Trends in the Cenozoic morpholithogenesis in Western Okhotsk region

Abstract

A composite section of loose deposits of Western Okhotsk region has been compiled, and environments of sedimentation determined. A transition of graded topography with extensive weathering crusts and fine sediments towards rugged topography (low and medium-height mountains), with associated coarse - pebble and cobble - deposits, is recognized as the main trend in the Cenozoic morpholithogenesis. Most abrupt change falls on the middle Pliocene.