Morphologic types of orogens as indicators of their origin and formation conditions

N. V. Makarova; N. I. Korchuganova; V. I. Makarov

Morphologic types of orogens as indicators of their origin and formation conditions

N. V. Makarova, N. I. Korchuganova, V. I. Makarov

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Abstract

Morphologic features of orogens may serve as indicators of their geodynamic conditions. Linear systems of asymmetric ridges and basins are characteristics of compression orogens. There are piedmonts, inner ridges, incised river valleys in the basins. Tension orogens consist of asymmetric ridges with steep slopes and flat-bedded, often lacustrine, wide or gap-shaped basins without piedmonts. Changes of geodynamic conditions cause the rise of corresponding morphologic peculiarities. Common for all geodynamic conditions are manifestation of the cross structural plane in relief and stadiality of orogens formation.

About the Authors

N. V. Makarova

Московский государственный университет имени М.В.Ломоносова, Геологический факультет
Russian Federation

N. I. Korchuganova

Московская государственная геологоразведочная академия
Russian Federation

V. I. Makarov

Институт геоэкологии РАН
Russian Federation

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For citations:

Makarova N.V., Korchuganova N.I., Makarov V.I. Morphologic types of orogens as indicators of their origin and formation conditions. Geomorfologiya. 2000;(1):14-26. (In Russ.)