Hemizam biotita i genetski tip granitoida Srbije

Chemistry of biotites and genetic types of granitic rocks of Serbia

Abstract

Chemical composition of petrogenic biotites was used in an analysis of genetic and geotectonic classifications of granitic rocks in Serbia. The analysis was based on criteria (Abdel - Fattah, 1994) developed from the study of biotites from reference granite massifs over the world, which included: orogenic calc-alkaline (I-type) and peraluminous (including S-type), and anorogenic alkaline (A-type) granitic rocks. The chemistry of biotite from granitic rocks of Serbia was found useful as a relatively reliable additional and a preliminary criterion for discrimination of genetic nature of granitic rocks.