THE PROBLEM OF THE CONSERVATION AND OF THE ANCIENT PENEPLAIN IN THE TIEN SHAN

Abstract

Considered is the problem of conservation of preorogenic planation surface of the Tien Shan. Stages of development of the planation surface formed in the Late Paleozoic— Early Mesozoic period have been singled out. The author comes to the conclusion that in ihe present-day relief of the Tien Shan the preservation of planation surface formed in the Late Paleozoic — Early Mesozoic time is possible.