5 : ( [6] ) Fig.1 GeologicalmapofXitieshanPb-Znminingarea ( ); - 2 [6] - - (Mλπ) ( a-1 b ) (a-2 ) - - ( 2-A) (d ) - ( ) [1123] ; c ( 2-B) [6] [2

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1 GeologicalScienceandTechnologyInformation Vol.37 No.5 Sep doi: /j.cnki.dzkq [J] (5): ( ;2. ( ) ; ) : 3 ( ) 3 SE SE : ; ; ; ; :P618.42;P :A : (2018) tpb+ Zn 10% ;20 90 ( VMS ) [1] ; [2-7] SEDEX ; - [114] - [15-22] (VSHMS) - [8-11] [8-1223] - - ( 1) [12] [13] - : : : ; ( ) : (1984 ) @qq.com : (1969 ) sunhsh@cug.edu.cn

2 5 : ( [6] ) Fig.1 GeologicalmapofXitieshanPb-Znminingarea ( ); - 2 [6] - - (Mλπ) ( a-1 b ) (a-2 ) - - ( 2-A) (d ) - ( ) [1123] ; c ( 2-B) [6] [24-25] ; ( ) [26] ; 50% ; 2 - a-2 b ; : 2000 ( ) 0

地质科技情报１５６２０１８年Ａ含流纹斑岩角砾石英钠长岩Ｂ弱蚀变碎裂状流纹斑岩Ｃ大理岩角砾矿石Ｄ棱角状隐爆闪锌矿Ｅ硅化碎裂岩Ｆ交代残留长石双晶纹Ｇ复成分角砾矿石Ｈ复成分角砾矿石Ｉ胶状黄铁矿破碎Ｊ碎裂状闪锌矿Ｋ矿体顶板强硅化大理岩Ｌ含脉状闪锌矿化石英钠长岩Ｍ混杂状流纹斑岩肉红色绿片岩角砾Ｎ

3 地质科技情报１５６２０１８年Ａ含流纹斑岩角砾石英钠长岩Ｂ弱蚀变碎裂状流纹斑岩Ｃ大理岩角砾矿石Ｄ棱角状隐爆闪锌矿Ｅ硅化碎裂岩Ｆ交代残留长石双晶纹Ｇ复成分角砾矿石Ｈ复成分角砾矿石Ｉ胶状黄铁矿破碎Ｊ碎裂状闪锌矿Ｋ矿体顶板强硅化大理岩Ｌ含脉状闪锌矿化石英钠长岩Ｍ混杂状流纹斑岩肉红色绿片岩角砾Ｎ可拼贴角砾Ｏ网脉状黄铁矿磁黄铁矿化蚀变岩图２喷流管道相岩性组合特征Ｆｉｇ２Ｔｈｅｌｉｔｈｏｌｏｇｉｃｃｏｍｂｉｎａｔｉｏｎｃｈａｒａｃｔｅｒｉｓｔｉｃｏｆｔｈｅｅｘｈａｌａｔｉｖｅｃｏｎｄｕｃｔ原位测试分析结果因篇幅考虑硫同位素数据另文发表相结合目前在矿区识别出３处海底喷流管道相现将其位置及特征阐释如下２１锡铁山沟海底喷流管道相５９４７线之间该地段地表ａ２岩段大理岩内部广泛发育角砾状铅锌矿石角砾成分为大理岩粒径大小不等棱角分明弱定向常见可拼贴结构角砾之间被铅锌硫化物充填胶结图２Ｃ镜下硫化物多呈棱角状不规则状以闪锌矿为主少量方铅矿和黄铁矿图２Ｄ坑道调查显示该地段矿体顶板附近常见强硅化岩发育岩石内部显微破碎及定向构造明显图２Ｅ局部见残存长石斑晶的双晶纹图２Ｆ以上

4 5 : 157 ; ( 3); δ 34 S 1.8 ~30.4 ( ) δ 34 S( 3 ~5 ) 2.2 (31-26 ) ( ) 4 29 Fig.4 No.29explorationlinesection ( 2-GH) ( 2-I) ( 2-J) (1) ( 2-K) (ZK ZK ) 2200 m ( 4); ( 2-AL) δ 34 S -5.3 ~2.9 δ 34 S(3 ~5 ) 2200 m δ 34 S -1.5 ~ Fig.3 47 No.47explorationlinesection (2) ZK ZK ( 2-M) ( 2-N) ( 2-O) ZK ( ) ( 2762m )

5 Fig.5 07 No.07explorationlinesection 3 ; ( 3 ) 6 - ( ) - (460 ( ) Ma) [8-9] ( ) ) XRD ( ( 2-MN) 1) [27] F 1 F 2 ( 1) F 2 ( 2-A) ( 2-K) ( 2-F) ( 6) ( 2-E) 4 ( )

6 5 : ZK XRD Table1 X-raydifractionoftheimandriterockpowderfordril-coreZK inXitieshanPb-Znoredeposit ZK ZK ZK ZK ZK XRD (w B /%) 24.3; 7.1; 2.7; 1.1; 4.5; 38.3; 0.7; ; 6.5; 42.8; 22.0; 14.2; ; 7.7; 31.5; 3.2: 24.9; 17.3; ; 23.9; 7.6; 10.2; 27.0; 13.3; 14.9; ; 5.4; 26.5; 33.1; 20.4 : ; : X XRD-Terra 9 (9 ) 2 ( ) (2) 2762 m 2642 m 2000 m 2822m 2582m 2100 m( 3~ 5) (3) ( 3~ 5) ) ; 5 (1) NE NE NE NE Fig.6 Sketchingforearlysubmarineexhalativeandlateorogenicre- ( 1) [1-2] formingprocessofxitieshanpb-zndeposit (1) 7 I m( ( 4)Pb+Zn 25%;IV NE NE m( 5)Pb+Zn ) 12%

