НАРИЙН СУХАЙТЫН ОРДЫН НҮҮРС АГУУЛАГЧ …
2Монголын Алт ХХК ABSTRACT Seven sandstone samples were collected from Middle Jurassic Orgilokhbulag Formation distributed at Nariinsukhait coal deposit and petrographical study has been completed. According to the results of study, the sandstones are classified into subarkose, sublitharenite and feldspathic litharenite.