nyngan (Gilgai and Honeybugle) deposits, located about 450kms northwest of Sydney (Australia), supplemented with a small quantity of high grade, Ni-Co laterite ore (sourced from the Bulong deposit located 35km east of Kalgoorlie in Western Australia).

The Nyngan scandium ore is sourced from the upper lateritic zone consisting haematitic and limonitic clays from humid weathering of mafic/ultramafic rocks that intruded Cambrian-Ordovician metasediments.

The Bulong ore formed from prolonged lateritic weathering of Archaean (Yilgarn Craton) olivine rich ultramafic/komatiite flows. Grades of >1% Ni were generated in zones of more intense weathering associated with faulting and bedrock alteration. The Ni-Co nontronitic (Fe-Ni smectite clays) siliceous ores at Bulong formed with a goethitic overprint in the upper laterite profile.

Analyte Certified Value 1SD 95% Confidence Low 95% Confidence High Method
Sc, Scandium (ppm) 591 11 584 597 Borate / Peroxide Fusion ICP
Co, Cobalt (ppm) 557 18 551 564 Borate / Peroxide Fusion ICP
Ni, Nickel (ppm) 995 51 968 1023 Borate / Peroxide Fusion ICP
Al2O3, Aluminium(III) oxide (wt.%) 17.47 0.105 17.41 17.52 Borate Fusion XRF
CaO, Calcium oxide (wt.%) 0.208 0.004 0.206 0.209 Borate Fusion XRF
Co, Cobalt (ppm) 554 12 547 562 Borate Fusion XRF
Cr2O3, Chromium(III) oxide (wt.%) 0.686 0.009 0.681 0.691 Borate Fusion XRF
Cu, Copper (ppm) 189 14 180 197 Borate Fusion XRF
Fe2O3, Iron(III) oxide (wt.%) 41.01 0.238 40.88 41.13 Borate Fusion XRF
K2O, Potassium oxide (wt.%) 0.069 0.008 0.065 0.073 Borate Fusion XRF
MgO, Magnesium oxide (wt.%) 0.742 0.031 0.723 0.761 Borate Fusion XRF
MnO, Manganese oxide (wt.%) 1.94 0.026 1.93 1.96 Borate Fusion XRF
Na2O, Sodium oxide (wt.%) 0.339 0.015 0.329 0.349 Borate Fusion XRF
Ni, Nickel (ppm) 995 35 970 1021 Borate Fusion XRF
P2O5, Phosphorus(V) oxide (wt.%) 0.065 0.003 0.063 0.067 Borate Fusion XRF
SiO2, Silicon dioxide (wt.%) 24.93 0.131 24.87 24.99 Borate Fusion XRF
SO3, Sulphur trioxide (wt.%) 0.080 0.008 0.070 0.090 Borate Fusion XRF
TiO2, Titanium dioxide (wt.%) 0.842 0.016 0.833 0.851 Borate Fusion XRF
Zn, Zinc (ppm) 198 8 192 204 Borate Fusion XRF
LOI1000, Loss On Ignition @1000°C (wt.%) 10.99 0.242 10.85 11.13 Thermogravimetry
Al2O3, Aluminium(III) oxide (wt.%) 17.26 0.413 17.03 17.49 Borate / Peroxide Fusion ICP
Ba, Barium (ppm) 1442 37 1421 1463 Borate / Peroxide Fusion ICP
Be, Beryllium (ppm) 1.69 0.33 1.53 1.85 Borate / Peroxide Fusion ICP
CaO, Calcium oxide (wt.%) 0.212 0.044 0.186 0.239 Borate / Peroxide Fusion ICP
Ce, Cerium (ppm) 191 20 174 209 Borate / Peroxide Fusion ICP
