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Geothermal Energy

Science – Society – Technology

Fig. 3 | Geothermal Energy

Fig. 3

From: Structural, geochemical, and mineralogical investigation of active hydrothermal fluid discharges at Strýtan hydrothermal chimney, Akureyri Bay, Eyjafjörður region, Iceland

Fig. 3

SEM image of the thin section IS_Strýtan_01. The micrometer-scale layers are well visible. The different colors are the result of varying material properties (the higher the atomic number, the lighter the color). The yellow arrow marks the orientation of the profile given below. The diagram documents the chemical behavior along the profile (green arrow). This EDX line scan confirms different materials, although no mineral phase identification is possible by the use of this method. The outer parts are characterized by a dominance of Si, Mg, and O (phase I). The inner parts are dominated by Ca and O (phase II)

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