AC18.10659

Gabbronorite

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 %).

AC18.10659 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.%) 16.65 0.198 16.44 16.86 Various analytical methods
As, Arsenic (ppm) < 5.00 IND IND IND Various analytical methods
B, Boron (ppm) < 50 IND IND IND Various analytical methods
Ba, Barium (ppm) 560 18 538 582 Various analytical methods
Be, Beryllium (ppm) 1.90 0.19 1.61 2.20 Various analytical methods
Bi, Bismuth (ppm) < 0.10 IND IND IND Various analytical methods
CaO, Calcium oxide (wt.%) 9.32 0.460 9.15 9.50 Various analytical methods
Cd, Cadmium (ppm) < 10.0 IND IND IND Various analytical methods
Ce, Cerium (ppm) 51 2.8 47 55 Various analytical methods
Co, Cobalt (ppm) 33.8 1.48 31.5 36.2 Various analytical methods
Cr2O3, Chromium(III) oxide (ppm) 153 16 129 177 Various analytical methods
Cs, Caesium (ppm) 5.37 0.94 4.94 5.79 Various analytical methods
Cu, Copper (ppm) 64 4.3 56 72 Various analytical methods
Dy, Dysprosium (ppm) 4.24 0.357 3.80 4.67 Various analytical methods
Er, Erbium (ppm) 2.30 0.139 2.08 2.52 Various analytical methods
Eu, Europium (ppm) 1.68 0.19 1.51 1.85 Various analytical methods
Fe2O3, Iron(III) oxide (wt.%) 10.40 0.146 10.26 10.53 Various analytical methods
Ga, Gallium (ppm) 20.5 1.32 18.7 22.4 Various analytical methods
Gd, Gadolinium (ppm) 5.26 0.267 4.71 5.82 Various analytical methods
Ge, Germanium (ppm) 1.66 0.34 1.33 2.00 Various analytical methods
Ho, Holmium (ppm) 0.80 0.09 0.69 0.90 Various analytical methods
In, Indium (ppm) < 0.20 IND IND IND Various analytical methods
K2O, Potassium oxide (wt.%) 2.07 0.042 2.04 2.10 Various analytical methods
La, Lanthanum (ppm) 24.6 1.49 22.7 26.5 Various analytical methods
Li, Lithium (ppm) 15.9 1.21 13.6 18.2 Various analytical methods
Lu, Lutetium (ppm) 0.31 0.020 0.27 0.35 Various analytical methods
MgO, Magnesium oxide (wt.%) 5.10 0.092 5.03 5.17 Various analytical methods
MnO, Manganese oxide (wt.%) 0.166 0.005 0.161 0.170 Various analytical methods
Mo, Molybdenum (ppm) < 5.00 IND IND IND Various analytical methods
Na2O, Sodium oxide (wt.%) 2.58 0.076 2.54 2.63 Various analytical methods
Nb, Niobium (ppm) 7.55 1.26 6.14 8.96 Various analytical methods
Nd, Neodymium (ppm) 28.0 3.1 26.0 30.0 Various analytical methods
Ni, Nickel (ppm) 45.4 4.44 38.2 52.7 Various analytical methods
P2O5, Phosphorus(V) oxide (wt.%) 0.421 0.018 0.408 0.434 Various analytical methods
Pr, Praseodymium (ppm) 6.56 0.447 6.05 7.07 Various analytical methods
Rb, Rubidium (ppm) 102 5 92 113 Various analytical methods
Sb, Antimony (ppm) < 0.10 IND IND IND Various analytical methods
Sc, Scandium (ppm) 25.0 2.48 22.0 27.9 Various analytical methods
SiO2, Silicon dioxide (wt.%) 51.68 0.580 51.15 52.21 Various analytical methods
Sm, Samarium (ppm) 5.90 0.420 4.88 6.93 Various analytical methods
Sn, Tin (ppm) 2.23 0.45 1.68 2.78 Various analytical methods
Sr, Strontium (ppm) 578 42 549 606 Various analytical methods
Ta, Tantalum (ppm) < 5.00 IND IND IND Various analytical methods
Tb, Terbium (ppm) 0.70 0.066 0.62 0.79 Various analytical methods
Te, Tellurium (ppm) < 1.00 IND IND IND Various analytical methods
Th, Thorium (ppm) 8.22 0.429 7.64 8.80 Various analytical methods
TiO2, Titanium dioxide (wt.%) 1.27 0.035 1.24 1.29 Various analytical methods
Tl, Thallium (ppm) < 0.50 IND IND IND Various analytical methods
Tm, Thulium (ppm) 0.32 0.04 0.28 0.35 Various analytical methods
U, Uranium (ppm) 1.80 0.28 1.48 2.12 Various analytical methods
V, Vanadium (ppm) 286 19 268 303 Various analytical methods
W, Tungsten (ppm) < 5.00 IND IND IND Various analytical methods
Y, Yttrium (ppm) 22.0 0.79 20.7 23.3 Various analytical methods
Yb, Ytterbium (ppm) 2.11 0.182 1.74 2.47 Various analytical methods
Zn, Zinc (ppm) 96 7.4 87 106 Various analytical methods
Zr, Zirconium (ppm) 94 7.2 86 102 Various analytical methods
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