Connection of Kryvbas tectonics with natural and technogenic seismicity
نویسندگان
چکیده
Purpose. Studying the tectonic features of structure earth’s crust Kryvyi Rih-Kremenchuk suture zone to clarify nature origin seismic events in Kryvbas. Methodology. To analyze and generalize data on Kryvbas seismicity with reference large-scale geological maps exploration work. study its based geological, geophysical studies drilling Rih superdeep well. Findings. In period 2011–2021, about 1,200 were recorded territory Kryvbas, majority which had a minor magnitude 2.0. Among them there identified 13 powerful industrial explosions from mb = 2.7–3.5 20 earthquakes 2.1–4.5. Powerful mines predominantly induce earthquakes. recent years, local began occur fault zones outside ore mining area, indicates change elastic-deformation state environment. The analysis attributes their locations suggests that system entire eastern flank West Inhulets-Kryvyi are geodynamically active structures, where processes thrust shear tectonics also observed time scale. Originality. A detailed shows some at significant depths faults At same time, separate directions activated, brittle deformations viscous-plastic formations manifested past time. location made it possible single out two sections five linear activity region. Practical value. Based results this research is create an applied model section solve problems evolution geodynamics lithosphere Ukrainian shield, mountain geology optimize mining. inherited development important determining paths for quarries
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ژورنال
عنوان ژورنال: Naukovij vìsnik Nacìonal?nogo gìrni?ogo unìversitetu
سال: 2023
ISSN: ['2071-2227', '2223-2362']
DOI: https://doi.org/10.33271/nvngu/2023-2/005