The study of the Upper Carboniferous has been attracting much attention recently and the question as to its extent and stratigraphy has been the object of very serious discussion, but so far without any positive results. The large territory of the Soviet
The study of the Upper Carboniferous has been attracting much attention recently and the question as to its extent and stratigraphy has been the object of very serious discussion, but so far without any positive results. The large territory of the Soviet
BORIS LICHAREW, LENINGRAD USSR.1934.[J].地质学报,(1). BORIS LICHAREW, LENINGRAD USSR~.1934. THE UPPER CARBONIFEROUS OF FERGANA AND THE QUESTION OF THE BOUNDARY BETWEEN THE CARBONIFEROUS AND THE PERMIAN[J]. Acta Geologica Sinica,(1).
