Research Article

Cements, Waters, and Scales: An Integrated Study of the Szeged Geothermal Systems (SE Hungary) to Characterize Natural Environmental Conditions of the Thermal Aquifer

Figure 6

Typical XRPD patterns of representative bulk rock samples (sample 3/7: sandstone; sample 1/7: pyrite-bearing mudrock). Abbreviations: 14A = 14 Ångström phase (chlorite±vermiculite±smectite); 10A = 10 Ångström phase (illite±mica); 7A = 7 Ångström phase (kaolinite); cal = calcite; dol = dolomite; kf = K-feldspar; pl = plagioclase feldspar; pyr = pyrite; q = quartz; sm = smectite±highly swelling mixed-layer illite/smectite.