本文關(guān)鍵詞： 月球靜海地區(qū) 線性構(gòu)造 自動提取 演化模型 隕石沖擊　出處：《中國地質(zhì)大學(北京)》2015年碩士論文　論文類型：學位論文

【摘要】：月球表面所呈現(xiàn)的構(gòu)造特征對于理解并進一步重建其地質(zhì)構(gòu)造演化具有極其重要的研究意義,其中線性構(gòu)造是一種極為重要的構(gòu)造現(xiàn)象,主要分布在月海區(qū)域,極少數(shù)分布在月陸。線性構(gòu)造在月球表面的分布狀況通常與月球的內(nèi)動力地質(zhì)作用有著密切的關(guān)系。非常稀少的樣品和幾乎不可能實現(xiàn)的野外勘察使得遙感技術(shù)成為行星科學研究的極為有利的手段。中國、日本、美國、印度等幾個國家先后發(fā)射的多顆新型的探測月球的衛(wèi)星獲取了許多高質(zhì)量的遙感影像數(shù)據(jù),為我們研究月表構(gòu)造提供了很大的幫助。本文以月球靜海地區(qū)為例,利用我們已有影像數(shù)據(jù),其中包括CE-1的120m CCD影像數(shù)據(jù)、500m分辨率激光高度計數(shù)據(jù)、100m分辨率LROC數(shù)據(jù)和60m分辨率的LOLA數(shù)據(jù),吸取前人將地形曲率的原理應用于地球上線狀地物和線性構(gòu)造提取的經(jīng)驗,嘗試將這一原理應用于月表靜海地區(qū)線性構(gòu)造的自動提取,取得良好效果。同時,根據(jù)月表線性構(gòu)造的形態(tài)建立遙感解譯標志,對提取結(jié)果進行分類統(tǒng)計,進而分析其成因和演化過程,建立演化模型。靜海盆地內(nèi)部對其演化過程中所造成巨大影響的線性構(gòu)造主要有月嶺、月溪、地塹和垮塌構(gòu)造。研究結(jié)果表明,靜海地區(qū)的月溪月嶺大部分分部在西部高程較低的區(qū)域;靜海盆地月溪的形成時間與盆地形成及玄武巖的填充時間大致相同,月嶺的形成時間大致與撞擊坑的形成時間相同;靜海盆地中一端延伸至撞擊坑的月嶺形成模型屬于火山成因模型中的堤壩模型;地塹是無彈性的底層上面易破碎的有彈性的地層過度拉伸的結(jié)果,其形成的過程中發(fā)生了兩次同時或不同時的斷裂;垮塌構(gòu)造是在隕石撞擊月球表面形成撞擊坑的時候在撞擊坑的內(nèi)壁形成的環(huán)撞擊坑的線性構(gòu)造,其一般出現(xiàn)在較復雜的大型撞擊坑內(nèi),并且呈批出現(xiàn)。這一研究將有助于進一步了解靜海地區(qū)一定時期內(nèi)的演化過程及構(gòu)造因素對其形成中的影響,從而加深對月球表面整個演化過程的認識。
[Abstract]:The structural characteristics of the lunar surface are of great significance for understanding and further reconstructing the geological evolution of the lunar surface, among which linear tectonics is an extremely important tectonic phenomenon, which is mainly distributed in the lunar sea area. The distribution of linear structures on the surface of the moon is usually closely related to the lunar internal dynamic geology. Very few samples and almost impossible field surveys make remote sensing technology. To become an extremely advantageous means of planetary science. A number of new lunar exploration satellites launched by Japan, the United States, India and other countries have acquired a lot of high-quality remote sensing image data, which provides a great help for us to study the structure of the lunar surface. In this paper, we take the still sea area of the moon as an example. Using our existing image data, including 120m CCD image data of CE-1 and 500m resolution laser altimeter data, 100m resolution LROC data and 60m resolution LOLA data are used. Based on the previous experience of applying the principle of topographic curvature to the extraction of linear ground objects and linear structures on the earth, this paper attempts to apply this principle to the automatic extraction of linear structures in the area of the monthly surface of the still sea, and obtains good results. According to the shape of the linear structure of the moon table, the remote sensing interpretation marks are established, the extraction results are classified and counted, and the origin and evolution process are analyzed. The linear structures which have great influence on the evolution process of Jinghai basin are mainly Yueling, Yuexi, graben and collapse structure. Most of the Yuexiyue Ridge in Jinghai area is located in the area with lower elevation in the west, the formation time of Yuexi in Jinghai Basin is approximately the same as that of basin formation and basalt filling, and the formation time of Yueling Ridge is approximately the same as that of impact crater. The lunar ridge formation model extending from one end of the Jinghai basin to the crater belongs to the embankment model in the volcanic genesis model, and the graben is the result of excessive stretching of the elastic stratum on the inelastic bottom. Two simultaneous or different faults occurred during its formation; the collapse structure is the linear structure of the ring crater formed on the inner wall of the crater when the meteorite hits the surface of the moon. This study will contribute to the further understanding of the evolution process in the Jinghai area and the influence of tectonic factors on its formation during a certain period of time. So as to deepen the understanding of the whole evolution process of the lunar surface.
【學位授予單位】：中國地質(zhì)大學(北京)
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：P184.5

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本文編號：1538786