We did preliminary petrographic study on sedimentary host rock of "Nariin Sukhait" соа1 deposits in Umnugovi province, Mongolia. The result shows, coal-bearing sedimentary rocks are mostly psammites sometimes slates, slate-psammite, psammite-psephite occasionally shows psephite structures and textures are mostly solid sometimes when metamorphosed many …
7000-5292/1 Борлуулалт 7000-5292/2 Санхүү 7000-5292/3 Хүний нөөц 7000-5292/4 Худалдан авалт [email protected]