文档介绍：【doc】沂沭断裂带中段金矿构造控矿规律研究沂沭断裂带中段金矿构造控矿规律研究第28卷第3期2011年9月河北工程大学(自然科学版)JournalofHebeiUniversityofEngineering(NaturalScienceEdition):1673—9469(2011)03—0047—05沂沭断裂带中段金矿构造控矿规律研究刘昊,石义远,徐静(,河北邯郸056038;,山东泰安271000)摘要:通过对沂沭断裂带中段地层产状,岩性,构造节理的野外勘察,室内镜下观察鉴定和样品测试分析,运用最新的大地构造理论对该区成矿背景综合研究,,而是作为控矿构造,控制矿床的产出状态,(旋回)和倒N字型断裂组合形态,在其伴生的次级断裂带之间也存在有次级旋回,:沂沭断裂带;韧性剪切带;脆性断裂;控矿构造;梯度性中图分类号::AResearchonthestructuralore——controllingregularitiesofgolddepositinmid——segmentoftheYishuRiverfaultzoneLIUHao,SHIYi-y1J,XUJing(,HebeiUniversityofEn~neering,HebeiHandan056038,China;,ChinaChemicalGeologyandMineBureau,ShandongTaian271000,China)Abstract:Thestructuralore——controllingregularitiesinmid——segmentofYishuRiverfaultzonewassum—ordingtotheattitudeofstratum,thelithologyandthetectonicjointinthefieldsurvey,andthemicroscopicallyobservation,,andtheductileshearbeltactsasthemainore—controllingstruc—,whichisfierceandsuperposedtec——controllingregularityisthatthegoldcontrolledgradient——controllingstructurewhichderivativesfromtheYishuRiverfaultzoneshowsductility—transition—brittleevolutionrules(geocyclic)fromeasttowest,bi—nationconfigurationshowslikeafall"N".Associatedstructureshowsassociatedgeocyclicandc0nstitutelawleveltectonicasso