7 Fig.7 LongitudinalmapoforebodiesinXitieshanminingarea (2) GeologyReviews201780: SE SE ( 7) SE GeologyReviews201788: [10] [11] 6 (1): [14] SE SE : ofasianearthsciences201363: [1]. [J]. [17]SongSGWang MJWangCetal.Magmatismduringcon (2):1-12. tinentalcolisionsubductionexhumationand mountaincol- [2]. [J]. lapseincolisionalorogenicbeltsandcontinentalnetgrowth:a 1999(5): perspective[j].sciencechinaearthsciences201558(8): [3] [J] ( 1): [18]XiongQZhengJPGrifin W Letal.Pyroxenitedykesin [4]. orogenicperidotitefrom North Qaidam (NE TibetChina) [J] (3): trackmetasomatismandsegregationinthemantlewedge[j]. [5]. JournalofPetrology201455(12): [J] (1): [19]ZhangCBaderTZhangLetal.Themulti-stagetectonice- [6]. volution ofthe Xitieshan terrane North Qaidam orogen [J] (1): westernchina:from Grenvile-ageorogenytoEarly-Paleozoic [7] LiHXiX.Sedimentaryfans:Anewgeneticmodelforsedi- ultrahigh-pressure metamorphism [J].Gondwana Research mentaryexhalativeoredeposits[j].ore Geology Reviews : [8] FuJLiangXWangCetal.TheXitieshanvolcanicsedi- ment-hostedmassivesulfidedepositnorth QaidamChina: Geologystructuraldeformationandgeochronology[J].Ore sightsfrom zircongeochronologyandgeochemistry[j].ore [J] (4): : [J] (2): [12]. :Ⅰ. SEDEX [J] (5): [13]. [J] [M]. : [9] Sun HLiHEvansNJetal.Volcanismmineralizationand metamorphismatthexitieshanpb-zndepositnw China:In- [15]ChenDLLiuLSunYetal.FelsicveinswithinUHPeclo- giteatxitieshaninnorthqaidamnw China:Partialmelting duringexhumation[j].lithos /139(4): [16]ZhangGZhangLChristyA G.Fromoceanicsubductionto continentalcolision:anoverviewofhp UHP metamorphic rocksinthenorthqaidam UHPbeltNW China[J].Journal : [20]ZhangJXMatinsonC GMengFCetal.U-Pbgeochro- nologyofparagneissesand metabasiteinthexitieshanarea northqaidam MountainswesternChina:Constraintsonthe

8 5 : 161 exhumationofhp/uhp metamorphicrocks[j].journalofa- sianearthsciences200935(3): [21]. [25]. [J] (2): [22]. [26]. [J] (7): [23] [J] (3): [J] (6): [D]. : [C] [27]. [J]. [24]. c (3): IdentificationoftheSubmarineExhalativeConductand ItsSignificancesforOre-ControlingGenesisand Ore-FindingXitieshanPb-ZnDepositQinghaiProvince ZhongYongsheng 1 Sun Huashan 2 GeFengjian 3 SunLi 1 FanQianrong 2 WangRuyi 2 ZhangDelong 1 (1.Western MiningIncorporatedCompanyXining810001China; 2.FacultyofEarthResourceChinaUniversityofGeosciences(Wuhan)Wuhan430074China; 3.FujianInsititueofGeologicalSurveyFuzhou350013China) Abstract:TheXitieshanlead-zincdepositislocatedinthemiddleofthenorthernmarginoftheQaidam Ba- sinwhiletherehavebeencontroversiesregardingthegenesisofthedeposit.theunderstandingofthe genesisofdepositsdirectlyafectsthechoiceofore-controlingfactorswhichinturndeterminesthestudy ofmetalogenicregularityandthedirectionofprospecting.integratinggeologicalsurveydril-corelog- gingpetrographywithexploration mapsandsulfurisotopecharacteristicsthis workidentifiesthree submarineexhalativeconductivelocationswhichroughlymatchwiththreegorgescross-cutingtanjians- hangroupinxitieshanpb-znoredepositqinghaiprovince.theexhalativeconductconsistsofhydro- thermalcryptoexplosivebrecciaindeepalteredrocksin middleandpolymicticbrecciaoresinupper tedasthefirstore-findingtargetatpresent. namedastrinity.inadditionbasedonthecharacteristicsoftheexhalativeconducttheearlyseafloorex- halationprocessinxitieshanlead-zincdepositwasreconstructed.mineralizationrichisaroundtheexhala- tiveconductinparticularthecryptoexplosiverhyolitichydrothermalbrecciacontrolsthebotomofthe orebodyandlateralplungingtowardsoutheastern.accordinglythedeepareaofzhongjiangouisdelinea- Keywords:exhalativeconduct;oredepositgenesis;ore-controlingprocess;ore-findingimplication;Xities- hanpb-zndeposit

材料方法统计学分析体外作用对细胞增殖的影响

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