horizon and region were as follows: U4 (2 individuals), U2e, U5a1, Z, T1, T4, H, and K2b. A 2004 study also established that during the Bronze Age/Iron Age period, the majority of the population of Kazakhstan (part of the Andronovo culture during the Bronze Age), was of west Eurasian origin (with mtDNA haplogroups such as U, H, HV, T, I and W), and that prior to the 13th–7th century BC, all Kazakh samples belonged to European lineages. See also Proto-Indo-Iranian language Proto-Dravidian language Satemization Ariana Aryavarta Dravidian peoples Aryanization Indo-Aryan migrations Notes References Citations Sources . Jones-Bley, K.; Zdanovich, D. G. (eds.), Complex Societies of Central Eurasia from the 3rd to the 1st Millennium BC, 2 vols, JIES Monograph Series Nos. 45, 46, Washington D.C. (2002), , . . . . . . . Chopra, R. M., "Indo-Iranian Cultural Relations Through The Ages", Iran Society, Kolkata, 2005. Bibliography Guarino-Vignon, P., Marchi, N., Bendezu-Sarmiento, J. et al. Genetic continuity of Indo-Iranian speakers since the Iron Age in southern Central Asia. Sci Rep 12, 733 (2022). https://doi.org/10.1038/s41598-021-04144-4 Vasil'ev, I. B., P. F. Kuznetsov, and A. P. Semenova. "Potapovo Burial Ground of the Indo-Iranic Tribes on the Volga (1994). External links The Origin of the Pre-Imperial Iranian People by Oric Basirov (2001) The Origin of the Indo-Iranians Elena E. Kuz'mina. Edited by J.P. Mallory (2007) Ancient peoples of Asia Nomadic groups in Eurasia Indo-European peoples