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《九寨沟风景区的表生地球化学特征（supergene geochemical characteristics of jiuzhaigou scenic area）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、九寨沟风景区的表生地球化学特征（SupergenegeochemicalcharacteristicsofJiuzhaigouScenicArea）LuozhengchunAbstract:Jiuzhaigouscenicspotenjoysagoodreputationbothathomeandabroadforitsspecialnaturalscenery.Inthispaper,thegeochemicalenvironmentofthesupergenegeochemistryisdiscussedfromtheview
2、ofgeochemistry,whichprovidesreferenceforfurtherdevelopmentandprotectionofthearea.Keywords:Jiuzhaigou;geochemistry;supergeneenvironmentClassificationnumber:P59:X142documentidentificationcode:AArticlenumber:1001-1749(2000)01-0048-04SURFACEGEOCHEMICALNATUREOFSCENICSPOT,J
3、IUZHAIVALLEYLUOZheng-chun(GeochemicalTeamofSichuanMinistryofGeologyandMineralResources,Sichuan,618009,China)Abstract:ScenicspotofJiuzhaiValleyinSichuanprovinceofChinahasthegoodreputationinthecountryandoverseasforitsspecificnaturescenery.Inthispaperwewillgiveoriginalde
4、scriptionofgeochemicalmechanismintheviewofgeochemistryenvironments,andofferanusefulreferenceforfurthertouristdevelopmentandenvironmentprotectioninthissceneryarea.Keywords:jiuzhaivalley;geochemistrysurface;environment0naturalgeographysurveyJiuzhaigouhighandcoldmountain
5、karstlandscapearea,locatedinJiuzhaigouCountyofNorthwestSichuanPlateau,isawhiteLongjiangRiverBasin,borderingonthesourceofMinjiangRiversystem.3000~4700mabovesealevel.Rainfallisabundant,andtheannualaverageprecipitationis649.6~940.6mm.Moderateclimate,annualminimumtemperat
6、urefor20.6DEGC,themaximumtemperatureof30degreesC.Thescenicnaturalscenery,vegetationdevelopment,verticalzoning,alpinevalleytravertineSnowgleamswhite.widecloth,color,colorful,beautiful,scenicspotstogetherisararespectacularnaturallandscapemasterpiece.1GeologicalprofileLo
7、catedinthewesternQinlingMountainsgeosynclinefoldbeltFerrisrangeanticline,thestrataofDevonianinthickbeddedlimestone,dolomiticlimestoneandslate;Carboniferouscrystallinelimestone,dolomiticlimestoneandclayshale;blackPermianlimestoneandshale;thelowerTriassicdolomiticlimest
8、one.ThestrataaregenerallyNWtrending.TheNWtrendingandNEtrendingfaultsdevelopedinthearea,andhadcertaincontroloverthescenicspot
