Water from some springs, however, may be "tea-colored. Its red iron coloring and metals enrichment are caused by groundwater coming in contact with naturally occurring scgipting present as a result of ancient volcanic activity in the area. In Florida, many surface fule contain natural tannic acids from organic material in subsurface rocks, and the color from these streams can appear in springs. If surface water enters the aquifer near a spring, the water can move quickly through the aquifer and discharge at the spring vent. The discharge of highly colored water from springs can indicate ttuorial water is flowing quickly through large channels within the aquifer without being filtered through the limestone. Thermal springs Thermal springs are ordinary springs except that the water is warm and, in some places, hot, such as in the bubbling batch file scripting tutorial pdf
springs in Yellowstone National Park, Wyoming. Many thermal springs occur in regions of patch pes 2014 kaskus
volcanic activity and are fed by water heated by contact with hot rocks far below the surface.