Figure 1 | Scientific Reports

Figure 1

From: Evaluation of tectonically enhanced radon in fault zones by quantification of the radon activity index

Figure 1

The figure represents the two different cases of a single fault and complex fault zone: (A) single fault with permeable core and damage zone, TER shallow signal is represented by a single-peak anomaly; (B) single fault with non-permeable core and wide and permeable damage zone, TER signal may show a double-peak anomaly; (C) complex fault zone with permeable core and damage zone, TER signal occurs as a single-peak; (D) complex fault zone with non-permeable core, and wide and permeable damage zone; TER is represented by a double-peak signal.

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