Behnaz Barghi

[ 1 ] - Geologic and geochemical investigation on the Mn veins in Jonub-E Sehchangi, SW Birjand, Southern Khorasan province (east Iran)

Mn-bearing veins of Jonub -ESehchangi are located 200 km southwest of Birjand, Southern Khorasan province (east of Iran). These veins are hosted by andesitic rocks of Eocene to Oligocene ages. Ore minerals identified  by XRD method and mineralographic studies and are Pyrolusite, cryptomelane, psilomelane, hollandite, hematite and goethite, displaying colloform and open-space filling textures. G...