Zapadnaya (Bilylivka) 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 crater ...
in
Ukraine
Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...
near the village of
Bilylivka in the southeasternmost edge of
Zhytomyr Oblast
Zhytomyr Oblast ( uk, Жито́мирська о́бласть, translit=Zhytomyrska oblast), also referred to as Zhytomyrshchyna ( uk, Жито́мирщина}) is an oblast (province) of northern Ukraine. The administrative center of the obla ...
and near the border of
Vinnytsia Oblast
Vinnytsia Oblast ( uk, Ві́нницька о́бласть, translit=Vinnytska oblast; ; also referred to as Vinnychchyna — uk, Ві́нниччина) is an oblast of western and southwestern Ukraine. Its administrative center is Vinnytsia. ...
. It is situated in the northwestern part of the Ukrainian crystalline shield.
It is in diameter and the age is estimated to be 165 ± 5 million years, placing it in the
Middle Jurassic. The crater is not exposed at the surface.
References
Further reading
* Gurov E.P., Gurova E.P., Sokur T.M., Geology and Petrography of the Zapadnaya impact crater in the Ukrainian shield, 2000
* Gurov, E. P., Gurova, E.P. and Rakitskaya,R.B., Impact diamonds of the Zapadnaya crater: Phase composition and some properties (abstract). Meteoritics & Planetary Science, v. 31, p. A56. 1996
* Gurov, E. P., Gurova, E.P. and Rakitskaya,R.B., Impact diamonds in the craters of the Ukrainian shield (abstract). Meteoritics, v. 30, pp. 515–516. 1995
* Gurov, E. P., The characteristics of the geological structure of the eroded astrobleme in the western part of the Ukrainian Shield (in Russian). Dipovidi Adademii Nauk Ukrainskoi Rodyanskoi Sotsialistychnoi Respubliky, Seriya "B", pp. 8-11. 1985
* Sokur, T. M., Shock Metamorphism of Quartz of the Zapadnaya Crater, LPSC XXIX, Lunar and Planetary Institute, Houston, TX, (CD-ROM). 1998
Impact craters of Ukraine
Jurassic impact craters
Middle Jurassic Europe
Geography of Vinnytsia Oblast
Geography of Zhytomyr Oblast
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