本文選題：多金屬礦 + 成礦特征　； 參考：《遼寧工程技術(shù)大學(xué)》2015年碩士論文

【摘要】：針對有色金屬在人民生活中占有的重要地位,尤其是銅、銀、鉛、鋅等多金屬是各個行業(yè)不可或缺的重要原料,隨著國民經(jīng)濟(jì)的發(fā)展和國內(nèi)外市場需求的增大,對有色金屬資源的勘探尤為緊迫。而內(nèi)蒙古太基敖包南礦區(qū)位于大興安嶺多金屬、貴金屬礦成礦帶,礦產(chǎn)資源豐富,具有較大的找礦潛力。因此有必要在該區(qū)開展礦床地質(zhì)特征及成礦預(yù)測的研究。本文在收集前人研究成果的基礎(chǔ)上對內(nèi)蒙古太基敖包南多金屬礦進(jìn)行了礦床成因與控礦地質(zhì)因素等研究,結(jié)合激電中梯測量結(jié)果、土壤地球化學(xué)測量結(jié)果及礦體礦石特征研究分析,探討了該區(qū)多金屬礦的成礦規(guī)律、礦床成因,并建立了成礦模式,對區(qū)內(nèi)成礦遠(yuǎn)景區(qū)進(jìn)行預(yù)測。得出太基敖包南多金屬礦屬于熱液充填型多金屬礦床,主要成礦時(shí)間為173～140Ma,即中侏羅世—晚侏羅世；主要產(chǎn)于燕山早期花崗斑巖體中的構(gòu)造蝕變裂隙帶內(nèi),以裂隙充填為主,其中構(gòu)造裂隙帶成群分布特征明顯,將區(qū)內(nèi)分為Ⅰ號礦段西南部、東北部礦化帶及Ⅱ號礦段中部礦化帶三個礦化帶；礦石構(gòu)造主要為細(xì)脈、網(wǎng)脈狀；與礦化有關(guān)的圍巖蝕變主要有硅化—黑云母化—絹云母化蝕變帶(內(nèi)帶),綠泥石化蝕變帶(中帶),碳酸鹽化—螢石化蝕變帶(外帶)。區(qū)內(nèi)圈出兩個成礦靶區(qū),分別為南部A號多金屬找礦遠(yuǎn)景區(qū)、中部B號北西向多金屬找礦遠(yuǎn)景區(qū)。
[Abstract]:Non-ferrous metals play an important role in people's lives, especially copper, silver, lead, zinc and other polymetallic materials. With the development of national economy and the increasing demand of domestic and foreign markets, The exploration of nonferrous metal resources is particularly urgent. The Taijiaobonan mining area in Inner Mongolia is located in the Daxing'anling polymetallic, precious metal metallogenic belt, rich in mineral resources, with great prospecting potential. Therefore, it is necessary to study the geological characteristics and metallogenic prediction of ore deposits in this area. In this paper, based on the previous research results, the ore deposit genesis and ore-controlling geological factors of Taiji Aobonan polymetallic ore deposit in Inner Mongolia are studied. Soil geochemical survey results and ore ore characteristics of ore bodies are studied. The metallogenic regularity and genesis of polymetallic deposits in this area are discussed, and the metallogenic model is established to predict the metallogenic prospective areas in this area. It is concluded that the Taijiaobonan polymetallic deposit belongs to the hydrothermal filling type polymetallic deposit, the main metallogenic time is 1730.140 Ma, that is, the middle Jurassic-late Jurassic, and mainly occurs in the structural alteration fissure zone of the early Yanshanian granitic porphyry, and is mainly filled with fissures. The tectonic fissure zone is divided into three mineralization zones: southwest of No. 1 ore segment, northeast mineralization zone and central mineralization zone of No.2 ore segment, and the ore structure is mainly vein-like and net-vein. The main wall rock alteration related to mineralization are silicitization biotite sericite alteration zone (inner zone) green mud petrochemical alteration zone (middle zone) carbonation-fluorite alteration zone (outer zone). There are two ore-forming target areas in the area, one is the southern A polymetallic prospecting area, the other is the central B north-west polymetallic prospecting area.
【學(xué)位授予單位】：遼寧工程技術(shù)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：P618.2

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