تازه‌های منابع دیجیتال

Zur geologie von Persian

/ Von A. F. Stahl()

Techno- economical assessment and feasibility study of hamkar main mine( Levels 2100 to 2300)

/ (Kavoshgaran consulting Engineerg)

Geology of mianeh district of north- western Iran

/ F. A. Afshar()

Review of the mineral industry in Tanzania for the year 1967

/ ()

Hydrothermal ore deposits: porphyry copper systems and precious metal epithermal systems as examples: Hamish Martin

/ Prepared by: William X.Chavez Jr.(Martin, Hamish)