introduction the alborz structural zone in northern iran is the host of a number of important coal deposits. the gheshlagh coal mine is one of them, which is located 35 km southeast of azadshahr. coal bearing strata in the gheshlagh mining district occur in the middle part of the lower jurassic shemshak formation which consists mainly of shales, siltstones and sandstones. the geshlagh coals hav...

nonstop growth of urban population and concentration of industrial and agricultural activities in many parts of the world and iran have given rise to increased demand for water for different uses .furthermore, as one important factor of lack of exchange between human and environment resulting in wide exploitation from agricultural lands, mine extraction, and application of various industrial to...