Impact Crater Lakes of the European Part of Russia.
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| Title: | Impact Crater Lakes of the European Part of Russia. |
|---|---|
| Authors: | Engalychev, S. Yu.1 (AUTHOR) sleng2005@mail.ru, Makkaveev, A. N.2 (AUTHOR) aleksander.mackaveeff@yandex.ru |
| Source: | Doklady Earth Sciences. 2024 Suppl 1, Vol. 519, pS169-S177. 9p. |
| Subjects: | Crater lakes, Meteorite craters, Endorheic lakes, Surface of the earth, Earth sciences, Meteorites |
| Abstract: | The origin of a number of impact formations (astroblemes), including lake depressions in the European part of Russia, is unknown. Many of them are very ancient, having arisen many millions of years ago. They are hidden under the sequences of rocks accumulated after the lake formation and are not visible on the surface of the Earth. The crater lakes are only "hypothesized" on satellite images or in the pattern of a river network. Among these are Kaluga, Karla, Kursk, Gagarin (Gzhatsk), and one of the largest meteorite craters on our planet, Puchezh-Katunki, with a diameter of almost 80 km. These lakes, and even the largest ones, can only be detected by geological methods, and they cannot always be unambiguously attributed to astroblemes. The only ancient crater found in the European part of Russia that is not hidden under the thickness of rocks is located in Karelia. It is occupied by Janisjärvi Lake. To date, there is evidence that the depressions of Smerdyachye, Svetloyar, and Rabiga Kul lakes are "young" (formed in the Holocene) meteorite craters. Morphological signs of the meteorite origin for such lakes are supported by the presence of an asymmetrical uplifted rim surrounding them with steep inner slopes facing the depression and gentle outer slopes. In the structure of the uplifted rim, there are fragments of rocks that have been ejected from the depression during the impact of a meteorite as well as impactites—fragments of rocks cemented by a glassy mass, with melted grains of quartz, feldspar, and zircon. The underlying sediments of the uplifted rims are deformed as a result of their squeezing from the center of the crater by the blast wave and crushing. The depth of such lakes is abnormally deep compared to neighboring lakes. The most studied lake of this type is Smerdyachye Lake located 140 km southeast of Moscow. The meteorite fell not earlier than not earlier than 9–10 ka BP. The appearance and structure of the lake depression combine the features of a meteorite crater and a karst depression. When the meteorite collided with the Earth's surface, the crater was formed and deep-lying soluble carbonate rocks were opened. The lake that arose in the crater began to develop as a karst lake. Svetloyar Lake (Nizhny Novgorod oblast) is widely known thanks to the legend of the "invisible city of Kitezh," which once sank to the bottom of the lake. The hills bordering the lake on the south side are composed of deformed Triassic clayey sediments. On the slopes of the hills, there are fragments of the Permian rocks 3–3.2 ka BP, ejected from a depth of at least 70 m during the impact of a meteorite on the Earth. Rabiga Kul Lake is located at the confluence of the Volga and Kama. The depth of the depression from the crest of uplifted rims to its bottom is up to 37 m. The age of the meteorite fall does not exceed 15 ka. [ABSTRACT FROM AUTHOR] |
| Copyright of Doklady Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
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| Items | – Name: Title Label: Title Group: Ti Data: Impact Crater Lakes of the European Part of Russia. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Engalychev%2C+S%2E+Yu%2E%22">Engalychev, S. Yu.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sleng2005@mail.ru</i><br /><searchLink fieldCode="AR" term="%22Makkaveev%2C+A%2E+N%2E%22">Makkaveev, A. N.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> aleksander.mackaveeff@yandex.ru</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Doklady+Earth+Sciences%22">Doklady Earth Sciences</searchLink>. 2024 Suppl 1, Vol. 519, pS169-S177. 9p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Crater+lakes%22">Crater lakes</searchLink><br /><searchLink fieldCode="DE" term="%22Meteorite+craters%22">Meteorite craters</searchLink><br /><searchLink fieldCode="DE" term="%22Endorheic+lakes%22">Endorheic lakes</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+of+the+earth%22">Surface of the earth</searchLink><br /><searchLink fieldCode="DE" term="%22Earth+sciences%22">Earth sciences</searchLink><br /><searchLink fieldCode="DE" term="%22Meteorites%22">Meteorites</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The origin of a number of impact formations (astroblemes), including lake depressions in the European part of Russia, is unknown. Many of them are very ancient, having arisen many millions of years ago. They are hidden under the sequences of rocks accumulated after the lake formation and are not visible on the surface of the Earth. The crater lakes are only "hypothesized" on satellite images or in the pattern of a river network. Among these are Kaluga, Karla, Kursk, Gagarin (Gzhatsk), and one of the largest meteorite craters on our planet, Puchezh-Katunki, with a diameter of almost 80 km. These lakes, and even the largest ones, can only be detected by geological methods, and they cannot always be unambiguously attributed to astroblemes. The only ancient crater found in the European part of Russia that is not hidden under the thickness of rocks is located in Karelia. It is occupied by Janisjärvi Lake. To date, there is evidence that the depressions of Smerdyachye, Svetloyar, and Rabiga Kul lakes are "young" (formed in the Holocene) meteorite craters. Morphological signs of the meteorite origin for such lakes are supported by the presence of an asymmetrical uplifted rim surrounding them with steep inner slopes facing the depression and gentle outer slopes. In the structure of the uplifted rim, there are fragments of rocks that have been ejected from the depression during the impact of a meteorite as well as impactites—fragments of rocks cemented by a glassy mass, with melted grains of quartz, feldspar, and zircon. The underlying sediments of the uplifted rims are deformed as a result of their squeezing from the center of the crater by the blast wave and crushing. The depth of such lakes is abnormally deep compared to neighboring lakes. The most studied lake of this type is Smerdyachye Lake located 140 km southeast of Moscow. The meteorite fell not earlier than not earlier than 9–10 ka BP. The appearance and structure of the lake depression combine the features of a meteorite crater and a karst depression. When the meteorite collided with the Earth's surface, the crater was formed and deep-lying soluble carbonate rocks were opened. The lake that arose in the crater began to develop as a karst lake. Svetloyar Lake (Nizhny Novgorod oblast) is widely known thanks to the legend of the "invisible city of Kitezh," which once sank to the bottom of the lake. The hills bordering the lake on the south side are composed of deformed Triassic clayey sediments. On the slopes of the hills, there are fragments of the Permian rocks 3–3.2 ka BP, ejected from a depth of at least 70 m during the impact of a meteorite on the Earth. Rabiga Kul Lake is located at the confluence of the Volga and Kama. The depth of the depression from the crest of uplifted rims to its bottom is up to 37 m. The age of the meteorite fall does not exceed 15 ka. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Doklady Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1134/S1028334X24604851 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 9 StartPage: S169 Subjects: – SubjectFull: Crater lakes Type: general – SubjectFull: Meteorite craters Type: general – SubjectFull: Endorheic lakes Type: general – SubjectFull: Surface of the earth Type: general – SubjectFull: Earth sciences Type: general – SubjectFull: Meteorites Type: general Titles: – TitleFull: Impact Crater Lakes of the European Part of Russia. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Engalychev, S. Yu. – PersonEntity: Name: NameFull: Makkaveev, A. N. IsPartOfRelationships: – BibEntity: Dates: – D: 02 M: 12 Text: 2024 Suppl 1 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 1028334X Numbering: – Type: volume Value: 519 Titles: – TitleFull: Doklady Earth Sciences Type: main |
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