Trilobites from the shahmirzad section, Alborz mountains, Iran: Their taxonomy, biostratigraphy and bearing for international correlation

/ Peng, Shanchi , ; Shanchi Peng, Gerd Ceyer, Bahaeddin Hamdi(Geyre, Gerd-Hamdi, Bahaeddin)

List of minerals identified in alluvial samples

/ ()

Duna mine: some nem proposals

/ by: M. Momenzadeh()

Japanese tin mines

/ By Hideki Imai()

Premiers objectifs du prospection geochemique dans la province metallogenique de Isfahan

/ D. Bazin()