遼寧阜蒙中生界火山巖覆蓋區(qū)典型鐵礦研究及遠景預(yù)測
發(fā)布時間:2018-05-12 14:08
本文選題:阜蒙地區(qū) + 查馬屯鐵礦。 參考:《吉林大學(xué)》2016年碩士論文
【摘要】:本文以遼寧阜蒙地區(qū)中生界火山巖覆蓋區(qū)為研究對象,通過對區(qū)域地質(zhì)背景、地球物理特征、典型礦床的分析,結(jié)合野外地質(zhì)及物探磁異常反演解譯成果,運用creatar建模平臺,構(gòu)建阜蒙地區(qū)三維地質(zhì)結(jié)構(gòu)模型、典型礦床——查馬屯鐵礦三維地質(zhì)結(jié)構(gòu)模型。進行綜合、集成研究,對比分析,提取成礦、控礦要素,確定其空間分布、結(jié)構(gòu)等之間的相互關(guān)系,運用三維地質(zhì)結(jié)構(gòu)模型,預(yù)測成礦遠景區(qū),為進一步圈定深部遠景區(qū)奠定基礎(chǔ)。遼寧阜蒙地區(qū)多為中生界火山巖及第四系覆蓋,下覆多為太古界地層,而太古界地層正是沉積—變質(zhì)型鐵礦(鞍山式鐵礦)的附礦層位。由于太古界地層多被覆蓋,因此本區(qū)存在鐵礦多為隱伏礦體,受中生界火山巖的影響,該區(qū)找礦工作難度較大,鐵礦資源未能得到有效開發(fā)利用。本次利用三維建模技術(shù)重點構(gòu)建該區(qū)三維地質(zhì)模型及典型礦床三維地質(zhì)模型,為該區(qū)鐵礦找礦工作提供技術(shù)支持,使該區(qū)鐵礦資源得到開發(fā)利用。
[Abstract]:In this paper, the Mesozoic volcanic rock overlying area in Fumeng area, Liaoning Province is taken as the research object. Through the analysis of regional geological background, geophysical characteristics, typical deposits, combined with the results of inversion interpretation of field geology and geophysical magnetic anomalies, the creatar modeling platform is used. Three dimensional geological structure model of Fumeng area and three dimensional geological structure model of typical ore deposit-Chamakun Iron Mine are constructed. Comprehensive, integrated research, comparative analysis, extraction of ore-forming elements, ore-control elements, determination of their spatial distribution, structure and other mutual relations, using three-dimensional geological structure model, to predict the metallogenic scenic area, For the further delineation of deep scenic spots lay the foundation. Mesozoic volcanic rocks and Quaternary strata cover most of Fumeng area, Liaoning Province, and Archean strata are covered by the lower strata, which are the secondary strata of sedimentation-metamorphic iron ore (Anshan iron ore). Because the Archaean strata are mostly covered, there are many iron ore bodies in this area, which are influenced by Mesozoic volcanic rocks, so the prospecting work in this area is difficult and the iron ore resources can not be effectively exploited and utilized. In this paper, 3D geological model and typical deposit 3D geological model are constructed by using 3D modeling technology, which provides technical support for ore prospecting in this area and makes iron ore resources in this area be exploited and utilized.
【學(xué)位授予單位】:吉林大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2016
【分類號】:P618.31
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