本文選題：雞冠山　切入點(diǎn)：成礦規(guī)律　出處：《遼寧工程技術(shù)大學(xué)》2015年碩士論文

【摘要】：遼寧鳳城市雞冠山地區(qū)地處遼東-吉南成礦帶中部,大地構(gòu)造單元位于中朝準(zhǔn)地臺(tái)(I級(jí))膠遼臺(tái)隆(II級(jí))營(yíng)口—寬甸臺(tái)拱(III級(jí))鳳城凸起(IV級(jí))。雞冠山地區(qū)的主體位于遼東大裂谷內(nèi),遼河群古元古界巖漿巖、變質(zhì)巖系廣泛發(fā)育。區(qū)內(nèi)硼鐵礦、銅鉛鋅礦、金礦等礦床豐富且成礦地質(zhì)條件優(yōu)越,本區(qū)賦礦地層主要為古元古代遼河群的里爾裕含硼鐵巖組；賦含鉛鋅的高家峪巖組、大石橋巖組；賦含金銅鉛鋅的蓋縣碎屑巖組。濱太平洋斷裂體系是區(qū)內(nèi)明顯的控礦構(gòu)造標(biāo)志,中生代北東向李家堡子斷裂與中、上元古代北東向雞冠山大斷裂是區(qū)內(nèi)成礦的重要構(gòu)造標(biāo)志。遼東大裂谷是在古元古代發(fā)育的克拉通裂谷并且控制著雞冠山研究區(qū)內(nèi)硼鐵礦、銅鉛鋅礦和金礦等的分布。裂谷內(nèi)分離優(yōu)地槽內(nèi)帶和冒地槽外帶的MZ分界線作為基底斷裂帶控制了區(qū)內(nèi)鉛鋅礦的分布；區(qū)內(nèi)多期多方式運(yùn)動(dòng)斷層控制中生代斷陷盆地和部分巖體、礦床的分布,成為形成金礦的重要構(gòu)造標(biāo)志。通過(guò)分析研究區(qū)的區(qū)域地質(zhì)概況、區(qū)域構(gòu)造演化過(guò)程而進(jìn)行區(qū)內(nèi)大地構(gòu)造環(huán)境類型、構(gòu)造演化過(guò)程、成礦機(jī)制和成礦規(guī)律研究。在研究總結(jié)區(qū)內(nèi)硼鐵礦、銅鉛鋅礦、金礦的成礦規(guī)律及成礦演化過(guò)程后結(jié)合地質(zhì)礦產(chǎn)、地球物理、地球化學(xué)信息,以控礦因素、控礦標(biāo)志作為研究對(duì)象,通過(guò)直接、間接找礦信息,建立了礦產(chǎn)資源綜合信息找礦模型。最終圈定石廟—?jiǎng)⒓液优稹㈣F多金屬礦成礦遠(yuǎn)景區(qū)、湯溝—秋木莊銅鉛鋅多金屬礦成礦遠(yuǎn)景區(qū)、四道溝—腰溝金銀多金屬礦成礦遠(yuǎn)景區(qū),并對(duì)成礦遠(yuǎn)景區(qū)進(jìn)行了評(píng)價(jià)。
[Abstract]:The Jiguanshan area of Fengcheng City, Liaoning Province is located in the middle of the Liaodong-Jinan metallogenic belt. The geotectonic unit is located in the Sino-Korean quasi platform I class) Jiaoliaotai uplift class II) Yingkou-Kuandian platform arch class III) Fengcheng uplift grade IV.The main body of Jiguanshan area is located in the large rift valley of eastern Liaoning. The paleoproterozoic magmatic rocks of Liaohe Group are widely developed in metamorphic rock series.Gaixian clastic formation with gold, copper, lead and zinc.The Liaodong Great rift is a craton rift developed in the Paleoproterozoic and controls the distribution of boron ore, copper-lead-zinc and gold deposits in the Jiguanshan study area.The distribution of lead-zinc ore in the rift is controlled by the MZ dividing line between the internal zone of the rift and the outer belt of the faulting belt, and the distribution of the Mesozoic faulted basins and part of the rock bodies is controlled by the multi-stage and multi-mode fault movement in the area, and the distribution of the deposits is controlled by the MZ dividing line of the inner zone and the outer belt of the faulting.It has become an important structural symbol for the formation of gold deposits.By analyzing the general situation of regional geology and the process of regional tectonic evolution, the types of tectonic environment, the process of tectonic evolution, the metallogenic mechanism and the metallogenic regularity in the study area are studied.After studying and summing up the metallogenic regularity and metallogenic evolution of boron ore, copper-lead-zinc ore and gold deposit, combining geological and mineral resources, geophysical and geochemical information, taking ore-controlling factors and ore-controlling marks as research objects, through direct,Finally, Shimiao-Liujiahe boron, iron polymetallic ore metallogenic area, Tanggou-Qiumuzhuang copper-lead-zinc polymetallic ore area and Sidaogou-yaogou gold-silver polymetallic ore metallogenic area are delineated, and the metallogenic prospect area is evaluated.
【學(xué)位授予單位】：遼寧工程技術(shù)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：P618.2

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本文編號(hào)：1714564