Thermal Process in the Crust and Upper Mantle in Xingtai-Shulu area of Hebei Province,China

(整期优先)网络出版时间:1995-03-13
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Studyofgeothermalfielddata,terrestrialheatflowvalues,andothergeophysicaldatafromtheXingtai-ShuluareaofHebeiProvincemadeusmoreunderstandingofthedistributionofgeothermalfieldsanddeepstructuresandtheirinterrelation.Thestudyillustratesthatthegeothermalfieldhasanapparentlateralinhomogeneityandisevidentlycorrelatedbythestructureofthecrustanduppermantleinthearea.Therelationofthegeothermalfielddistributiontothestructureindicatesthatincomparisonwiththedepressionzone,theupliftzonehasahigherheatflowvalueandalargergeothermalgradient.Theanalysisoftherelationbetweendistributionofearthquakeepicentersandgeothermalfieldandmathematicalsimulationofthermalstressintheareasuggeststhatthermalstressplaysanimportantroleintheprocessofearthquakegeneration.