[12][7] The formation of genuine nomadic pastoralism itself happened in the early 1st millennium BC due to climatic changes which caused the environment in the Central Asian and Siberian steppes to become cooler and drier than before.
[19] The Chernogorovka-Novocherkassk complex thus covered the area ranging from Central Europe and the Hungarian Plain in the west to the Pontic and Ciscaucasian Steppes in the east.
[25] Another direction of expansion of the Arzhan-Chernogorovka cultural layer was represented by the movements of the Cimmerians and Scythians to the south of the Caucasus into West Asia during the 8th to 7th centuries BC.
Many decorative parts of horse harnesses and personal ornaments are rare in the Chernogorovka-Novocherkassk complex, while open-work rattles were used for rituals, and Maltese crosses had a religious significance.
[28] The Chernogorovka-Novocherkassk complex covered a wide territory ranging from Central Europe and the Pannonian Plain in the west to Caucasia in the east, including present-day Southern Russia.