本文選題：鍋廠穹窿 + GOCAD��； 參考：《成都理工大學(xué)》2017年碩士論文

【摘要】：鍋廠穹隆位于貴州省西北部,距省會(huì)貴陽(yáng)市約150km(直距),行政區(qū)劃位于畢節(jié)地區(qū)大方縣,研究區(qū)域?qū)儆趯贀P(yáng)子地臺(tái),區(qū)內(nèi)研究區(qū)褶皺構(gòu)造發(fā)育,數(shù)量眾多。西北部地區(qū)褶皺軸向?yàn)楸睎|向,軸跡方位50—60o之間,從褶皺的變形程度看,以平緩-開(kāi)闊褶皺為主。研究區(qū)其他地區(qū)褶皺軸向主要為南北向及北北東向,軸跡方位0~20o之間,從褶皺的變形程度看,以開(kāi)闊褶皺為主,以鍋廠穹窿、平寨穹隆最為典型。鍋廠穹窿位于黔北臺(tái)隆北緣,緊臨北端坳陷區(qū)。鍋廠穹隆研究區(qū)出露的地層主要有二疊系及三疊系地層。通過(guò)對(duì)大量野外資料分析及室內(nèi)資料的整理并結(jié)合區(qū)域地質(zhì)資料和野外地質(zhì)調(diào)查,研究區(qū)的地質(zhì)發(fā)展歷史分為四個(gè)階段:揚(yáng)子地臺(tái)基底形成階段、揚(yáng)子地臺(tái)蓋層發(fā)展階段、陸相盆地演化階段、喜馬拉雅期褶皺造山演化階段。研究區(qū)域前人雖然做過(guò)離開(kāi)大量的工作,但與之相關(guān)的三維地質(zhì)模型卻少之又少。因此,筆者期望通過(guò)對(duì)鍋廠穹隆進(jìn)行三維模型的建立,作為對(duì)鍋廠穹隆及響水區(qū)域的研究的參考依據(jù)。筆者主要利用GOCAD三維地質(zhì)建模軟件對(duì)鍋廠穹隆進(jìn)行三維建模,GOCAD軟件插值計(jì)算的方法主要是利用DIS方法,同時(shí)可以自由選擇和自動(dòng)改變網(wǎng)格模型。三維模型可以通過(guò)Model3d和SGrid兩種方法來(lái)完成,但兩者的原理不同,各有各的優(yōu)缺點(diǎn)。該軟件建立的三維地質(zhì)模型可以通過(guò)其所提供的功能對(duì)地質(zhì)實(shí)體進(jìn)行分析,軟件的分析主要功能包括:Z軸縮放、旋轉(zhuǎn)、分散、揭蓋、個(gè)體展示、三維圖切空心剖面、地形圖、二維地質(zhì)圖及遙感圖投影等。由于鍋廠穹隆研究區(qū)域缺乏地球物理數(shù)據(jù),所以模型建立的過(guò)程中筆者主要還是利用二維地質(zhì)圖、地質(zhì)界面產(chǎn)狀、實(shí)測(cè)剖面、圖切剖面等控制鍋廠穹隆深部特征,在此基礎(chǔ)上完成模型的建立。通過(guò)對(duì)鍋廠穹窿進(jìn)行不同深度不同方向的空心剖面,分析出鍋廠穹隆的平面延伸情況及深部具體幾何特征和構(gòu)造特征。最后,通過(guò)三維模型對(duì)鍋廠穹隆兩翼二疊系龍?zhí)督M的煤礦面積和體積進(jìn)行計(jì)算及深部形態(tài)特征進(jìn)行解譯。
[Abstract]:The pot factory dome is located in the northwest of Guizhou province, about 150km from the provincial capital Guiyang city. The administrative division is located in Dafang county, Bijie area. The research area belongs to the Yangtze platform. The axial direction of the fold in northwestern China is north-east, and the axial direction is 50-60o. From the degree of deformation of the fold, it is mainly flat-open fold. In other areas of the study area, the axial direction of the fold is mainly from the north to the north and the north to the east, and the axial direction is between 0 and 20 o. From the degree of deformation of the fold, the main fold is open fold, the main fold is the pot factory dome, and the Pingzhai dome is the most typical. The Kuanchang dome is located in the northern margin of Taitung in northern Guizhou, and is close to the northern depression. There are Permian and Triassic strata in Kuokang Dome study area. Based on the analysis of a large amount of field data and indoor data, combined with regional geological data and field geological investigation, the geological development history of the study area is divided into four stages: the stage of the formation of the Yangtze platform basement, the stage of the development of the Yangtze platform caprock. The stage of continental basin evolution and Himalayan fold orogenic evolution. Although the former researchers have done a lot of work, there are few 3D geological models. Therefore, the author expects to establish a three-dimensional model of the pot plant dome as a reference for the study of the pot plant dome and the region of rattling water. The author mainly uses GOCAD 3D geological modeling software to carry out the 3D modeling of the pot plant dome. The interpolation method is mainly using DIS method, and the mesh model can be freely selected and automatically changed. The 3D model can be completed by Model3D and SGrid, but their principles are different, and each has its own advantages and disadvantages. The 3D geological model established by the software can be used to analyze geological entities through the functions it provides. The main functions of the software include: Z axis scaling, rotation, dispersion, uncovering, individual display, 3D map cutting hollow section, topographic map. Two-dimensional geological map and remote sensing map projection, etc. Due to the lack of geophysical data in the study area of the pot plant dome, the author mainly uses the two-dimensional geological map, the occurrence of the geological interface, the measured section, the map section, and so on to control the deep characteristics of the pot dome in the process of establishing the model. On this basis, the establishment of the model is completed. Through the hollow section of the pot factory dome with different depth and different directions, the plane extension of the pot factory dome and the specific geometric and structural characteristics of the deep part are analyzed. Finally, the area and volume of the coal mine and the deep morphological characteristics of the Longtan formation of the Permian system on the two wings of the Dome of the Kuoliang Dome are calculated and interpreted by a three-dimensional model.
【學(xué)位授予單位】：成都理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：P542

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