Abstarct: Tazareh mining area is located 40 km N of Shahrood in eastern Alborz structural zone and belonging to a large east-west syncline called Mianab syncline. The coal deposits of this area are part of Shemshak group with upper Triassic- lower Jurassic in age, which are limited to dolomitic limestones of Elika F. from the bottom, and limestone of Delichay F. from the top. The Shemshak group dividing three sub-sections in Tazareh area: Pashkelat, Asiab and Kelariz sub-sections, which coal laxyers belong to the Kalariz and Pashkelat sub-section stratigraphically. The coal bearing sandstone consist of quartz, plagioclase, microcline, moscovite, zircon, tourmaline and anatase and shales have quartz, plagioclase and clay minerals. baxsed on Folk nomenclature, sandstones are in the sublitharenite - litharenite range, and shales are named silty shales and sandy shales. Pyrite, chalcopyrite, kaolinite, and quartz are the minerals existent in Tazareh coal, which among quartz and clay minerals are prevail. baxsed on petrographic studies on coal, Vitrinite, Inertinite and Lipitinite groups have the highest, medium and low abundances in these coals, respectively. The geochemical data display that coal bearing rocks are deposited in the back-arc extensional basins and in the active tectonic environment. The mean value of ΣREE is 165 ppm in sandstone and 187 ppm in shale samples which is more than North American shale Composite (173 ppm) and Continental Crust (146 ppm). These rocks have a LREE enrichment relative to HREE, and Eu and Ce have positive anomalies. Tazareh coals in comparison to the world coals are enriched in K2O and MgO due to the presence of minerals illite, moscovite and chlorite. The enrichment coefficient of rare elements from Tazareh coal relative to the world and China coals are 4.6 and 7.19, respectively. The mean value of ΣREE in Tazareh coal is 404 ppm, which is more than ΣREE in chondrite (25.2 ppm), world coals clark (68 ppm), China coals (138 ppm) and American coals (62 ppm). The cluster analysis of the geochemical data of Tazareh coal shows a strong positive correlation between REE and Be, Se, U, Y and its high negative correlation with Cs, K, Mg, Mn, Rb, Ti and Al. Tazareh coal concentrate ash contains the highest REE value, which is about 1.4 times as much as world coal ash. This enrichment is highlighted for Eu, Er, Y and Ce elements. According to the results of this research, coal laxyers from the Kelariz sub-section are capable to trace and rare earth elements prospecting.