geological study for the southern plain of alan, north of iraq using geoelectrical sounding
Iraqi National Journal of Earth Sciences,
2005, Volume 5, Issue 2, Pages 36-50
AbstractThe present research involves geoelectrical study of the southern allan's plain, which lies between allan and atshan anticlines, in the north of Iraq. The field measurements were carried out in sixty three sounding stations, using collinear and symmetrical schlumberger array, distributed on four traverses (NE-SW direction) across the axes of anticlines surrounding the study area. The maximum interval spacing between both current and potential electrode has reached 843 and 90 meters consequently.
The final interpretation result were represented with four geoelectrical section. Continuous correlation with composite stratigraphic columns of surrounding anticlines was made and five electrical zones were distinguished reflecting the soil, quaternary deposits upper and lower members of Al-Fat'ha formation as well as Euphrates formation.
This study has specified two strike slip faults affected by the alpine orogeny. One transversal fault with NE-SW direction is located and clearly affects the true resistivity data and the anticlinal structure plunges in the east of the currently studying area. In addition a rotational strike slip fault has been specified, extending E-W parallel to the axes of the anticlines surrounding the area the second fault is considered as an important tectonic element in the regional geology of the north of Iraq, this element divides between the northern and the southern blocks of Mosul, which is characterized by the existence of Taurus and zagros trends consequently.
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