Hasan Çavşak, Ali Elmas
1.369 716


The advantages of 3D gravity studies have been investigated in this study. For this purpose, firs of all, three-dimensional four different synthetic models geometry were designed in order to determine the importance of 3D gravity study. The studies done with the first mass model were described in this extended abstract. Then, three-dimensional gravity anomalies were calculated by using a special algorithm (Çavşak H. 1992) for this model geometry by intensity of adoption, the account results were used in the next two and three dimensional inversion accounts as measurement value. The calculated densities by different inversion accounts and the other calculated parameters, as shown in the following order, are compared with each other:
1. The forward solution 2D models were compared with the forward solution 3D similation models. This test has been done in oeder to prove 2D and 3D similation model geometries that two are same.
2. The forward solution 3D original model was compared with the inverse solution 2D and 3D similation models. Here, as expected, the 2D and 3D similation model intensities are equal to each other, but 3D original model intensity was different from the others.
3. The forward solution 3D original model was compared with the inverse solution 3D original model. This final step has been done for the test.
Thus, according to the manner of formation, according to article 2 of the above mentioned, instead of two dimensional gravity study of how three dimensional gravity have to do was worked to explain. Giving accurate results of gravity studies of the first condition, model geometries are defined as 3D. Also this definition be made in detail, accounts to make the profiles to be selected as needed and to the most appropriate places, higher level of reliability of the results taking. As a result, this study, what level of the 2D calculation is not reliable, in other words, what is the acceptable level was revealed.
Key words: Gravity, Modelling, Inversion, Anomaly

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