地層地質(zhì)特征中英對照

妙文翻譯公司翻譯樣稿1.1.1一、地層礦區(qū)內(nèi)主要出露地層有耀嶺河組（Qny）、陡山沱組（Z2d）、燈影組（Z2dn）、水溝口組（W]Sg）、石甕子組（e3-O2s）及少量第四系風(fēng)化殘坡積和沖積物（Q）?，F(xiàn)由老至新分述如下：1?1?1?1（一）耀嶺河巖組（Qny）主要出露在測區(qū)中部，面積少，上部為陡山陀組粉砂巖，北部被細(xì)粒角閃閃長巖所侵蝕。該組巖性為淺灰色—灰綠色蝕變安山巖：巖石具變余斑狀結(jié)構(gòu)，基質(zhì)呈變余交織結(jié)構(gòu)、塊狀構(gòu)造、斑晶為斜長石，其在區(qū)內(nèi)呈殘留體分布。（二）陡山沱組（Z2d）分布在測區(qū)中部，北西西向展布，規(guī)模較小。其不整合覆于耀嶺河巖組之上，整合伏于燈影組之下。該組主要巖性為斑雜色砂礫巖，灰色長石石英砂巖，紫紅色條帶狀粉砂巖及泥質(zhì)白云巖。斑雜色砂礫巖中，礫石磨園較好呈渾園狀，分選程度差，顆粒支撐，填隙物為砂質(zhì)，礫石成份以火山巖、硅質(zhì)巖為主，長石石英砂巖、顆粒支撐、硅質(zhì)膠結(jié)，發(fā)育有交錯層理。紫紅色條帶狀粉砂巖：由紫紅色條帶和白灰色條帶相間排列而成，具鈣質(zhì)膠結(jié)特征。（三）燈影組（Z2dy）在測區(qū)分布較廣，整合覆于陡山沱組之上。根據(jù)巖層厚度特征，可分上、下兩段。下段（Zdyi）:巖性為灰色一白灰色中厚層狀白云巖夾薄層白云巖，巖石呈粉細(xì)晶結(jié)構(gòu)，2塊狀構(gòu)造。上段（Zdy2）:巖性為白灰色厚層一塊狀白云巖巖石呈粉細(xì)晶結(jié)構(gòu)，塊狀構(gòu)造。21?1?1.4（四）水溝口組（eisg）分布在圖區(qū)中部，是礦體賦存層位，其延伸較長，平行不整合于燈影組之上，其上部與石甕子組整合接觸、根據(jù)巖石組合及巖性特征可分為上、中、下三段。下段（eisg1）:巖性為灰色一灰黑色含炭硅質(zhì)巖，硅質(zhì)巖，夾有白云巖、白云質(zhì)粉砂巖，是礦體的圍巖。中段（eisg2）:巖性為黑色含釩炭硅質(zhì)巖、炭質(zhì)板巖、炭質(zhì)片巖，是礦體主要組成部分。其中伴生有錳結(jié)核、磷結(jié)核，黃鐵礦化、銅礦化明顯。巖層內(nèi)發(fā)育順層掩臥褶皺及強片理化帶。該含礦層延伸遠(yuǎn)，厚度穩(wěn)定約3?20m。上段（eisg3）:巖性為灰色一灰黑色含炭硅質(zhì)巖、白云質(zhì)粉砂巖及硅化白云巖，其與上覆石甕子組呈整合接觸關(guān)系。1?1?1.5（五）石甕子組（e3-°2s）主要分布在礦區(qū)以南的廣大地區(qū)，呈北西西向展布，主要巖性為白灰色中厚層一厚層狀白云巖。(六)第四系(Q)主要以殘坡積及松散堆積體產(chǎn)出，零星分布于河谷，溝谷及較緩的山坡上。I.StrataIntheminingarea,theexposingstratamainlyincludeYaolingheFormation（Qny）,DoushantuoFormation（Z2d）,DengyingFormation（Z2dn）,ShuigoukouFormation（^sg）,ShiwengziFormation（^-OqS）,andtheQuaternaryweathereddeluviumandalluvium（Q）.Theyaredescribedasfollowsfromtheoldertothenewer:（I）YaolingheFormation（Qny）Itsexposingareaisasmallandmainlylocatedinthemiddleofthesurveyarea,itsupperlayerisaleuroliteinDoushantuoFormation,anditsnorthpartisintrudedanderodedbygranularhornblendediorite.Thelithologyoftheformationisgrayish-sagegreenalterationandesite:therockhasablastoporphyritictexture,itssubstratumpresentsapalimpsestpilotaxitictexturewithmassivestructure,andthephenocrystisplagioclaseanddistributedasremainedmassinthearea.（II）DoushantuoFormation（Z2d）Itisdistributedinthemiddleofthesurveyarea,extendsinthedirectionofNWWwitharelativelysmallsize,unconformablycoversonYaolingheFormation,andconformablyunderliesDengyingFormation.Themainlithologyofthisformationincludesmotleyglutenite,greyfeldspathicquartzsandstone,mauvebandedsiltstone,andargillaceousdolomite.Inmotleyglutenite,gravelsareroundedrelativelywellandgrain-supported,withaperfectlyroundshape,badseparation,andsandyinterstitialmatter,andmainlyconsistofvolcanicrockandsiliceousrock.Feldspathicquartzsandstoneisgrain-supported,withsiliceouscementationandcrossstratificationdevelopment.Mauvebandedsiltstoneismadeupofmauveandwhitegraybandedrockalternatelydistributedwiththecharacteristicofcalciticcementation.III）DengyingFormation（Z2dy）Itiswidelydistributedinthesurveyarea,conformablycoversonDoushantuoFormation,andcanbedividedintotheupperandlowersectionsaccordingtothecharacteristicofrockthickness.Thelowersection（ZThelowersection（Z2dy1）Theuppersection（ZTheuppersection（Z2dy2）（IV）ShuigoukouFormation（弓sg）Itisdistributedinthemiddleofthemaparea,istheore-bearinghorizon,extendstoarelativelylongdistance,coversonDengyingFormationwithaparallelunconformityrelationship,andconformablyunderliesShiwengziFormation.Accordingtorockcombinationandlithologicalcharacteristic,itcanbedividedintotheupper,midandlowersections:www,ac,metranslation,cwww,ac,metranslation,c，Thelowersection（^1sg1）:Thelithologyincludesgray---greyblackcarbonaceoussilicaliteandsilicalitethatisintercalatedwithdolomiterockanddolomiticsiltstone,formingthewallrockoforebodies.Themiddlesection（w^g2）：Thelithologyincludesblackvanadium-bearingcarbonaceoussilicalite,carbonaceousslate,andcarbonaceousschist,formingthemaincomponentsoforebodies,isassociatedwithmanganeseandphosphorusnodules,andispyritizedandcopper-mineralizedsignificantly.Intherockstrata,bed-parallelburiedrecumbentfoldsaredeveloped,togetherwithasignificantschistosezone.Theseore-bearinglayersextendfarawaywithastablethicknessof3-20m.Theuppersection（w1sg3）：Thelithologyincludesgray---greyblackcarbonaceoussilicalite,dolomiticsiltstoneandsiliceousdolomiterock,andisconformablyrelatedwithitsoverlyingShiwengziFormation.（V）ShiwengziFormation（w3-O2s）Itismainlydistributedinavastparttothesouthoftheminingarea,extendsinthedirectionofNWW,andmainlyincludes