Cr2O3, Chromium(III) oxide (wt.%) 0.682 0.024 0.669 0.696 Borate / Peroxide Fusion ICP
Cs, Caesium (ppm) 0.19 0.03 0.18 0.21 Borate / Peroxide Fusion ICP
Cu, Copper (ppm) 191 12 182 201 Borate / Peroxide Fusion ICP
Dy, Dysprosium (ppm) 2.69 0.148 2.55 2.83 Borate / Peroxide Fusion ICP
Er, Erbium (ppm) 1.46 0.099 1.36 1.56 Borate / Peroxide Fusion ICP
Fe2O3, Iron(III) oxide (wt.%) 40.69 1.016 40.24 41.14 Borate / Peroxide Fusion ICP
Ga, Gallium (ppm) 19.0 1.26 17.8 20.3 Borate / Peroxide Fusion ICP
Gd, Gadolinium (ppm) 3.09 0.306 2.74 3.44 Borate / Peroxide Fusion ICP
Hf, Hafnium (ppm) 1.14 0.12 1.01 1.27 Borate / Peroxide Fusion ICP
Ho, Holmium (ppm) 0.52 0.038 0.49 0.55 Borate / Peroxide Fusion ICP
La, Lanthanum (ppm) 8.43 0.99 7.46 9.41 Borate / Peroxide Fusion ICP
Li, Lithium (ppm) 21.2 1.34 20.1 22.3 Borate / Peroxide Fusion ICP
MgO, Magnesium oxide (wt.%) 0.730 0.020 0.720 0.740 Borate / Peroxide Fusion ICP
MnO, Manganese oxide (wt.%) 1.91 0.056 1.88 1.93 Borate / Peroxide Fusion ICP
Mo, Molybdenum (ppm) < 5.00 IND IND IND Borate / Peroxide Fusion ICP
Na2O, Sodium oxide (wt.%) 0.323 0.030 0.289 0.357 Borate / Peroxide Fusion ICP
Nb, Niobium (ppm) 2.19 0.27 1.94 2.44 Borate / Peroxide Fusion ICP
Nd, Neodymium (ppm) 12.6 0.91 11.9 13.3 Borate / Peroxide Fusion ICP
P2O5, Phosphorus(V) oxide (wt.%) 0.063 0.011 0.056 0.069 Borate / Peroxide Fusion ICP
Pr, Praseodymium (ppm) 3.04 0.152 2.88 3.20 Borate / Peroxide Fusion ICP
Rb, Rubidium (ppm) 2.03 0.113 1.96 2.10 Borate / Peroxide Fusion ICP
Sb, Antimony (ppm) 2.77 0.59 2.17 3.36 Borate / Peroxide Fusion ICP
SiO2, Silicon dioxide (wt.%) 24.74 0.804 24.48 25.00 Borate / Peroxide Fusion ICP
Sm, Samarium (ppm) 3.73 0.230 3.57 3.89 Borate / Peroxide Fusion ICP
Sr, Strontium (ppm) 87 5.2 84 90 Borate / Peroxide Fusion ICP
Tb, Terbium (ppm) 0.50 0.016 0.48 0.51 Borate / Peroxide Fusion ICP
Th, Thorium (ppm) 1.88 0.110 1.81 1.95 Borate / Peroxide Fusion ICP
TiO2, Titanium dioxide (wt.%) 0.826 0.024 0.813 0.838 Borate / Peroxide Fusion ICP
Tl, Thallium (ppm) 0.96 0.10 0.89 1.03 Borate / Peroxide Fusion ICP
Tm, Thulium (ppm) 0.21 0.04 0.18 0.23 Borate / Peroxide Fusion ICP
U, Uranium (ppm) 3.05 0.162 2.94 3.17 Borate / Peroxide Fusion ICP
V, Vanadium (ppm) 657 38 628 687 Borate / Peroxide Fusion ICP
Y, Yttrium (ppm) 8.55 0.789 8.10 9.00 Borate / Peroxide Fusion ICP
Yb, Ytterbium (ppm) 1.48 0.078 1.45 1.51 Borate / Peroxide Fusion ICP
Zn, Zinc (ppm) 207 11 200 215 Borate / Peroxide Fusion ICP
Zr, Zirconium (ppm) 31.8 3.06 29.3 34.2 Borate / Peroxide Fusion ICP
SG, Specific Gravity (Unity) 3.14 0.189 2.98 3.29 Gas / Liquid Pycnometry
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