<abstract xmlns="http://www.w3.org/1999/xhtml">The use of materials for remote sensing of the Earth made it possible to identify a new type of crustal structures and features of their expression in relief. These are ring structures that complicate the structure of the studied structures of a linear type. As a result of the study of the morphology, geological and tectonic structure of ring structures, it was established that they represent formations of various origins: pluton-volcanic, cosmogenic, and anthropogenic. Cosmogenic structures of different ages and differ in various degrees of transformation.The relief of the identified cosmogenic structures within the limits of the Turan Plains, the Kazakh small hills and mountains of South-Eastern Kazakhstan is transformed by exogenous processes. The defining indicator features of cosmogenic structures include geomorphological, geological, structural tectonic, and also landscape. The degree of change in the initial cosmogenic relief depends on the time of formation, paleogeographic and modern physiographic conditions of the territories. Under the arid conditions of Kazakhstan’s epyhercynian platform, the main factor in the preservation of the “primary” morphology of meteorite craters is the lithologic stratigraphic complexes of the ring shaft. For the studied cosmogenic structures, in particular, the meteorite craters of Saryarka, a distinct geodynamic zoning of the development of exomorphogenesis processes is characteristic. The main exogenous processes include gravity-slope, surface washout, ravine and river erosion, processes of complex denudation and accumulation. The factors and processes of creating a modern crater relief morphology are established.These studies of cosmogenic ring structures of Kazakhstan have not only theoretical significance, revealing the role of cosmogenic processes of the formation of the Earth as a planet, but also have immediate practical importance. Meteorite craters are indicators of mineral deposits.</abstract>

The use of materials for remote sensing of the Earth made it possible to identify a new type of crustal structures and features of their expression in relief. These are ring structures that complicate the structure of the studied structures of a linear type. As a result of the study of the morphology, geological and tectonic structure of ring structures, it was established that they represent formations of various origins: pluton-volcanic, cosmogenic, and anthropogenic. Cosmogenic structures of different ages and differ in various degrees of transformation.The relief of the identified cosmogenic structures within the limits of the Turan Plains, the Kazakh small hills and mountains of South-Eastern Kazakhstan is transformed by exogenous processes. The defining indicator features of cosmogenic structures include geomorphological, geological, structural tectonic, and also landscape. The degree of change in the initial cosmogenic relief depends on the time of formation, paleogeographic and modern physiographic conditions of the territories. Under the arid conditions of Kazakhstan’s epyhercynian platform, the main factor in the preservation of the “primary” morphology of meteorite craters is the lithologic stratigraphic complexes of the ring shaft. For the studied cosmogenic structures, in particular, the meteorite craters of Saryarka, a distinct geodynamic zoning of the development of exomorphogenesis processes is characteristic. The main exogenous processes include gravity-slope, surface washout, ravine and river erosion, processes of complex denudation and accumulation. The factors and processes of creating a modern crater relief morphology are established.These studies of cosmogenic ring structures of Kazakhstan have not only theoretical significance, revealing the role of cosmogenic processes of the formation of the Earth as a planet, but also have immediate practical importance. Meteorite craters are indicators of mineral deposits.

Exomorphogenesis of Cosmogenic Ring Structures of Kazakhstan

Cartography and Geoinformatic Department of al-Farabi

Journal of Landscape Ecology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Exomorphogenesis of Cosmogenic Ring Structures of Kazakhstan"}

The use of materials for remote sensing of the Earth made it possible to identify a new type of crustal structures and features of their expression in relief....

Exomorphogenesis of Cosmogenic Ring Structures of Kazakhstan

Publié en ligne: 16 mars 2019

Pages: 49 - 58

Reçu: 02 août 2018

Accepté: 02 janv. 2019

DOI: https://doi.org/10.2478/jlecol-2019-0004

Mots clés
ring structures, cosmogenic structures, meteorite craters, ring faults, exomorphogenesis factors, exogenous processes, water erosion, landslides, indicators of the field of mineral deposits

© 2019 Larysa Veselova et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Exomorphogenesis of Cosmogenic Ring Structures of Kazakhstan

Publié en ligne: 16 mars 2019

Pages: 49 - 58

Reçu: 02 août 2018

Accepté: 02 janv. 2019

DOI: https://doi.org/10.2478/jlecol-2019-0004

Mots clésring structures, cosmogenic structures, meteorite craters, ring faults, exomorphogenesis factors, exogenous processes, water erosion, landslides, indicators of the field of mineral deposits

© 2019 Larysa Veselova et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
ring structures, cosmogenic structures, meteorite craters, ring faults, exomorphogenesis factors, exogenous processes, water erosion, landslides, indicators of the field of mineral deposits