Retraction Note to: Arab J Geosci (2017) 10: 246

https://doi.org/10.1007/s12517-017-3041-x

The above-mentioned article is retracted at the request of the Editor-in-Chief in consultation with the Senior Publishing Editor per the Committee on Publication Ethics (COPE) guidelines on scientific misconduct.

The Editor in Chief has retracted this article because it was mistakenly published due to an error in the submission system. The authors agree with the retraction.