【摘要】：巖性解譯是遙感地質(zhì)解譯中十分重要的內(nèi)容,解譯前首先要根據(jù)待解譯區(qū)地質(zhì)體的巖性及其組合類(lèi)型建立遙感解譯標(biāo)志。北巴顏喀拉山群復(fù)理石建造因巖性單一、地層厚度巨大、難見(jiàn)頂?shù)浊一∩?長(zhǎng)期以來(lái)對(duì)該套地層的劃分相對(duì)困難且爭(zhēng)議頗多,形成了眾多劃分方案。針對(duì)這種情況,采用遙感方法,以SPOT5和ETM衛(wèi)星遙感數(shù)據(jù)為基礎(chǔ)影像,從巖性解譯入手進(jìn)行了最大程度的地質(zhì)信息挖掘。從4個(gè)方面詳細(xì)闡述了巖性解譯和巖性組合劃分的依據(jù),系統(tǒng)地介紹了研究區(qū)基于遙感影像的巖性可視化解譯標(biāo)志的建立過(guò)程。并利用所建立的解譯標(biāo)志重新厘定了地層的影像特征,細(xì)分了各地層巖段或巖性組合,取得了對(duì)研究區(qū)地層巖性的新認(rèn)識(shí),為北巴顏喀拉山群地層對(duì)比及區(qū)域地質(zhì)調(diào)查提供了新資料。
[Abstract]:Lithology interpretation is a very important content in remote sensing geological interpretation. Before interpretation, a remote sensing interpretation mark should be established according to the lithology and its combination types of geological bodies in the area to be interpreted. Because of its single lithology, huge formation thickness, hard to see top and bottom and few fossils, it has been difficult and controversial to divide this set of strata for a long time. In view of this situation, using remote sensing method and SPOT5 and ETM satellite remote sensing data as the basis image, the maximum degree of geological information mining is carried out from lithology interpretation. The basis of lithology interpretation and lithologic combination division are described in detail from four aspects, and the establishment process of lithology visual interpretation mark based on remote sensing image in the study area is systematically introduced. The image characteristics of the strata are redetermined by using the interpretation markers established, and the strata and rock formations or lithological assemblages are subdivided, and a new understanding of the stratigraphic lithology in the study area is obtained. It provides new data for stratigraphic correlation and regional geological survey of North Bayan Kara Mountain Group.
【作者單位】： 武警黃金第六支隊(duì);北京信威通信技術(shù)股份有限公司;
【基金】：中國(guó)地質(zhì)調(diào)查局地質(zhì)調(diào)查項(xiàng)目“西昆侖與青東基礎(chǔ)地質(zhì)調(diào)查”(編號(hào):12120114009001)資助
【分類(lèi)號(hào)】：P627

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