Argillaceous minerals in deposits of various sedimentary formations are characterized by specific chemical-mineralogical and morphological genetic features changing different stages sedimentogenesis, diagenesis, catagenesis, metagenesis. their associations terrigenous, terrigenous carbonate, volcanic, halogenic characterized. Detail characterization is given for argillaceous early sedimentogene...

Abstract The archaeological heritage at Cerrillo Blanco (Porcuna, Spain) is made up of 27 sculptural ensembles and hundreds fragments dated between the seventh second centuries BC. They represent a fundamental milestone in Iberian art culture. Despite their relevance, no scientific studies have been carried out to date order fully understand materials, intentions techniques that led creation. T...

This study involved preliminary laboratory test work to identify the relative leaching response to cyanidation and thiourea leaching of an oxidized low grade gold ore based on characterization studies. Huge reserves of gold deposits have been reported from different parts of Iran, especially at Neishaboor area with gold grade of approx 4 ppm. For the mineralogical composition, the nature of the...