2263 Figure 2 – Illustrates the PFA workflow (Adapted from Faulds, 2017) Table 3 – Factors and weights of the permeability and potentiality model for geothermal exploration (Adapted from Faulds, 2017). Category Subcategory Factor Value Weight (w) 1.Local Permeability Structural Configuration Accommodation zone / Relay (Stepover) 1.0 x2.0 Intermediate step / Fault intersection 0.6 / 0.5 x2.0 Fault termination 0.1 x2.0 No structural configuration -0.5 x2.0 Recency of Faults (Quaternary Age) Holocene (<15 ka) 1.0 x3.0 Late Pleistocene (<130 ka) 0.9 x3.0 Middle Pleistocene (<750 ka) 0.5 x3.0 Early Pleistocene (<2.6 Ma) 0.1 x3.0 Slip Rate (Trend) High (>1.0 mm/a) 1.0 x0.3 Moderate (>0.5 mm/a) 0.5 x0.3 Low / No data 0.0 x0.3 Rate/Permeability Relationship ≥ 0.40 mm/a 1.00 x1.5 (Detailed breakdown) 0.05 – 0.30 mm/a 0.30 – 0.80 x1.5 < 0.05 mm/a 0.05 – 0.10 x1.5 Proximity (Buffer) Distance to fault trace < 500 m 0.84 x0.5 2. Permeabilidad Regional Geophysics and Geodesy Geodetic strain rate 0.90 x1.0 Horizontal gravity gradient 0.80 x1.0 Fault recency (Regional) 0.70 x1.0 Seismicity (Earthquakes) 0.70 x1.0 Quaternary slip rate 0.60 x1.0 Magnetotellurics (MT) - x1.5 3. Evidencia Directa Fluids and Heat Fluid geochemistry / Wells Variable N/A Heat Source Temperature at 3 km (Heat flow/K) Variable N/A
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