Research Article

Evaluation of Caldera Hosted Geothermal Potential during Volcanism and Magmatism in Subduction System, NE Japan

Table 2

Major element contents of melt inclusions from Fukano Caldera.

GroupSampleIdPointsMajor elements (wt.%)
SiO2TiO2Al2O3FeOMnOMgOCaONa2OK2OP2O5Total

Southern part160411-1a111a1604111a-g5-1b73.840.0010.751.540.000.251.284.391.690.4094.13
160411-1b111b1604111b-4-174.600.2710.181.070.050.001.434.421.260.0893.37
160411-2a112a2aG174.590.0111.031.450.040.261.744.241.26n.d94.55
2aG1b75.030.1211.051.330.070.201.804.371.18n.d95.05
2aG274.360.1511.181.570.100.101.814.121.240.0294.64
2aG375.330.0411.221.310.150.171.724.211.18n.d95.23
2aG4bb73.740.1710.891.640.050.191.633.521.22n.d93.00
2aG4a75.170.3211.111.580.020.161.773.721.28n.d95.03
160411-3a113a3aG2a274.610.0210.941.780.050.171.484.451.23n.d94.73
3aG3a173.660.2610.981.560.080.181.734.401.24n.d94.09
3aG473.720.2211.041.390.190.221.744.281.13n.d93.74
3aG5a74.210.1310.871.44n.d0.211.743.971.18n.d93.57
3aG5b272.090.2211.101.440.040.231.763.771.40n.d91.99
3aG5c72.650.2610.791.440.060.241.654.031.22n.d92.28
160411-3b113b3b#3G374.050.3110.731.250.140.241.843.891.20n.d93.60
3b#3G472.290.1111.141.62n.d0.201.853.591.28n.d91.82
3b#3G572.780.2811.271.530.060.321.974.021.11n.d93.25
3b#3G672.860.2111.031.360.080.231.644.191.22n.d92.79
3b#3G7a72.240.1610.731.62n.d0.191.694.011.32n.d91.83
3b#3G7b73.690.1311.071.530.060.181.583.921.24n.d93.26

Northern part160804-1041041G1a-172.930.1511.071.520.120.171.644.001.14n.d92.62
041G1b73.130.2210.901.360.190.201.633.851.180.0792.74
160804-2042042G173.310.1210.871.220.140.191.803.991.150.0292.82
042G2a73.320.0810.901.38n.d0.221.763.941.14n.d92.58
042G2b73.910.3111.101.600.070.141.724.011.14n.d93.89
160804-3043043G1a174.030.1011.150.920.030.111.003.972.76n.d94.05
043G10a73.140.1811.531.080.130.181.073.982.79n.d94.06
043G11a74.370.2211.090.7300.130.923.912.72n.d93.99
160804-3s043s043sG173.920.2011.301.620.010.241.923.841.52n.d94.47
043sG2b74.890.0611.011.370.120.141.304.011.600.0294.54
043sG3a76.070.0310.841.480.030.220.844.281.74n.d95.50
160804-4044044G173.330.4110.821.720.100.231.743.961.280.0193.60
044G2a73.730.0710.831.000.010.120.954.022.61n.d93.32
044G373.970.2510.641.660.120.281.913.901.290.0194.03
160804-5045045G1a74.680.1111.311.410.150.212.064.261.18n.d95.23
045G1a74.680.1111.311.410.150.212.064.261.18n.d95.23
045G1b74.770.2111.181.65n.d0.161.804.191.18n.d95.03
160804-6046046G172.960.0511.001.510.030.251.434.171.21n.d92.55
160804-704747G1a273.080.1510.801.750.170.331.724.171.17n.d93.25
47G1b73.050.2210.571.750.100.151.773.901.16n.d92.59
47G2a173.910.1110.771.240.140.080.774.762.04n.d93.72
160804-8048048HSG175.090.2310.701.430.020.131.375.051.49n.d95.39
160804-9049049G1a75.030.2310.831.420.090.121.494.371.190.0794.83
049G1b75.120.1611.181.26n.d0.191.504.421.27n.d94.84
049G573.690.1111.141.390.040.251.704.131.250.0193.72
160809-1091091G2a73.510.2310.731.550.050.131.384.171.620.0793.43
091G2b73.620.2310.591.340.120.161.513.891.830.0293.32
160809-3093093HSG1b74.090.2311.701.510.020.151.405.051.49n.d95.53
093HSG1c75.770.2310.351.440.190.151.044.261.45n.d94.84
160809-4094Q16b-171.660.3110.351.21n.d0.231.464.341.990.0891.60
Q16a-173.010.3310.701.800.110.331.684.141.970.0894.16
160809-5095095G1a74.610.2111.061.640.110.251.933.931.250.0294.99
095G1b74.160.1910.711.510.010.261.774.111.40.0394.16
160809-6096096G6b73.890.2210.981.58n.d0.211.694.131.16n.d93.69
096G8b72.500.2510.691.490.050.121.652.842.49n.d91.93