Chronology of Yatsugatake Late Palaeolithic Age







Phase 1 (22000-20000y.B.P)Knife-shaped tool industry
 Phase 2 (20000-16000y.B.P)Knife-shaped tool industry
Phase 3 (16000-14000y.B.P)Point tool industry
Phase 4 (14000-12000y.B.P)Microblade industry
Phase 5 (12000-10000y.B.P)Point tool industry with the oldest pottery

1. Microblades:Nakappra5B site Phase 5 (13000y.B.P) (monograph)

Obsidian


2. Microblade-cores:Nakappra5B site Phase 5 (13000y.B.P)

Obsidian

3. Lithic Artifacts:Nakappra5B site Phase 5 (13000y.B.P)

Burins, Borer, Endscrapers and Sidescrapers

4. Sidescrapers:Nakappra5B site Phase 5 (13000y.B.P)

Green Chert


5. Pebbletool and Snapped flakes: Nakappra5B site Phase 5(13000y.B.P)

Hornfels and Obsidian


6. Microblade-cores:Nakappra1G site Phase 4 (13000y.B.P) (monograph)

From Yatsugatake Obsidian Source


7. Microblades, Endscrapers and Sidescrapers: Nakappra1G site Phase 5(13000y.B.P) (monograph)

Obsidian and Green Chert


8. Use-wear of Microblades:Nakappra5B site

Striation (X100)

9. Hunting of Gigantic-deer


By Hiroko Sakai


10. Knife-shaped tools and Points from Yatsugatake plateau

11. Knife-shaped tools and Points from Yatsugatake plateau

12. Knife-shaped tools, Points and Microblade-core from Yatsugatake plateau

13. Points from Babadaira site