我的家鄉(xiāng)長白山

1、我我的的家家鄉(xiāng)鄉(xiāng)長長白白山山13及食品質(zhì)量與安全徐嫣然83130252長白山即長白山脈（著名山脈）。中國名山，自古以來就是中國的神圣領(lǐng)土。是中華十大名山之一，松花江、圖們江和鴨綠江發(fā)源地。位于東北地區(qū)東部，中國吉林省東部。中國境內(nèi)的白頭峰海拔2691米，由粗面巖組成，夏季白巖裸露，冬季白雪皚皚，終年常白，系多次火山噴發(fā)而成。長白山為松花江、圖們江、鴨綠江的發(fā)源地。森林茂密、垂直分布明顯。是中國重要的林區(qū)。因主峰長白山頂多白色浮石和積雪故

2、名。滿語稱果勒敏珊延阿林?！渡胶＝?jīng)》稱不咸山，北魏稱徒太山，唐稱太白山，金始有長白山之稱。一般有廣義長白山和狹義長白山之分。中國東北著名山地，自古以來就是中國的神圣領(lǐng)土。圖們江和鴨綠江發(fā)源地。位于吉林省東部。1961年建立面積21.5萬公頃的長白山國家自然保護(hù)區(qū)。已加入國際人與生物圈計(jì)劃。因主峰長白山頂多白色浮石和積雪故名。滿語稱果勒敏珊延阿林?！渡胶＝?jīng)》稱不咸山，北魏稱徒太山，唐稱太白山，金始有長白山之稱。一般有廣義長白山和狹義長白山

3、之分。廣義長白山指整個(gè)長白山地，為中國東北地區(qū)東部山地的總稱。介于北緯3846′～4730′，東經(jīng)12108′～134。北起完達(dá)山脈北麓，南延千山山脈老鐵山，長約1300余公里，東西寬約400公里，略呈紡錘形。由多列東北—西南向平行褶皺斷層山脈和盆、谷地組成。最西列為吉林省境內(nèi)的大黑山和向北延至黑龍江省境內(nèi)的大青山；中列北起張廣才嶺，至吉林省境內(nèi)分為兩支：西支老爺嶺、吉林哈達(dá)嶺，東支威虎嶺、龍崗山脈，向南伸延至千山山脈；東列完達(dá)山、老爺

4、嶺和長白山主脈。面積約28萬平方公里。狹義長白山張廣才嶺、威虎嶺、龍崗山脈以東的長白山脈，包括長白山火山錐體和它周圍的熔巖高原及東北西南向山地海拔一般在800米以上。長白山為著名巨型復(fù)式火山，外圍熔巖高原略呈不規(guī)則橢圓形，長軸約140公里呈北東向延伸短軸約120公里，經(jīng)白堊紀(jì)末、中新世、上新世末到更新世初三次大的玄武巖噴溢堆疊形成高原、山地。早期噴溢的原始形態(tài)已遭破壞，中期噴溢的則構(gòu)成寬廣高原主體晚期噴溢除長白山外大部埋于河谷。三期噴溢

5、總厚度約NthernWeisaidactsTaiShanTangsaidtheTaibaiMountaingoldisthestartofChangbaiMountainsaid.ThegeneralhasbroadnarrowChangbaiMountainofChangbaiMountain.ThefamousmountaininNtheastChinesesinceancienttimesisChinasacredterrity.

6、TumentheYaluRiverthebirthplace.LocatedintheeastofJilinprovince.In1961theestablishmentofanareaof215000hectaresofChangbaiMountainNationalNaturereserve.Hasjoinedtheinternationalmanbiosphereprogram.ItsmainpeaktopofChangbaiMo

7、untainmethanthewhitepumicesnownamed.ThesaidfruitShanYinLeminalin.“ShanHaiChing“saidnosaltmountainNthernWeisaidactsTaiShanTangsaidtheTaibaiMountaingoldisthestartofChangbaiMountainsaid.ThegeneralhasbroadnarrowChangbaiMount

8、ainofChangbaiMountain.GeneralizedChangbaiMountainreferstotheChangbaiMountainsknownasthemountaineastntheastofChinese.Betweenlatitude38464730longitude12108134.NthoftheWamountainSouthextensionQianshanMountainMountainabout13

9、00kilometersabout400kmwideslightlyspindle.Bycolumnsofntheastsouthwestdirectionparallelfaultfoldmountainsbasinvalley.TheseeliefJilinprovinceinthebigblackmountainnthtotheHeilongjiangprovinceinthenthofMountDaqinginZhangGuan

10、gcairidgetotheterrityofJilinprovinceisdividedintotwobranches:theWestBranchLaoyeLingJilinhadaLingDongZhiWeiHuLingLonggangmountainsSouthEastlineextendingtoQianshanMountainsafterDarshanthemainveinLaoyeLingChangbaiMountain.A

11、nareaofabout280000squarekilometers.ThenarrowChangbaiMountainZhangGuangcaiLingWeihuridgeLonggangmountainstotheeastoftheChangbaiMountainsincludingtheChangbaiMountainvolcanoconesitssurroundinglavaplateauthentheastsouthwestm

12、ountaingenerallyatanelevationof800metersabovethe.ChangbaiMountainisfamousgiantcompositevolcanoperipherallavaplateauslightlyirregularovalthelongaxisofapproximately140kmanthernextensiontotheEasttheshtaxisisabout120kilomete

13、rsthelateCretaceousMiocenelatePliocenetoPleistocenebasalteruptioninthethreemajstackedplateaumountain.TheiginalpatternofearlyeruptionhasbeendestroyedtheeruptionisabroadplateaulateeruptioninadditiontoChangbaiMountainmostof