成矿系统及综合地质异常

13119993GEOSCIENCEJournalofGraduateSchool,ChinaUniversityofGeosciencesVol113No11Mar.1999:199812103(:952239952225)(:952022013)(:9501107)3(100083),,(),,,4:;;;,P612,,,1,,,,,,21,,,,,,[1,2],,,(),,,,,,,,,,,,,,,,,,,,,,2,,,,[3][4],:,,,[5],()4,,,211(1),;(2),,;(3),,;(4),,(n103n104km2);,,104106a;(5)(3Dt),,;(6),212:(1):,(),(),,,(2):(3):(4):,,,(5):,,,:(1)();(2)(/);(3)(,);(4)()(TpfO2),,,,213:(1):,,()[6],CuMo(Au),,()();()();,,,(2):,(),(00119991Fig11Basicstructureofore2formingsystem),,13,,,:()(/),:(1):,()(2):,/,,(3):,,()()(,)()(,)(2),,,,,,,,;TpfO2EhpH,,,,()(1011:2Fig12Ore2formingsystemandmodelofcomprehensivegeo2anomalyofmineraldeposits)(,),,,(),,,,,[7],,;(),,,,,,,,,,,,(),[8],;();,4,(),,,,,?(1)1/201/52011999,,,,(2),:,,,:::,,,,(3),,,(4),,,(5),,,,,,,()[911],4:(1):,,/(2):(),,(3):,,,(4):,,,,,,,,,()1,11,1991,16(3):2412482,,,11,1995,20(2):117127311:,1998.123411119921477551.11:,199817697786,,,11:,19961192711,29301:,199312672733011:8,,,1()1:,199211771879,,,11:,19961011,1997,12(3):11011,11:,1992ORE2FORMINGSYSTEMANDCOMPREHENSIVEGEO2ANOMALYZhaiYushengDengJunCuiBinDingShijiangPengRunminWangJianpingYangLiqiang(ChinaUniversityofGeosciences,Beijing,100083)AbstractComprehensivegeo2anomalyofmineraldepositsisamainkindofore2formingindicator.Afterthediscrip2tionoftheore2formingsystemidea,theauthorsdiscusstherelationshipbetweenthegeo2anomalyandore2formingsystemandsomeconceptsabouttheoresourcefieldanomaly,theore2bearingfluidpassagewayanomalyandtheoretrapanomalyareputforward.Theauthorspresentalsothemethodsforstudyingthecomprehensivegeo2anomaly.BasedonsystematicresearchonthegolddepositsinJiaodongdistrictandcopperdepositsinnorthwestJiangxiProvince,fouranomalybeltswithmoresignificantinfindingofhydrothermaloredepositsaresummarized,namely:(1)concentratedanomalybelt,(2)abruptanomalybelt,(3)com2positedanomalybeltand(4)superimposedanomalybelt.Atfinal,theauthorsemphasizethatthecarefullystudiesofore2controllingfactorsandmineralizingstylesofprospectingareaarethekeyprobleminappraisinggeo2anomalyandmineraldepositprognosis.Keywords:ore2formingsystem,comprehensivegeo2anomaly,geochemicalanomaly,geophysicanomaly,mineraldepositprognosis4011999