Hydrochemical Characteristics and Formation of the Madeng Hot Spring in Yunnan, China

Figure 7

Schematic profile showing the formation (near the vent) of the Madeng hot spring in Jianchuan county, Yunnan. 1—sand and gravel; 2—sandstone; 3—mudstone; 4—fracture zone; 5—hot spring; 6—thermal ground water flow; 7—heat flow; 8—water table.