Kermanshah Province has been a residential place for different tribes from the early times. Kermanshah is a mountainous area located between Iran plateau and Bayn-al-Nahrain Plain and covered by Zagros Elevations. Kermanshah local industry and agriculture is extremely important and its paleobiology is of interest to tourists. Among different attractions, Bistoon Inscription and its prominent paintings are significant.
Mesozoic marine deposits and Tertiary granitic domes constitute the main core of Kermanshah Mountains. Green and red limestones of Jurassic, extended from northern to southern parts, are the main rocks of these Mountains. Jurassic deposits are overlain by younger deposits of cretaceous. Cretaceous deposits alternately with Jurassic limestones are extended from Qareh Su Valley to Shit, to Bisotun. Zagros heights had volcanic activities in Tertiary and volcanic marine deposits formed over older deposits. Finally Quaternary sediments formed the topsoil.