南黃海和東海北部陸架碎屑礦物組合分區(qū)及生源差別.pdf

1、青島海洋大學碩士學位論文南黃海和東海北部陸架碎屑礦物組合分區(qū)及生源差別姓名：王昆山申請學位級別：碩士專業(yè)：海洋地質指導教師：林振宏2000.6.1on甜麓：：如。。遙icalinvestigati。ninfomati。n。f1arges鋤plingdens時，de仃i協1mineralsofsurf犯esedimentarestudiedin也eshelfofSouthYellowSeaaIld也enonhemEastChillaSea

2、There觚e366hea、r)，mineralsalllplesand304lightminerals鋤ples血atwerediagnosedintllismesisSerialsofcontentfiguresaredra丘edfordetritalmineralsCompositionofmineralsandpercentagecontentofmineralsgraIluleareofferedControllingrole

3、ofmineraltosedimentgeochemistryisdiscussedSoassemblageprovincesareprocessedfor1ight，hea、，)randdetritalmineralsProvenanceofmineralsisdiscussedAt也eendamodeofdiscriminantanalysis凡nctionisfbrmedfbrproVenanceofdetritalmineral

4、sMeancontentofdetritalmineraIis154％ofsedimentweightHeavymineralcontentrallges行omO04％to4196％intlledetritalmineralwei曲t，anditsmeaIlcontentsare766％inthe咖dyarea，62％i11SoumYellowSea，995％innortllemEastChinaSeaHeavymineralsared

5、iagnosed45speciesinthestudyarea，tllerearet11reecategorymineralsofhi曲content，whichareanlphibolegroup(3829％)，印idote伊oup(1778％)，metallicminerals(1288％)Thecontentsof恤eeca鈀gorymiheralsare6895％ofallheavymineralscontentBystudyi

6、ng，diagnosticmineralsareauthigenicpyrite，gamet，sphene，potashfeldspara11dquanzinSoumYjllowSeashelfAndcomentoflightmineralishigherthallthatofnor七hemshelfofEastChinaSeaLi出mineralismainlvrichinnorthemshelfofSoutllYbllowSeaal

7、ldisinclinedtodeclinillgsou也wardshelfIncontrastinganlphibolegroup，metallicminerals，met蛐。巾hicminerals，plagioclaseaIldcalcitearediagnosticmineralsinEastChinaSeashelf，in也iszonewherehea、rymineralcontentismuchhi曲er，a11disrich