AC18.10659

The material consists of gabbronorite rock sourced from an operating (Black Hill) quarry, located approx. 85 km east of the city of Adelaide (South Australia). This light grey, Cambro-Ordovician (~490 Ma) rock forms part of a large gabbroic intrusion. Mineralogy consists of mainly sodic labradorite plagioclase (49 %), K-feldspar (13 %), biotite (11 %), augite and hypersthene clinopyroxenes (10 %) with minor amounts of dolomite – ankerite (5 %), magnetite (4 %), quartz (4 %) and calcic amphibole (2 %).
Analyte Certified Value 1SD Expanded Uncertainty Low Expanded Uncertainty High Method
Al2O3, Aluminium(III) oxide (wt.%) 16.65 0.198 16.44 16.86 Miscellaneous Assay Methods
As, Arsenic (ppm) < 5.00 IND IND IND Miscellaneous Assay Methods
B, Boron (ppm) < 50 IND IND IND Miscellaneous Assay Methods
Ba, Barium (ppm) 560 18 538 582 Miscellaneous Assay Methods
Be, Beryllium (ppm) 1.90 0.19 1.61 2.20 Miscellaneous Assay Methods
Bi, Bismuth (ppm) < 0.10 IND IND IND Miscellaneous Assay Methods
CaO, Calcium oxide (wt.%) 9.32 0.460 9.15 9.50 Miscellaneous Assay Methods
Cd, Cadmium (ppm) < 10.0 IND IND IND Miscellaneous Assay Methods
Ce, Cerium (ppm) 51 2.8 47 55 Miscellaneous Assay Methods
Co, Cobalt (ppm) 33.8 1.48 31.5 36.2 Miscellaneous Assay Methods
Cr2O3, Chromium(III) oxide (ppm) 153 16 129 177 Miscellaneous Assay Methods
Cs, Caesium (ppm) 5.37 0.94 4.94 5.79 Miscellaneous Assay Methods
Cu, Copper (ppm) 64 4.3 56 72 Miscellaneous Assay Methods
Dy, Dysprosium (ppm) 4.24 0.357 3.80 4.67 Miscellaneous Assay Methods
Er, Erbium (ppm) 2.30 0.139 2.08 2.52 Miscellaneous Assay Methods
Eu, Europium (ppm) 1.68 0.19 1.51 1.85 Miscellaneous Assay Methods
Fe2O3, Iron(III) oxide (wt.%) 10.40 0.146 10.26 10.53 Miscellaneous Assay Methods
Ga, Gallium (ppm) 20.5 1.32 18.7 22.4 Miscellaneous Assay Methods
Gd, Gadolinium (ppm) 5.26 0.267 4.71 5.82 Miscellaneous Assay Methods
Ge, Germanium (ppm) 1.66 0.34 1.33 2.00 Miscellaneous Assay Methods
Ho, Holmium (ppm) 0.80 0.09 0.69 0.90 Miscellaneous Assay Methods
In, Indium (ppm) < 0.20 IND IND IND Miscellaneous Assay Methods
K2O, Potassium oxide (wt.%) 2.07 0.042 2.04 2.10 Miscellaneous Assay Methods
La, Lanthanum (ppm) 24.6 1.49 22.7 26.5 Miscellaneous Assay Methods
Li, Lithium (ppm) 15.9 1.21 13.6 18.2 Miscellaneous Assay Methods
Lu, Lutetium (ppm) 0.31 0.020 0.27 0.35 Miscellaneous Assay Methods
MgO, Magnesium oxide (wt.%) 5.10 0.092 5.03 5.17 Miscellaneous Assay Methods
MnO, Manganese oxide (wt.%) 0.166 0.005 0.161 0.170 Miscellaneous Assay Methods
Mo, Molybdenum (ppm) < 5.00 IND IND IND Miscellaneous Assay Methods
Na2O, Sodium oxide (wt.%) 2.58 0.076 2.54 2.63 Miscellaneous Assay Methods
Nb, Niobium (ppm) 7.55 1.26 6.14 8.96 Miscellaneous Assay Methods
Nd, Neodymium (ppm) 28.0 3.1 26.0 30.0 Miscellaneous Assay Methods
Ni, Nickel (ppm) 45.4 4.44 38.2 52.7 Miscellaneous Assay Methods
P2O5, Phosphorus(V) oxide (wt.%) 0.421 0.018 0.408 0.434 Miscellaneous Assay Methods
Pr, Praseodymium (ppm) 6.56 0.447 6.05 7.07 Miscellaneous Assay Methods
Rb, Rubidium (ppm) 102 5 92 113 Miscellaneous Assay Methods
Sb, Antimony (ppm) < 0.10 IND IND IND Miscellaneous Assay Methods
Sc, Scandium (ppm) 25.0 2.48 22.0 27.9 Miscellaneous Assay Methods
SiO2, Silicon dioxide (wt.%) 51.68 0.580 51.15 52.21 Miscellaneous Assay Methods
Sm, Samarium (ppm) 5.90 0.420 4.88 6.93 Miscellaneous Assay Methods
Sn, Tin (ppm) 2.23 0.45 1.68 2.78 Miscellaneous Assay Methods
Sr, Strontium (ppm) 578 42 549 606 Miscellaneous Assay Methods
Ta, Tantalum (ppm) < 5.00 IND IND IND Miscellaneous Assay Methods
Tb, Terbium (ppm) 0.70 0.066 0.62 0.79 Miscellaneous Assay Methods
Te, Tellurium (ppm) < 1.00 IND IND IND Miscellaneous Assay Methods
Th, Thorium (ppm) 8.22 0.429 7.64 8.80 Miscellaneous Assay Methods
TiO2, Titanium dioxide (wt.%) 1.27 0.035 1.24 1.29 Miscellaneous Assay Methods
Tl, Thallium (ppm) < 0.50 IND IND IND Miscellaneous Assay Methods
Tm, Thulium (ppm) 0.32 0.04 0.28 0.35 Miscellaneous Assay Methods
U, Uranium (ppm) 1.80 0.28 1.48 2.12 Miscellaneous Assay Methods
V, Vanadium (ppm) 286 19 268 303 Miscellaneous Assay Methods
W, Tungsten (ppm) < 5.00 IND IND IND Miscellaneous Assay Methods
Y, Yttrium (ppm) 22.0 0.79 20.7 23.3 Miscellaneous Assay Methods
Yb, Ytterbium (ppm) 2.11 0.182 1.74 2.47 Miscellaneous Assay Methods
Zn, Zinc (ppm) 96 7.4 87 106 Miscellaneous Assay Methods
Zr, Zirconium (ppm) 94 7.2 86 102 Miscellaneous Assay Methods
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