НАРИЙН СУХАЙТ НҮҮРСНИЙ ОРДЫН ТУНАМАЛ ЧУЛУУЛГИЙН ПЕТРОГРАФИ

Abstract

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 became weak shale and shale, grains are usually moderate to poorly rounded and medium sorted.