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- W2390226274 abstract "The new discovered copper mineralized zone in Halasu region, Xinjiang kalaxiange mineralization belt,was selected as the case study in order to fast extract ETM+ mineralization alteration remote sensing anomaly.First of all,the paper discussed the geological background,geophysical and geochemical anomaly characteristics of this area,aggregated metallogenic regularities,then,compared the features of remote sensing data.Though choosing ETM data sources,we achieved geological,geophysical,geochemical data processing and remote sensing image enhancement processing.Spectrum characteristics of known alteration distribution area and geologic setting,six(bands band 1—5 and 7) of alteration rock of ETM+ image and the enhanced image(ratio image,the principal component analysis image),iron-stained anomaly and hydroxyl anomaly were analyzed.Spectrum knowledge to differentiate alteration rock from mining region strata was discovered.By introducing the standard error based on TM4120,we known that the brightness value of phyllic rock was 75.6TM5/787.3,the propvlitization altered rock 64.2PC4-H73.42.By the use of the mineralization geological feature of mining region and typical ore deposit mineralization model,we could establish the remote sensing geology mineral prospecting model,and then,the remote sensing geology ore-control characteristic was investigated.The middle-bottom basalt and augitophyre,in the middle Devonian Beita mountain group,were the main rock of the porphyry mineralization within the copper(or molybdenum) belt.As a result,the abnormal information model of extracting alteration remote sensing based on ETM+ image has been developed.Additionaly,the alteration remote sensing abnormal information could be extracted by the expert classifier model of ERDAS IMAGING V8.7.Based on the result we can combine geology with remote sensing image processing.Although the establishment of the regulation was manual,whereas at present,the geological expert system theory was not yet ripe,such model in this field has opened up a new development path.Through actual verification,it proved that the results had good correspondence with the actual condition,and the copper mineralization belt had been discovered.This model provides reference to geological investigation and prospecting for copper mines in those area with the similar geologic background to the southern margin of Kalaxiange region,in Xinjiang." @default.
- W2390226274 created "2016-06-24" @default.
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- W2390226274 date "2008-01-01" @default.
- W2390226274 modified "2023-09-23" @default.
- W2390226274 title "Method of Fast Extracting Alteration Remote Sensing Abnormal Information Based on Knowledge and Prospecting Application" @default.
- W2390226274 hasPublicationYear "2008" @default.
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