Geological And Geophysical study for Fatima Shrine in Al- Najaf Governorate by using(G.P.R)Technology

Abdulzahraa M.Alabbassi, Ayeid J.Alzameley, Hussien M. Ali


The survey by the G.P.R. in the site of  Fatimah shrine and around it in the city of Najaf was  represented an indications of cavities within the penetrated depth up to about 18m as shown in the profiles No.(232cavity, 234cavity, 235cavity). Inside the site the profiles are not indicate any cavities within the layers.

The G.P.R profiles indicate the following layers :

1- (5m) reworked material.

2- (12m) sandstone with velocity of (6.5cm/ns) and (ε= 21.4).

 This layer consist of sandstone of Dibdibba formation which consist of cross bedded sandstone with very hard thin beds of Celestite in the upper most part and very hard massive sandstone in the lower part. In the lower most part of this layer (1.5-2m) loosed friable pebbly sandstone was found. From the above mentioned description the area of  Fatima shrine was found on the Dibdibba sandstone  formation.

 3- (6m) clay stone with (8.4 cm/ns) and                   (ε= 12.7).

 4- (25m) cyclic deposits of clastic sediments.

Consist of sandstone cross bedded and siltstone and clay stone. Within this bed the water table could be recognize. The boundaries below the water table are not highly clears for recognition, then we used many different type of filter and processing methods to recognize these boundaries .The water table in the city of Al-Najaf is between (20-25m) below the surface of the earth.

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