Large-scale mapping of neotectonics of platform territories: Case study of Moscow |
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Authors: | S V Grigor’eva V I Makarov |
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Institution: | 1.Institute of Environmental Geoscience,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | The experience in large scale (1: 50000–1: 10000) neotectonic mapping of platform areas is discussed. The structural characteristics
of the geological environment (the large size of major structural forms, the extremely low gradients, speeds, and the amplitudes
of the most recent and modern tectonic movements, etc.) cause some difficulties for their cartographic representation. A considerable
part of legends of neotectonic maps of platforms mostly reflect the geomorphologic component, which is an indirect indicator
to the most recent structures and, in essence, such maps are geomorphologic-neotectonic. The large-scale neotectonic mapping
requires a comprehensive analysis of the nature and age of all significant elements of earth surface topography and the structure
of Cenozoic deposits, the identification of the regularities in their space and time development that can be caused by and
attributed to geodynamic factors. Such studies must be based on materials of medium- and small-scale generalizations. |
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