Claim: The Neolithic of Jeitun type is the earliest settlement of Ulug-depe followed by Proto-Chalcolithic then Early-Chalcolithic as revealed by Viktor Sarianidi who was an archaeologist.
Evidence: Neolithic of Jeitun type 6200–5000 BCE Proto-Chalcolithic (Anau Ia) 5200–4800 BCE Early-Chalcolithic (Namazga I) 4800–4000 BCE In the late 1960s, the Soviet archaeologist, Victor Sarianidi revealed the importance of Ulug Depe, with the occupation of the site ranging from the Neolithic (6th millennium BC) to the Achaemenid period (1st millennium BCE).