AC18.10663

The material consists of siltstone rock sourced from an operating (Donnybrook) quarry located approx. 29 km north of the city of Melbourne, Victoria. This very pale orange (moderately weathered) Upper Silurian, siliclastic sedimentary rock is part of the Melbourne Formation originally deposited in a quiet, relatively deep-water marine (outer shelf) environment. The mineralogy consists of quartz (59 %) and muscovite/sericite (23 %) with minor vermiculite, phlogopite, plagioclase, K-feldspar and tourmaline. The rock is also anomalous in As, Au, Bi, La, Sb, W and Sn.

AC18.10663.0100 is available as 50 g units packed into glass, wide-mouth jars.

Analyte Certified Value 1SD Expanded Uncertainty Low Expanded Uncertainty High Method
Al2O3, Aluminium(III) oxide (wt.%) 16.24 0.227 16.05 16.44 Miscellaneous Assay Methods
As, Arsenic (ppm) 501 37 450 553 Miscellaneous Assay Methods
B, Boron (wt.%) 0.152 0.030 0.108 0.196 Miscellaneous Assay Methods
Ba, Barium (ppm) 707 22 683 731 Miscellaneous Assay Methods
Be, Beryllium (ppm) 3.33 0.59 2.70 3.95 Miscellaneous Assay Methods
Bi, Bismuth (ppm) 22.5 1.02 20.9 24.2 Miscellaneous Assay Methods
CaO, Calcium oxide (wt.%) 0.070 0.024 0.055 0.086 Miscellaneous Assay Methods
Cd, Cadmium (ppm) < 10.0 IND IND IND Miscellaneous Assay Methods
Ce, Cerium (ppm) 102 8 93 112 Miscellaneous Assay Methods
Co, Cobalt (ppm) 2.08 0.52 1.45 2.70 Miscellaneous Assay Methods
Cr2O3, Chromium(III) oxide (ppm) 173 34 148 199 Miscellaneous Assay Methods
Cs, Caesium (ppm) 11.8 0.56 10.9 12.7 Miscellaneous Assay Methods
Cu, Copper (ppm) 32.5 10.0 21.6 43.5 Miscellaneous Assay Methods
Dy, Dysprosium (ppm) 5.87 0.386 5.49 6.24 Miscellaneous Assay Methods
Er, Erbium (ppm) 3.40 0.178 2.98 3.81 Miscellaneous Assay Methods
Eu, Europium (ppm) 1.41 0.080 1.30 1.51 Miscellaneous Assay Methods
Fe2O3, Iron(III) oxide (wt.%) 4.13 0.130 4.06 4.20 Miscellaneous Assay Methods
Ga, Gallium (ppm) 21.8 1.36 20.5 23.0 Miscellaneous Assay Methods
Gd, Gadolinium (ppm) 6.44 0.536 5.76 7.11 Miscellaneous Assay Methods
Ge, Germanium (ppm) 2.04 0.168 1.73 2.34 Miscellaneous Assay Methods
Ho, Holmium (ppm) 1.18 0.058 1.03 1.32 Miscellaneous Assay Methods
In, Indium (ppm) < 0.20 IND IND IND Miscellaneous Assay Methods
K2O, Potassium oxide (wt.%) 3.17 0.044 3.12 3.22 Miscellaneous Assay Methods
La, Lanthanum (ppm) 52 2.4 49 55 Miscellaneous Assay Methods
Li, Lithium (ppm) 48.1 3.62 44.9 51.4 Miscellaneous Assay Methods
LOI1000, Loss On Ignition @1000 °C (wt.%) 3.83 0.51 3.44 4.22 Miscellaneous Assay Methods
Lu, Lutetium (ppm) 0.47 0.07 0.37 0.57 Miscellaneous Assay Methods
MgO, Magnesium oxide (wt.%) 0.669 0.029 0.648 0.691 Miscellaneous Assay Methods
MnO, Manganese oxide (wt.%) 0.004 0.001 0.004 0.005 Miscellaneous Assay Methods
Mo, Molybdenum (ppm) < 5.00 IND IND IND Miscellaneous Assay Methods
Na2O, Sodium oxide (wt.%) 0.227 0.044 0.196 0.257 Miscellaneous Assay Methods
Nb, Niobium (ppm) 16.4 1.41 14.6 18.2 Miscellaneous Assay Methods
Nd, Neodymium (ppm) 41.9 4.7 39.2 44.7 Miscellaneous Assay Methods
P2O5, Phosphorus(V) oxide (wt.%) 0.078 0.007 0.072 0.085 Miscellaneous Assay Methods
Pb, Lead (ppm) 22.6 5.0 15.5 29.6 Miscellaneous Assay Methods
Pr, Praseodymium (ppm) 11.6 0.80 10.8 12.4 Miscellaneous Assay Methods
Rb, Rubidium (ppm) 150 12 144 157 Miscellaneous Assay Methods
Sb, Antimony (ppm) 6.19 0.556 5.20 7.18 Miscellaneous Assay Methods
Sc, Scandium (ppm) 15.8 0.44 14.8 16.9 Miscellaneous Assay Methods
SiO2, Silicon dioxide (wt.%) 69.99 0.594 69.40 70.58 Miscellaneous Assay Methods
Sm, Samarium (ppm) 7.43 0.473 6.49 8.36 Miscellaneous Assay Methods
Sn, Tin (ppm) 19.5 1.28 17.6 21.4 Miscellaneous Assay Methods
Sr, Strontium (ppm) 78 2.6 74 82 Miscellaneous Assay Methods
Ta, Tantalum (ppm) 1.35 0.29 0.95 1.74 Miscellaneous Assay Methods
Tb, Terbium (ppm) 0.96 0.067 0.86 1.06 Miscellaneous Assay Methods
Te, Tellurium (ppm) < 1.00 IND IND IND Miscellaneous Assay Methods
Th, Thorium (ppm) 18.4 1.12 17.6 19.1 Miscellaneous Assay Methods
TiO2, Titanium dioxide (wt.%) 0.822 0.011 0.807 0.836 Miscellaneous Assay Methods
Tl, Thallium (ppm) 0.83 0.049 0.75 0.91 Miscellaneous Assay Methods
Tm, Thulium (ppm) 0.51 0.038 0.46 0.55 Miscellaneous Assay Methods
U, Uranium (ppm) 3.44 0.43 3.21 3.67 Miscellaneous Assay Methods
V, Vanadium (ppm) 114 12 106 121 Miscellaneous Assay Methods
W, Tungsten (ppm) 93 12 82 105 Miscellaneous Assay Methods
Y, Yttrium (ppm) 31.4 1.67 29.9 33.0 Miscellaneous Assay Methods
Yb, Ytterbium (ppm) 3.23 0.255 3.01 3.45 Miscellaneous Assay Methods
Zn, Zinc (ppm) 41.7 7.4 30.4 53.0 Miscellaneous Assay Methods
Zr, Zirconium (ppm) 238 28 204 272 Miscellaneous Assay Methods
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