Journal of Geology & Geophysics
Open Access
ISSN: 2381-8719
ISSN: 2381-8719
S. S. Sayitov and V. D. Tsoi
Posters-Accepted Abstracts: J Geol Geosci
The importance of metasomatic changes are valuable at investigation of deposits, as they are accepted as search indication. Western Uzbekistan contains a huge number of gold deposits, including giants like Muruntau, Zarmitan, where main part of wallrocks became metasomatites. The article gives information about the results of analyzing the results of metasomatites in gold deposits of western Uzbekistan. In particular manifestation installed siliceous metasomatism, which resulted in carbonate rocks are converted into quartzite and jasperoids, slates and sandstones in the hornstones. Consider the features of siliceous metasomatism on individual deposits of western Uzbekistan. By analyzing the results of chemical and atomic absorption (on Au and Ag) analyzes of weakly and strongly altered rocks, can be said that, contain of gold increases related to rise of the amount of silica in certain type of rocks, simultaneously. But, some exceptions also defined, which can be explained that higher gold grades are associated with intensely silicified and ferruginous rocks formed by the process of metasomatism. Elevated values of silica in the rocks accompanied by elevated values of ferric can be recommended as an indicator of the search of gold mineralization.