Tectonic Evolution of the Southern Negros Geothermal Field and Implications for the Development of Fractured Geothermal Systems

Figure 4

Group 1 fractures on a microscale. (a) Photomicrograph of the sinistral fault in Figure 3 shows consistent sinistral sense of motion. (b) A pyrite-filled vein from the same outcrop with cockade overgrowths.

(a)

(b)