本文關鍵詞： 扎冷木特 SPOT6影像 蝕變信息 DEM高程數據　出處：《新疆大學》2017年碩士論文　論文類型：學位論文

【摘要】：扎冷木特位于新疆西天山西北角,北鄰哈薩克斯坦,其行政區(qū)劃屬于博爾塔拉蒙古族自治州溫泉縣,范圍西起察哈烏蘇河,東至溫泉縣城附近;南起布爾嘎斯特河,北至中國-哈薩克斯坦國境線。本文用SPOT6遙感影像來完成遙感地質解譯部分,用OLI影像完成蝕變信息提取部分,利用ENVI、ArcGis、MapGis、ERDAS、PCI等軟件進行圖像處理,運用DEM高程數據與遙感影像疊加生成三維立體模型能夠更加直觀的解譯研究區(qū)的斷裂、環(huán)形構造等。本論文獲得以下主要成果:1.以SPOT6衛(wèi)星數據為主要信息源,結合OLI衛(wèi)星圖像,建立了工作區(qū)地層、構造、侵入巖的解譯標志,編制了1:5萬遙感地質解譯圖。2.針對調查區(qū)的蝕變類型,分別進行了鐵染、羥基提取方法、遙感異常專題圖像的變量確定、遙感異常的定量分級分析的專題研究。統(tǒng)計了羥基、鐵然的分布及其與地層、構造的空間關系,并根據異常的類型和分布規(guī)律,進行異常的分區(qū)分類,編制了調查區(qū)區(qū)1:5萬鐵染、羥基異常分布圖。3.通過地質分析得出,該有利區(qū)內主要出露地層有溫泉巖群:云母片巖、黑云角閃巖等,區(qū)內巖漿活動強烈,既是本區(qū)鐵礦床的容礦層,又是提供鐵等成礦物質的礦源層;有利區(qū)內有一近EW斷層是含礦熱液遷移活動的通道,又是鐵等成礦物質沉淀定位的有利容礦空間且有利區(qū)附近南部有典型礦床托克賽鉛鋅礦,羥基、鐵染異常與礦化關系密切,為本區(qū)較明顯的找礦標志。4.分析總結遙感礦化蝕變異常與容礦地層、斷裂帶、侵入巖體、脈巖的配置關系,并結合異常內礦(化)點的類型,指出在羥基、鐵染異常暈具有一定的找礦指導意義。5.在工作區(qū)劃分3個預測成礦遠景區(qū),編制了工作區(qū)1:5萬遙感成礦綜合預測圖。為下一步地質礦產勘查指明了方向。
[Abstract]:Zhalanmute is located in the northwest corner of the Western Tianshan Mountains in Xinjiang, near Kazakhstan to the north. Its administrative division belongs to the Wenquan County of Bortala Mongol Autonomous Prefecture, which ranges from the Chahawusu River in the west to the City near the Wenquan County in the east. The SPOT6 remote sensing image is used to complete the remote sensing geological interpretation part, and the OLI image is used to complete the alteration information extraction part. The image processing is carried out by using the software of ENVII, ArcGis-MapGIS, ERDAS-PCI and so on. Using DEM elevation data and remote sensing image superposition to generate three-dimensional model can more intuitively interpret the fracture of the study area. The main achievements of this paper are as follows: 1. Taking the SPOT6 satellite data as the main information source and combining with the OLI satellite images, the interpretation marks of strata, structures and intrusive rocks in the working area are established. 1: 50 000 remote sensing geological interpretation map. 2. According to the alteration type of the survey area, iron stain, hydroxyl extraction method and variable determination of the remote sensing anomaly image are carried out respectively. The distribution of hydroxyl groups and irons and their spatial relationships with strata and structures are analyzed. The regional classification of anomalies is carried out according to the types and distribution of anomalies. The map of anomalous distribution of hydroxyl groups in the investigation area of 1: 50 000 iron stain is compiled. 3. Through geological analysis, it is concluded that there are mainly spa rocks in this favorable area, such as mica schist, black cloud amphibolite and so on. The magmatic activity in the area is strong, which is not only the ore-bearing bed of the iron deposit in this area, but also the source bed of iron and other ore-forming materials. A near EW fault is a channel for hydrothermal migration of ore-bearing minerals, and it is also a favorable ore-bearing space for the precipitation of iron and other ore-forming minerals. In the southern part of the favorable area, there is a typical Tocesse lead-zinc deposit, hydroxyl group. The iron-dye anomaly is closely related to mineralization, which is the obvious ore-prospecting marker in this area. 4. The relationship between remote sensing mineralization alteration anomaly and ore-bearing strata, fault zone, intrusive rock mass and dike rock is analyzed and summarized. Combined with the types of abnormal inner ore (chemical) points, it is pointed out that in hydroxyl group, iron-stained abnormal halo has certain guiding significance for prospecting. The 1: 50 000 remote sensing metallogenic comprehensive prediction map of the working area is compiled, which points out the direction for the next geological and mineral exploration.
【學位授予單位】：新疆大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：P627

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