机译:从Svidnenskata岩浆碱性钾协会正长岩包体
Geological Institute Bulgarian Academy of Sciences 1113 Sofia Bulgaria;
Geological Institute Bulgarian Academy of Sciences 1113 Sofia Bulgaria;
Geological Institute Bulgarian Academy of Sciences 1113 Sofia Bulgaria;
Svidnya magmatic association; syenitic xenoliths; richterite; potassic feldspar; biotile;