Table 1 Iron isotope and published major, trace element, μ142Nd, and μ182W data for 3.7 North Terrane ISB samples.

LOI, loss on ignition.

Sample name00-00700-00800-01000-01200-04200-044
SiO2 (wt %)55.3052.8651.0449.9250.4451.58
Al2O314.0714.7115.1414.8115.8013.18
Fe2O3total11.9011.9512.3512.8810.0313.88
MgO5.455.926.606.988.678.16
CaO8.889.1210.4810.0411.649.22
Na2O2.893.812.603.852.592.38
K2O0.280.450.550.320.110.33
TiO20.900.830.880.940.491.03
MnO0.180.200.180.170.130.19
P2O50.130.130.150.050.060.04
LOI1.180.520.470.200.630.29
Al/Fe*0.890.930.930.871.190.72
Mn/Fe*0.020.020.020.010.010.02
Nd10.599.8014.244.333.3811.89
Zr54.2057.80106.3012.2013.5029.20
Hf2.352.092.910.820.821.56
Lu0.420.310.440.210.190.61
Lu/Hf0.180.150.150.260.230.39
Zr/Nd5.125.907.462.823.992.46
μ142Nd8.39.44.516.32.68.2
±21.41.54.17.74.8
μ182W15.05.415.614.321.3
±3.17.26.88.55.3
δ57Fe0.02−0.020.060.130.160.30
±2 SD0.030.050.020.030.030.01
δ56Fe0.02−0.010.040.100.110.21
±2 SD0.020.010.020.020.010.03
n563648
δ57Fe(replicate dissolution of sample 00-044)0.31
±2 SD0.01
δ56Fe0.23
±2 SD0.02
n2
δ57Fe(replicate dissolution of sample 00-044)0.30
±2 SD0.02
δ56Fe0.19
±2 SD0.03
n6
δ57FeMg#74−0.07−0.10−0.010.060.130.24
±2 SD0.030.050.020.030.030.01

*Calculated using standard atomic masses and assuming all Fe present as Fe2+.

†Calculated by olivine addition [e.g., (31, 62)].