Koma baya na Atlelian

Komawar Atelian ya kasance koma baya mai tsawo na Tekun Caspian a tsakiyar Late Pleistocene . Ya faru ne tsakanin Laifin Khazarian da Laifin Khvalynian. An sanya masa suna ne bayan abubuwan da ke cikin Atelian da Pavel Pravoslavlev (1918) ya gano a lokacin aikinsa na 1903-1932 a kan ilimin ƙasa na Pleistocene na yankunan Sub-Caspian da Lower Volga a cikin sassan Arewacin Caspian Depression, wanda ya haɗa su cikin tsarin Atelian An kira kwandon Koma baya na Atlelian. Kalmar ta samo asali ne daga sunan tarihi na Kogin Volga (wanda aka sani a cikin harsuna daban-daban na gida kamar Itil, Atil, Idel, Atel, da dai sauransu) T. Yanina et al., Paleogeography of the Atelian regression in the Caspian Sea (based on drilling data), Quaternary International, Volume 590, 20 July 2021, Pages 73-84, 

Wasu masu bincike sun yi iƙirarin cewa ya kasance mai zurfi (sama da -100 zuwa -150m), [1] amma masu bincike sun bambanta sosai dangane da zurfinsa, shekaru, da tsawonsa, [2] misali, suna da'awar yana da kusan -20m dangane da matsakaicin Khazarian.[3][2]￼

 Manazarta 

 Ƙarin karantawa 

 Popov G. I. , Pleystocen Black-Kasspian rivers (стратиography, correляation, paleofanitics, tarihin ilimin ƙasa), shafi na 22 ya bayyana layers na Atelian 
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