藏南地区典型地热系统成因及其资源量分析评价

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中图分类号：P314.3 文献标志码：A 文章编号：2095-1329（2025）02-0095-11

Abstract：TheQinghai-TibetPlateau，situatedatthejunctureoftheEurasianandIndianOceantectonicplatesboastsabudant geothermalresources.Basedontheintensityofgeothermalactivtiesandotherfactors，theXizangAutonomousRegioncanbedivided intofouregiosamonghichtheigtemperaturegeothalzoneinsoutheTibetehbitstelargestumberandteosttese geothermalactivitis.ConseqentlysouthTibetpossesimmensepotetialforgothealresouredevelopnt.Cia’sfist geothermalpowerstationwasestablishedintheYangbajinggeothermalfieldofsouthernTibet，andcalculationsusingthhermal storage method indicate that the exploitable heat energy of geothermal resources in southern Tibet reaches 6.013×1018 Joules per annum. Benefting fromitsstructuraldevelopment，thegeotheralsysteminsouthemTbetisprimarilycharacterzedbydpciulation，with heatsources primarilystemmingfrommagmatichydrothermalreplenishmentandheat exchangewithsurroundingrocks.Bothstructural developmentandmagmaticactivitiescontributetotheabundanceofgeothermalresourcesinthisregio.Drawinguponthegeological tectonicbackdopthispaperprovidesadetailedaessmentoftypicaleothealsytemsitint gothealesourceras： Xigaze，Sananandangxiong，comassnggeotealelsschshai，CabugejiauandYangbjingough analysesfgothemalfuidtemperature，teralresevoircharacteristicsandgeothealesouequantitis，thepaperucoersthe geothermal genesis mechanismsof tese treeresource-richregions.This work serves asascientificbasis forfurther explorationand development of geothermal resources in Southern Tibet.

Key words：SouthernTibet; ypical geothermalsystems in Southern Tibet;genesis of typical geothermal systems;evaluationof geothermal resource quantity

我国的地热资源相当丰富，按照空间分布和赋存状态可分为三类，分别是浅层地热能、干热岩型地热资源与水热型地热资源[12]。（剩余12677字）