Beneficiation of the lead- zinc ore from Hossien- Abad

/ A. Rahjoo()

Beneficiation of the lead- zinc ore

/ A. RahJoo(Geological survey of Iran, ore dressing-division)

Notes on the geology of the Elikoh lead- barite mine, Central Alborz

/ by: Herwig F. Holzer and Mortaza Momenzadeh(Momenzadeh, Mrteza)

Nishapur turquoise mines

/ D. Bazin, H. Hubner, T. Parsa(Hubner, H.-Pasa, T.)

Report on the geological investigation at the Jaru copper mine and Gummush- Dash prospect, Northern Iran

/ by D. Bazin, H. Hubner, V. Issakhanian(Hubnor, H.-Issakhanian, V.)