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.
This study is intended to identify the impact of air quality on the house market price of Ulaanbaatar's densely populated districts. To this end, the correlation between the current state of the construction industry, specifically house price trend and change in house prices, and Ulaanbaatar's air pollution, its air quality index indicators, has been examined.