i am delighted to announce completion of the second issue of the new journal of “geopersia”, a product of the new era of replacing the persian language journals with specific english-language ones. our purpose is to provide a journal that offers a multi-disciplinary analysis of issues concerning geology subjects (i.e. sedimentology, stratigraphy, paleontology, petroleum geology, engineering geo...

Proceedings of GeoComputation ‘97 & SIRC ‘97 Effective mineral exploration requires a detailed knowledge of the factors and processes which result in the formation of economic deposits. To apply this knowledge, a sound three-dimensional understanding of the geology and structure of a region is required. In most cases, surface geology can be mapped with a high degree of accuracy, however, the ge...

Bismuth occurs in a wide range of mineral deposit types and is usually regarded as deleterious by-product. Its classification critical raw material by the European Commission 2017 USA 2018 has, however, reawakened interest Bi production its security supply. Demand for increasing, mostly substitute Pb use chemicals. mainly chalcophile behaviour, although it has some lithophile characteristics. T...