Remote sensing studies on mineral exploration and exploration of Nafisabad, Yazd

Remote sensing studies on mineral exploration and exploration of Nafisabad, Yazd

Engineer Gholamipour, Director of Exploration and Extraction of Simon Pars South Company, pointing out that the study area is located in the northeast of Yazd province, between the cities of Khoranagh and Ardakan; He pointed out that several hematite mines are located in the north and south of it.

In this project, using the remote sensing applications in the area of ​​mineral exploration and exploration, research will be done on the alterations, their minerals and how to separate the lithological units, the separation of structural and tectonic units in the area. In general, the lithological units of the region include volcanic, volcanic-sedimentary, sedimentary and metamorphic rocks that were formed in the Jurassic, Cretaceous, Quaternary and Tertiary periods.

He added that all operations that are being carried out on satellite images in this project; In order to reveal as much as possible the properties and how to expand the geological, lithological and mineralized units. This operation will be carried out in the geological exploration phase in which the main controllers of mineralization in the region are identified as exploratory tracers and by combining them with geochemical data, field surveys, prepared sections and geochemical analyzes, the best results. In the shortest possible time in line with the development plans of Simon Pars South Company.

The Director of Exploration and Extraction of Simon Pars South Company added: The role of remote sensing in the exploration of deposits can be summarized as follows:

Surveying of lithological, stratigraphic units, large lines and structural trends along areas where there is a possibility of deposit. Many deposits are associated with specific rock formations or units. Identification of these lithological and stratigraphic units with remote sensing data can help to explore the deposits in them. With the help of satellite imagery, geologists can identify the relationship between deposits and regional linear structures. In a mineralization state, multiple fractures and streaks can guide exploration because they are a conduit for the passage of mineralizing fluids.

Gholamipour added: "Some remote sensing methods such as image analysis and processing can be used to highlight altered areas." One of these methods is band scaling and the resulting color images to increase the spectral response of minerals and reduce the response of vegetation. Despite the success of this method for the separation of alteration zones, due to the spectral effect of vegetation, which is significantly similar to some alteration minerals, the spectral effect of this group of minerals is reduced. Using the principal component analysis method is a method to minimize the effect of vegetation and relying on specific spectral bands to identify minerals in alteration zones. This method is very successful for isolating altered hydrothermal regions.

 

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