Application of radioisotope14C to geothermal analysis

Abstract：The radioisotope14C, an irreplaceable dating tool in thermal analysis, has an half?life value of5?730±40 years.In the space of the discontinuity of the reservoirs in Tianjin geothermal field, this leads to the age difference of geothermal water.Based on the measuremeant of the age of14C, the paper analyses the migratory mechanism of deep geothermal water, which provides scientific basis for its further exploiting and utilization.

Keyword：radioisotope;geothermal water;migratory mechanism;