TN81 : A GIS baxsed Weight-of-Evidence and Zonality Model Hybrid Mineral Potential Mapping of gold mineralization in map of 1:100000 Taherabad
Thesis > Central Library of Shahrood University > Mining, Petroleum & Geophysics Engineering > MSc > 2008
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Abstarct: Nowadays inspite of modern and well developed methods in all sciences such as earth
science, we can observe great changes in all aspects that one of these changes is use of
Geographical Information System (GIS).GIS is applying in different branches of
science, that one of this is in exploration of mineral deposits and combination of
different laxyers for purpose of determination of mine bearing potential map. In this
thesis it has been tried to use GIS for combination of different exploratory data such as
geologic, geophysical, geochemical and remote sensing, for the determination of mine
bearing deposit in the Ferdows Taherabad region.
The above mentioned region is located in the South western part of Razavi Khorazan
province which Ferdows cities. The main aim of present study is recognizance of gold
deposits with the different data such as geological, geophysical, geochemical and
remote sensing information (ASTER data) and finally determination of best hopeful
region with the use of hybrid model of Zonality-Weight of evidence (WofE-Zonality).
In this study for obtaining the good result First: alteration of this region studied was
done with the use Image processing, remote sensing data, sensed images (ASTER).
Then with considering the remote sensing, geologic and geophysical information laxyers
and with the use of weight of evidence of eleven mine index in Taherabad right
probable gold mineralization map was obtained. This map has been classified from
lower probability to higher probability.
With attention to limitation of simple weight of evidence model, use of zonality method
which baxsed on customary geochemical method was selected for determination of
hopeful region. In the last stage not only use of hybrid model of Zonality-Weight of
evidence will omit the limitation of weight of evidence method but also will present
powerful pattern for classifying, which can classify the geochemical anomalies one the
baxse of erosion level.
In the obtained map the hybrid model of Zonality-Weight of evidence potential bearing
region were situated in three localities, which the Northern potential bearing area was
preferred for detailed exploration. Meanwhile field observation and sampling of this
locality is verifying the obtained result.
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Keeping place: Central Library of Shahrood University
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Keeping place: Central Library of Shahrood University
Visitor: