Tsukuba Conference, Tsukuba 29 October – 1 November 2010 Tentative comparative chronology for the 7th millennium Olivier Nieuwenhuyse, with Marie Le Miere, Walter Cruells, Yutaka Miyake. Euphrates Balikh Khabur Tigris Halula Akarcay Phase 5 Primitif Halaf Early-Halaf Early-Halaf Early-Halaf Phase 4 Proto-Halaf Transitional Proto-Halaf Hakemi Use Phase 3 Later Pre- Halaf Phase 3 Pre-Halaf Proto- Hassuna Khazna Seker: A-4 A-5 A-6 Salat C.Y. phase 3 Phase 2 Middle Pre-Halaf Phase 2 Early Pottery Neolithic Phase 1 Early Pre-Halaf Phase 1 Initial Pottery Neolithic Pre-Proto Hasuna A-7 A-8 Salat C.Y. phase 2 A-8 A-9 A-10 A-11 A-12 Salat C.Y. phase 1 PPNB PPNB PPNB