GEOPHYSICAL INTERPRETATION OF THE POTENTIAL Field DATA MEASURED IN THE AREA AROUND CAIRO-SEUZ DESERT ROAD, EAST-CAIRO,EGYPT

Abstract

Within the framework of the governmental efforts to develop the desert areas, great efforts are being paid to convert portions of the desert area into productive land, especially with the distinct increase in population, agricultural and industrial • developments. Bilbies area is considered as one of the most promising areas for agricultural and industrial projects. The area of study lies between latitudes 30° 5" & 30° 15" N. and between longitudes 31° 30" & 31 ° 40" E. In addition to Ismailia Canal, which is the main source for surface water in this area, the groundwater resources play an important role in the development plan especially in desert areas far from Ismailia Canal. The present work aims to study the geological, hydrogeological and structural conditions, that are prevailing throughout the area and controlling the groundwater occurrences in this area. Two geophysical methods have been used to achieve the target of this study by applying the following procedures: -Measuring the total intensity magnetic field at 334 land stations distributed throughout the area in a grid-like pattern as can as possible to cover the whole area with a spacing of about 500 m between each adjacent two points. -Measuring the values of the gravitational field through ·484 stations distributed at the same locations of the magnetic observation points The land magnetic data are corrected for the time variations. These corrected data are gridded and contoured by using Geosoft programs ( 1994) to get the total intensity magnetic map. The total intensity magnetic map of the studied area is first reduced to the magnetic pole to eliminate the distortions occurred in the 107 distribution of the existed magnetic anomalies, due to the inclination of the measured normal magnetic field.