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Process of Change in the Geographic Information System Technology In IRAN’s Geology and Exploration
Original Text
In order to face with rapid growth of digital spatial in geoscience The geoscientists need to understand the spatial relation among the various spatial data. the exsistance of Geographic Information System is very important and fundamental. Geographic Information System has created spectacular change in many applied branches , because it will make the processing and interpretting separate layers of spatial data possible and provides methods for interpreting and modeling for the interlayers. The geologist or explorer, linking different geological data , will seek for useful geological structure in an area. All geological data, in order to be fruitful and productive, should be interpreted considering their geographic locality. Geographic Information System, Providing presentation facilities and simutanous data interpretation, enables the geologist or explorer to prepare mineral potential maps with various data more quickly and precisely, which was impossible to be carried out with analogue and traditioal methods. Geographic Information System is used for making decision for those Geological Survey of Iran’s Projects which are based on spatial data. Cartographic application of GIS in collecting , digitalizing and preparing different scale geological maps and in national scale (geological, air borne geophysic, mineral , geomorphology maps and etc.) are among the main application of GIS for the numerous geoscientists. (Figs : 1 , 2)  Figure 1 Geomorphological map of Iran  Figure 2 Metalogenic map of Iran |