Bi. Chuvashov, THE KUNGURIAN STAGE OF THE PERMIAN SYSTEM - PROBLEMS OF RECOGNITION AND CORRELATION, Stratigraphy and geological correlation, 5(3), 1997, pp. 212-230
The article summarizes results of investigations of the Kungurian Stag
e for more than 100 years. Correlations inside the Cisuralian sediment
ary basin, substantiation of stage and horizon boundaries, and their r
ecognition in this and adjacent basins of the western Arctic and Tethy
an provinces are discussed.