Beyenchime-Salaatin is an

impact crater An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters ...

(

astrobleme An impact structure is a generally circular or craterlike geologic structure of deformed bedrock or sediment produced by impact on a planetary surface, whatever the stage of erosion of the structure. In contrast, an impact crater is the sur ...

) in the

Russian Far East The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admini ...

. It is in

diameter In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for ...

and is estimated to be 40 ± 20 million years old (

Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...

). The crater is exposed at the surface and is located in the

Beyenchime The Beyenchime (russian: Беенчиме sah, Бэйэнчимэ) is a river in Yakutia (Sakha Republic), Russia. It is a tributary of the Olenyok with a length of . Its drainage basin area is . The river flows north of the Arctic Circle acr ...

river basin, south of the course of its left tributary, the

Beyenchime Salaata The Beyenchime (russian: Беенчиме sah, Бэйэнчимэ) is a river in Yakutia (Sakha Republic), Russia. It is a tributary of the Olenyok with a length of . Its drainage basin area is . The river flows north of the Arctic Circle acr ...

(Бэйэнчимэ-Салаата).

References

Impact craters of Russia Eocene impact craters Impact craters of the Arctic Landforms of the Sakha Republic {{SakhaRepublic-geo-stub