本文選題：潮汐力 + 月嶺��； 參考：《中國地質(zhì)大學(xué)(北京)》2012年碩士論文

【摘要】：線性構(gòu)造是指月表以線狀延伸的構(gòu)造現(xiàn)象,與環(huán)形構(gòu)造相比,線性構(gòu)造能夠反映全月球或者區(qū)域性的構(gòu)造特征與應(yīng)力狀態(tài),甚至能夠反映月球內(nèi)部的地質(zhì)信息。月嶺作為月表最常見的線性構(gòu)造類型之一,分布數(shù)量最多且具有一定的分布規(guī)律,也一直是國內(nèi)外關(guān)于月表構(gòu)造研究的重點。月海盆地因其與月表大部分線狀構(gòu)造有著明顯的共生關(guān)系,分析其玄武巖噴發(fā)歷史和構(gòu)造作用,對于了解月球演化有著重要的意義。本論文的主要內(nèi)容及成果如下： (1)利用國內(nèi)外多源遙感數(shù)據(jù)并結(jié)合相關(guān)文獻對月表的線狀構(gòu)造進行了分類和解譯,將月表線狀構(gòu)造分為了10種,并分別對各類成因進行了綜合分析。通過利用LRO的DEM數(shù)據(jù)重點對月嶺剖面并進行了構(gòu)造分析,認為月嶺主體為逆沖斷層疊加牽引褶皺的擠壓構(gòu)造形成機制。 (2)關(guān)于月嶺構(gòu)造的動力成因,前人多用月海盆地沉降疊加月球熱能收縮解釋月嶺的成因,但它無法解釋盆地中央月嶺呈近南北向的優(yōu)選方位,這種現(xiàn)象可能是受到近東西向區(qū)域性擠壓應(yīng)力的影響,與潮汐力對月球中低緯度區(qū)域的應(yīng)力作用狀態(tài)相符,推測潮汐力可能是其形成的主因；綜合利用嫦娥一號CCD影像數(shù)據(jù)、Lunar Orbiter和LRO影像數(shù)據(jù),解譯識別出月球正而中低緯度1464條月嶺,對其進行方向統(tǒng)計結(jié)果表明,月嶺整體走向也與Melosh預(yù)測的在潮汐力作用下形成的構(gòu)造樣式相似。由此推測,月嶺的展布與潮汐作用力具有很強的相關(guān)性,進而,進一步論證了月嶺的形成與潮汐力有關(guān)。 (3)以澄海和靜海兩個相連通盆地為研究區(qū)通過對LRO的DEM數(shù)據(jù)進行處理,獲得兩個月海的地形特征。基于clementine多光譜數(shù)據(jù)處理提取Ti02、FeO百分含量和成熟度分布圖。經(jīng)過對嫦娥一號CCD影像數(shù)據(jù)并結(jié)合LRO和LO全色波段影像的解譯,提取了研究區(qū)126條月嶺和114條月溪,并對比clementine提取的重力分布圖,對其展布形式進行研究。綜合分析結(jié)果表明,兩個盆地雖然相鄰連通,但巖性和構(gòu)造分布有著明顯的差別,玄武巖噴發(fā)不同期次界限明顯,且澄海玄武巖年齡普遍晚于靜海,相通處玄武巖與靜海北部玄武巖同源。澄海中的線狀構(gòu)造展布形式與靜海中的明顯不同,呈現(xiàn)出一定規(guī)律,與質(zhì)量瘤的有無及重力展布形式有關(guān)。
[Abstract]:Linear structure refers to the linear extension of the lunar surface. Compared with the annular structure, the linear structure can reflect the tectonic characteristics and stress state of the whole moon or region, and even reflect the geological information of the lunar interior. As one of the most common linear structures on the monthly surface, Yueling has the largest number of distributions and has a certain distribution law, which has always been the focus of the research on the monthly surface structure at home and abroad. Because the Yuehai Basin has obvious symbiotic relationship with most of the linear structures on the lunar surface, it is of great significance to understand the evolution of the moon by analyzing its basalt eruption history and tectonics. The main contents and results of this thesis are as follows: 1) the linear structures of the lunar table are classified and interpreted by using the multi-source remote sensing data at home and abroad and combined with the relevant literature. The linear structures of the lunar surface are divided into 10 types and the causes of each kind of formation are analyzed synthetically. By using the DEM data of LRO to focus on the Yueling section and structural analysis, it is considered that the main body of Yueling is the compressional structure formation mechanism of thrust fault superimposed traction fold. (2) as to the dynamic origin of the Yueling structure, most predecessors used the subsidence of the Yuehai basin to superimpose the thermal energy contraction of the moon to explain the origin of the lunar ridge, but it could not explain the preferred position of the central lunar ridge in the near north-south direction of the basin. This phenomenon may be affected by the regional compressive stress in the near east-west direction, which is consistent with the stress state of tidal forces on the low and middle latitudes of the moon, and it is assumed that tidal forces may be the main cause of its formation. Using the Chang 'e-1 CCD image data and the data of moon Orbiter and LRO, 1464 lunar ridges have been identified in positive and middle latitudes of the moon. The results of direction statistics show that, The overall strike of Yueling is similar to the tectonic pattern predicted by Melosh under tidal forces. Therefore, it is inferred that the distribution of the lunar ridge is strongly related to the tidal forces, and further proves that the formation of the lunar ridge is related to tidal forces. Taking Chenghai and Jinghai two connected basins as the study area, the topographic characteristics of the two lunar seas are obtained by processing the DEM data of LRO. The percentage content and maturity distribution of Ti02 Feo were extracted based on clementine multispectral data processing. Based on the data of Chang'e 1 CCD image and the interpretation of LRO and Lo panchromatic images, 126 lunar ridges and 114 moon streams in the study area were extracted. The gravity distribution map extracted by clementine was compared and its distribution pattern was studied. The comprehensive analysis results show that although the two basins are adjacent to each other, the lithology and tectonic distribution of the two basins are obviously different, the boundary of basalt eruption is obvious at different periods, and the age of Chenghai basalt is generally later than that of Jinghai. The basalt is homologous with the northern Jinghai basalt. The distribution form of linear structure in Chenghai is obviously different from that in static sea, which is related to the existence of mass nodule and the distribution of gravity.
【學(xué)位授予單位】：中國地質(zhì)大學(xué)(北京)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2012
【分類號】：P184;P736

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