کانی شناسی مرمرهای بروسیت دار، حاشیه شرقی باتولیت شیرکوه (غرب استان یزد)

Igneous bodies in Manshad-Taft fau lt zone arc intruded into Shirkuh granitic batllolilic basement. They also cause different skam-marble mineralization in dolomitized limestones which are covered granitic basement. Skarns are composed of variety of minerals. Marbles consist of variolls minera ls such as brucite, forste rite, diopsid, pcriclase,taJc, calcite, dolomite, and hydromagnesite. Petrographic and geochemical data have revealed tbat there is several stages duri ng the formation of marble minerals. At the first stage, anhydrous minera ls fonned, then fo llowed byhydrous assemblage. Generation of brucite occurs at the second stage and is due to latc hydrothermal system withlow XCOl and high nuids. Hydromagnesite deposition is occurcd by oxidation of bruc ite.