On the old age of the relief of mountain Fergana

Abstract

A critical consideration is given to the settled opinion on the evolution of Central Asia mountain relief on the basis of new data concerning the mountain Fergana and adjacent areas in particular, The Late Paleozoic epigeosynclinal mountain relief is shown to continue incessant evolution during the Mesozoic and Cenozoic. A methodical inadequacy has been shown of the well known concept of pre-orogenous initial planation surface», arch-block and block distortions of the surface previously were considered to form the frame of recent mountain topography of the Central Asia. The Central Asia mountain morphostructures appeared to be complicate and ancient polychromous and heterogeneous formations.