ӨМНӨД МОНГОЛЫН ДУНД ЮРЫН УУР АМЬСГАЛ, …
элсэн чулуу, тектоник, дунд юра, нүүрс, өмнөд Mонгол, форланд Abstract. Middle and Upper Jurassic 18 sandstone core samples from exploration borehole, drilled in Nariinsukhait coal deposit, was studied. Geochemistry of samples indicates that sandstones were derived from acidic and intermediate ...