Preliminary note on the structural ans metamorphic history of the area between Dowlattabad and Esfandagheh, south- east centeral Iran

/ M. Sabzehei, M. Berberian(Berberian, M.)

Problems of Zinc- flotation at the Osbak- Kuh mine

/ George Aletan()

Research for quartz sands in central- Western Iran

/ by Herwing F. Holzer and Rezvanollah Gasemipour(Gasemipour, Rezvanollah)

Some aspects of somaqlead zinc occurrences

/ ()

Recent phosphate discoveries in Iran

/ by Members of the Geological Survey of Iran()