Deep Structure of the Middle Urals According to Magnetic and Gravitational Data
Abstract and keywords
Abstract (English):
For the Middle Urals and adjacent territories of the East European and West Siberian platforms within geographic coordinates from 56∘ to 60∘ northern latitude and from 54∘ to 66∘ east longitude, the structural features of the anomalous magnetic and gravitational fields were studied and maps of separated anomalies were constructed for three layers of the Earth's crust. Using original parallel algorithms for solving forward and inverse problems of gravimetry and magnetometry, a density model of the lithosphere and sources of magnetic anomalies in the Earth's crust were constructed. The results of modeling the sources of magnetic anomalies in the Earth's crust are compared with the density model in order to study the differences in the deep structure of the western and eastern sectors of the Ural fold system, as well as the zones of junction of the Paleozoic Uralian orogen with the ancient East European and Epi-Gercinian West Siberian platforms.

Keywords:
magnetic and gravitational anomalies, inverse problems of gravimetry and magnetometry, Earth’s crust 3D models, Middle Urals
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References

1. Geotravers .GRANIT. : Vostochno-Evropeyskaya platforma Ural Zapadnaya Sibir' (Stroenie zemnoy kory po rezul'tatam kompleksnyh geologo-geofizicheskih issledovaniy) / pod red. S. N. Kashubina. — Ekaterinburg : Bazhenovskaya geofizicheskaya ekspediciya, 2002. — 312 s.

2. Gosudarstvennaya geologicheskaya karta Rossiyskoy Federacii masshtaba 1:1000000 (tret'e pokolenie) O-41. — S-Peterburg : VSEGEI, 2011.

3. Druzhinin V. S., Karetin Yu. S., D'yakonova A. G. i dr. Kompleksnye geofizicheskie issledovaniya litosfery Srednego Urala po Artinskomu profilyu // Otechestvennaya geologiya. — 2003.

4. Druzhinin V. S., Karetin Yu. S., Rybalka V. M. i dr. Novye dannye o glubinnom stroenii Urala (po rezul'tatam issledovaniy na Krasnoural'skom profile GSZ) // Doklady Akademii nauk SSSR. — 1981. — T. 258, № 1. — S. 173—176.

5. Ladovskiy I. V., Martyshko P. S., Cidaev A. G. i dr. Plotnostnaya model' litosfery Sredneural'skogo segmenta // Fizika zemli. — 2023. — № 2. — S. 62—77. — DOI:https://doi.org/10.31857/S0002333723020084.

6. Martyshko P. S., Ladovskiy I. V., Gemaydinov D. V. O vybore parametra regulyarizacii v zadache analiticheskogo prodolzheniya gravitacionnyh poley (razdelenie anomaliy ot raznoglubinnyh istochnikov) // Geologiya i geofizika. — 2021. — T. 64, № 1. — S. 112—122. — DOI:https://doi.org/10.15372/gig2021185.

7. Martyshko P. S., Ladovskiy I. V., Fedorova N. V. i dr. Teoriya i metody kompleksnoy interpretacii geofizicheskih dannyh. — Ekaterinburg : UrO RAN, 2016. — 94 s.

8. Novoselickiy V. M. K teorii opredeleniya izmeneniya plotnosti v gorizontal'nom plaste po anomaliyam sily tyazhesti // Izvestiya AN SSSR. Seriya Fizika Zemli. — 1965. — № 5. — S. 25—32.

9. Puchkov V. N. Geologiya Urala i Priural'ya. Aktual'nye voprosy stratigrafii, tektoniki, geodinamiki i metallogenii. — Ufa : DizaynPoligrafServis, 2010. — 280 s.

10. Rublev A. L. O vybore parametra regulyarizacii pri reshenii obratnoy zadachi magnitometrii // Ural'skiy geofizicheskiy vestnik. — 2021. — 3(45). — S. 19—25. — DOI:https://doi.org/10.25698/UGV.2021.3.3.19.

11. Sobolev I. D. Tektonicheskaya shema Severnogo, Srednego i severo-vostochnoy chasti Yuzhnogo Urala M 1:2500000 // Geologiya SSSR. T. XII. Kn. 2. Ch. 1. — Moskva : Nedra, 1969.

12. Tihonov A. N., Samarskiy A. A. Uravneniya matematicheskoy fiziki. — Moskva : Nauka, 1966. — 724 s.

13. Fedorova N. V. Modeli namagnichennosti zemnoy kory po geotraversu Granit // Ural'skiy geofizicheskiy vestnik. — 2001. — № 2. — S. 88—94.

14. Chursin A. V., Prut'yan A. M., Fedorova N. V. Cifrovaya karta anomal'nogo magnitnogo polya Severnogo, Srednego i Yuzhnogo Urala i prilegayuschih territoriy Vostochno-Evropeyskoy i Zapadno-Sibirskoy platform // Litosfera. — 2008. — № 6. — S. 63—72.

15. Fedorova N. V., Rublev A. L. Numerical Modeling of the Sources of Magnetic Anomalies in the South Urals Earth’s Crust // Russian Geology and Geophysics. — 2019. — Vol. 60, no. 11. — P. 1310–1318. — DOI:https://doi.org/10.15372/RGG2019106.

16. Martyshko P. S., Fedorova N. V., Akimova E. N., et al. Studying the structural features of the lithospheric magnetic and gravity fields with the use of parallel algorithms // Izvestiya, Physics of the Solid Earth. — 2014. — Vol. 50, no. 4. — P. 508–513. — DOI:https://doi.org/10.1134/S1069351314040090.

17. Martyshko P. S., Fedorova N. V., Byzov D. D. Computer technology for separating lithospheric magnetic anomalies // Geoinformatics. — European Association of Geoscientists & Engineers, 2021a. — DOI:https://doi.org/10.3997/2214- 4609.20215521087.

18. Martyshko P. S., Fedorova N. V., Rublev A. L. Numerical algorithms for structural magnetometry inverse problem solving // Russian Journal of Earth Sciences. — 2021b. — Vol. 21, no. 3. — ES3002. — DOI:https://doi.org/10.2205/2021ES000766.

19. Martyshko P. S., Ladovskii I. V., Byzov D. D. Parallel Algorithms for Solving Inverse Gravimetry Problems: Application for Earth’s Crust Density Models Creation // Mathematics. — 2021c. — Vol. 9, no. 22. — P. 2966. — DOI:https://doi.org/10.3390/math9222966.

20. Martyshko P. S., Ladovskii I. V., Byzov D. D., et al. On stable solution of 3D gravity inverse problem // AIP Conference Proceedings. — 2017. — DOI:https://doi.org/10.1063/1.4992204.

21. Zingerle P., Pail R., Gruber T., et al. The combined global gravity field model XGM2019e // Journal of Geodesy. — 2020. — Vol. 94, no. 7. — DOI:https://doi.org/10.1007/s00190-020-01398-0

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