新疆拜城察爾其銅礦床地質(zhì)特征及經(jīng)濟技術評價
本文選題:地質(zhì)特征 切入點:礦體特征 出處:《成都理工大學》2017年碩士論文
【摘要】:新疆拜城察爾其銅礦地處阿克蘇地區(qū)拜城縣察爾齊鎮(zhèn)境內(nèi),開采歷史悠久。礦床位于庫車盆地的北緣,銅礦山背斜北翼,整體地勢西高東低。礦床產(chǎn)于新近系康村組一套碎屑巖中,為典型新生代陸相層控砂巖型銅礦床。區(qū)域上,該套地層中發(fā)育眾多砂巖型銅礦化,指示總體上成礦前景較好。本文以新疆拜城察爾其銅礦礦床地質(zhì)特征、礦體特征作為主要的研究對象,在此基礎上分析該礦床開發(fā)的經(jīng)濟意義。論文以礦床學、礦物巖石學、礦山地質(zhì)技術、金屬礦山開采及礦產(chǎn)資源經(jīng)濟學等作為理論指導,結合本次野外地質(zhì)調(diào)查(地質(zhì)填圖、實測剖面以及探槽、鉆探)和實驗室測試分析,在前人研究的理論基礎上采用多種分析測試手段,研究該礦床礦層巖性組合特征、礦體的品位、厚度、礦物巖石組合特征、礦石的結構構造等,進而分析該礦床的成因類型。研究表明,新疆拜城察爾其銅礦有三個(A、B、C)主要含礦層位,礦層的厚度、品位相對穩(wěn)定,各層位之間保持固定距,含礦巖層巖性組合為紅褐色、雜色中細粒-中粗粒砂巖,礦層形態(tài)為層狀或似層狀。組成銅礦石的有用礦物種類很多,在整個含銅砂巖層位中,由上而下的組合依次為:(1)赤鐵礦、褐鐵礦組合;(2)黃鐵礦、輝銅礦組合;(3)方鉛礦、輝銅礦和赤鐵礦組合;(4)赤鐵礦、輝銅礦組合;(5)輝銅礦、黃鐵礦組合;(6)赤鐵礦、褐鐵礦組合,由北向南也有類似的分布規(guī)律。礦石結構構造多為粒狀結構。礦體圍巖無明顯的蝕變現(xiàn)象,礦石礦物以赤銅礦為主。本文在基本查明新疆拜城察爾其銅礦地質(zhì)特征、礦山開發(fā)技術條件、選礦試驗、項目開發(fā)利用背景等礦山建設的基本條件基礎上,依照國家規(guī)范,結合市場情況及業(yè)主要求,對未來礦山的建設規(guī)模、產(chǎn)品方案、開采方案、選礦方案、尾礦庫及設備選型方案等礦山主要環(huán)節(jié)進行了初步規(guī)劃,并通過相關因素的歸納、分析,計算了礦山開發(fā)投資有關的主要經(jīng)濟指標,進而幫助研判該礦的開發(fā)利用價值狀況。
[Abstract]:Bicheng Chaerqi Copper Mine, Xinjiang, is located in Chaerqi Town, Baicheng County, Aksu region, with a long history of mining. The deposit is located on the northern edge of Kuqa Basin and on the north wing of the Copper Mine anticline. The deposit occurs in a set of clastic rocks of the Kangcun formation of Neogene and is a typical Cenozoic continental stratabound sandstone type copper deposit. In this paper, the geological characteristics and orebody characteristics of the Bicheng Chaerqi copper deposit in Xinjiang are taken as the main research objects, and the economic significance of the development of the deposit is analyzed. Mine geological technology, mining of metal mines and economics of mineral resources as theoretical guidance, combined with the field geological survey (geological mapping, measured profiles and grooves, drilling) and laboratory test and analysis, On the basis of the theories studied by predecessors, the characteristics of ore bed lithology assemblage, ore body grade, thickness, mineral rock assemblage, ore structure and so on are studied by various means of analysis and test. The genetic types of the deposit are further analyzed. The results show that there are three main ore-bearing strata in Bicheng-Chaerqi Copper Mine, Xinjiang, the thickness and grade of the ore-bed are relatively stable, the interval between the layers remains fixed, and the lithologic assemblage of the ore-bearing strata is reddish brown. In variegated medium fine grained and medium coarse grained sandstone, the ore formation is stratiform or stratiform. There are many useful minerals that make up copper ore. In the whole copper-bearing sandstone formation, the top-down assemblages are: 1) hematite, and 2) limonite) pyrite. The chalcocite assemblage is composed of galena, chalcocite and hematite, hematite, chalcocite, pyrite, pyrite, and limonite, respectively. There is a similar distribution pattern from north to south. The ore structure structure is mostly granular structure. There is no obvious alteration phenomenon in the surrounding rock of ore body, and the ore mineral is mainly hematite. The geological characteristics of the ore deposit in Bicheng Chaerqi, Xinjiang, are basically investigated in this paper. On the basis of the basic conditions of mine construction, such as technical conditions for mine development, ore dressing tests, background of project development and utilization, and in accordance with the national norms, combined with the market situation and the requirements of the owners, the construction scale, product scheme and mining plan of the future mines shall be reviewed. The main aspects of mine, such as dressing scheme, tailings reservoir and equipment selection scheme, are preliminarily planned, and the main economic indexes related to mine development investment are calculated through induction and analysis of relevant factors. Thus, it helps to study the value of exploitation and utilization of the mine.
【學位授予單位】:成都理工大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TD862.1;P618.41
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