The mainstay of the Irmen economy was extensive animal husbandry. Stationary houses of Irmen people were large, sometimes exceeding. Villages had several such large dwellings. Next to houses were found large deposits of ash.
Archeology
Irmen people buried their deceased by inhumation in kurgan cemeteries, with up to 17 predominantly oriented SW graves in a single kurgan, bodies in crouched position, except when inhumation was conducted after ground thawed or bodies were first exposed, and bone remains were mixed. Kurgans were encircled by sometimes rectangular trenches open at the entrance, deposits include vessels and animal bones of funeral feasts. Individual graves were framed with wooden logs, covered by logs laid across. Accompanying inventory furnished ceramic vessels with food, darts with bronze heads, knives, deceased wore bronze jewelry ornaments of earrings, pendants, bead necklaces. Irmen dishes are of household and finery type with geometric ornament and rounded bottoms, finery dishes have mostly flat bottom. Ornamentation of finery dishes is much closer to the Karasuk vessels than of the household ceramics, but ornamentation is similar for both groups.
Genetic composition
In general, migration wave of Andronovo cultural-historical community tribes, where their physical type, conflated with local tribes and went on ethnogenesis of the Andronoid cultures. The phenotype features of Irmen people are distinctive, they developed from the localEneolithic culture, in its formation participated Caucasoid population of Eastern Mediterranean type, migrants from Central Asia.
Literature
Kosarev M.F., "Bronze Age in Western Siberia", Moscow, 1981
Kosarev M.F., "Origin of Irmen culture"//Monuments of Eurasia Stone and Bronze Ages. Moscow, 1966. pp. 169–175, in Kosarev M.F., "Ancient cultures of Tomsk-Narym Ob area", Moscow, 1974
Chlenova N.L., Dating of Irmen culture//Chronology and cultural affiliation problems of archaeological sites in Western Siberia, Tomsk, 1970, pp. 133–149
Chikisheva T.A., Dynamics of anthropological differentiation in population of southern Western Siberia in Neolithic – Early Iron Age, Professorial dissertation, Novosibirsk, 2010, section Conclusions http://www.dissercat.com/content/dinamika-antropologicheskoi-differentsiatsii-naseleniya-yuga-zapadnoi-sibiri-v-epokhi-neolit