Grafitoidi iz metamorfita Donje Ljubate (Bosiljgrad)
Graphitoids from metamorphic rocks of Donja Ljubata (Bosiljgrad)
Abstract
Initial analytical results of micropetrographic composition and optical properties of graphitoids from metamorphic rocks of Donja Ljubata (Bosiljgrad) are presented in this paper. The obtained data permit a precise petrographic classification of graphitic schists from the study area. Also a correlation is given between the degrees of thermal changes in various carbon forms (graphitization) and metamorphism of green schist facies. The method of concentration by flotation is used to test the production of a grade "graphite" concentrate.
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