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Table 5 Comparison of average source depths Z t, Z o, and Z b that for square blocks with the L, dimension of 51, 103, and 129 km

From: Investigating heat and magnetic source depths in the Soutpansberg Basin, South Africa: exploring the Soutpansberg Basin Geothermal Field

Subsurface zone (km) Block, L dimension Mean depth (km) Variation of mean (+/− km) Variation of mean (+/− %)
51 km 103 km 129 km
Z t 4.66 4.76 4.83 4.75 0.56 11.7
Z o 7.74 7.94 8.08 7.92 0.74 9.4
Z b 10.81 11.12 11.33 11.09 0.96 8.6