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Geothermal Energy

Science – Society – Technology

Fig. 4 | Geothermal Energy

Fig. 4

From: Structural control of the graben fault on hydrothermal alteration in the Cerro Pabellón geothermal system (Andean Cordillera, Northern Chile)

Fig. 4

X-ray diffractograms of EG-saturated oriented powder (< 5 μm clay fraction) a samples 350, 430, 445, 465, 480, 500, 550, 600, 670, 690, 700, 715, 725, and 850 in CP5A well b samples 900, 950, 1050, 1100, 1150, 1250, 1400, 1500, 1530, and 1550 in CP2A well. XRD in purple is associated to FZ c close-up on deconvolution of illitic peak for sample CP5A725 and of chloritic peak for sample CP5A465. Chl chlorite, C-Crr chlorite–corrensite mixed layers, Crr corrensite, Ill illite, I-S illite–smectite mixed layers, Sm smectite, Qtz quartz, Zeo: zeolites

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