| Home | Index | Japaneses Archaeology | May 4, 2000 | 
by Charles T. Keally
| Period / Subperiod  | 
	Sub- subperiod  | 
	Phase / Pottery Type | ||
| Southern Tohoku | Northern Tohoku | Hokkaido | ||
| Late Yayoi | Tennoyama | Chokaisan Chitose  | 
	Ebetsu Kohoku B, C  | 
|
| . | Oishitai 2 | |||
| Middle Yayoi | . | Nembutsuma Jusanzuka Yasakatai  | 
	Esan IV | |
| . | Inakadate 2, 3 2,080±110  | 
	Esan III | ||
| . | Utetsu II Isawa Inakadate 1 Omotedate  | 
	Esan II | ||
| Early Yayoi | . | Gosho Nimaibashi Oishitai 1 Seno  | 
	Esan I | |
| . | Sunasawa | Obora A, A' | ||
| Latest  Jomon  | 
	late | Obora A' | Makino Obora A' Ken'yoshi  | 
|
| Obora A | Obora A Kuzusawa  | 
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| middle | Obora C2 2,708 (ave. N=4)  | 
	Obora C2 Imatsu  | 
	Obora C2 | |
| Obora C1 | Obora C1 2,865 (ave. N=20) [Table 1] (range 2,780-2,920) Imatsu  | 
	Obora C1 | ||
| early | Obora BC | Obora BC Korekawa  | 
	Obora BC | |
| Obora B | Obora B Tokoshinai VI 2,820±130 (N-110)  | 
	Obora B | ||
| Late  Jomon  | 
	end | Nishinohama | Tokoshinai V | Gotenyama | 
| late | . | Tokoshinai IV | Tobayashi | |
| . | Tokoshinai III | |||
| Miyato 2 | Tokoshinai II Oyu 3,680±130 (N-114) 3,330±110  | 
	Teine | ||
| early | Miyato 1 | Tokoshinai I 3,490±95  | 
	Irie | |
| . | Iyasakatai | |||
| . | Okizuke | |||
| Monzen | Ushigasawa Omagari I  | 
	Yoichi | ||
| Middle  Jomon  | 
	end | Daigi 10 | Daigi 10 | |
| . | Saibana Nakanotai III 3,670±120  | 
	|||
| late | Daigi 9 | Nakanotai II | ||
| Daigi 8b | Enokibayashi | Enokibayashi 4,190±190 (Gak-5224)  | 
||
| . | Nakanotai I | |||
| Ento Upper series  | 
	Daigi 8a | Ento Upper e | ||
| . | Ento Upper d | |||
| Daigi 7b | Ento Upper c 4,580±300  | 
	Ento Upper b, c 4,660±100 (Gak-5493) 5,230±170 (Gak-5494) 5,350±110 (Gak-5497)  | 
||
| Daigi 7a | Ento Upper b | |||
| Nukazuka | Ento Upper a | Ento Upper a | ||
| Early  Jomon  | 
	middle / Ento Lower series  | 
	Daigi 5-6 4,880±120 (TH-265) 4,440±120 (TH-305b)  | 
	Ento Lower d2 Ishigami  | 
	Ento Lower d 5,440±105 (Gak-5492)  | 
| Daigi 3-4 4,820 (ave. N=6) (range 4,710-4,990)  | 
	Ento Lower d1 Ishigami  | 
|||
| Daigi 2b | Ento Lower c 4,930±90 (N-3914) 4,790±100 (N-3916) 4,850±90 (N-3915)  | 
	Ento Lower c | ||
| Daigi 2a | Ento Lower b2 4,870±130 (N-242)  | 
	Ento Lower b 4,900±95 (N-2504)  | 
||
| . | Ento Lower b1 | |||
| Daigi 1 | Ento Lower a1, a2 5,300±330 Sannai Maruyama layer VIa Sannai Maruyama layer VIb  | 
	Ento Lower a 5,003 (ave. N=7) (ave. 4,710-5,430)  | 
||
| . | Fugoda | |||
| early | . | Waseda 6 | Kasugacho | |
| . | Omotedate Ashino  | 
	|||
| . | Choshichiyachi III | |||
| . | Omotedate XIII | |||
| . | Omotedate XII | |||
| . | Omotedate X 6,380±130  | 
	|||
| Earliest  Jomon  | 
	late / cord-marked  | 
	. | Omotedate IX | |
| . | Waseda 5 6,570±280 (Gak-7335)  | 
	|||
| . | Akamido Waseda 4 7,110±120 (N-2330) 7,180±150  | 
	|||
| . | Omotedate VI | |||
| line-marked | . | Mushiri I Waseda 3  | 
	||
| middle / shell-marked  | 
	. | Fukkirizawa Waseda 1-2  | 
	Sumiyoshicho Lower 7,705 (ave. N=6) (range 7,510-7,910)  | 
|
| . | Hotaruzawa A II | |||
| . | Monomidai Chitose 8,600±180  | 
	Monomidai 8,190±130 (N-2507) 8,030±105 (N-2508) 8,250±115 (N-2509)  | 
||
| . | Teranosawa | |||
| . | Neinuma | |||
| Daidera Tokiyo  | 
	Shirahama Kominatotai 8,800±180  | 
	|||
| early / rouletted  | 
	. | Hibakari | ||
| . | + | |||
| Plain | Usude Mumon | + | ||
| Incipient  Jomon  | 
	heavy- cord-marked cf. Muroya  | 
	Ichinosawa III Hinata III, IV  | 
	Kushibiki | |
| Nail- impressed  | 
	Ichinosawa II Hinata II  | 
	Kamotaira 2 | ||
| Linear- relief  | 
	Ichinosawa I Hinata I  | 
	Omotedate 1 Hatchazawa 1  | 
	||
| Plain | Ushirono | Odaiyamamoto I 13,150 (ave. N=6) [Table 2] Chojakubo below Hachinohe Pumice ca. 12,500-12,600  | 
	Higashi Rokugo 2 12,000±600 (OB-14C) 13,500±700 (OB-14C)  | 
|
BIBLIOGRAPHY
TABLES OF DATES SHOWN AS AVERAGES ABOVE
Table 1: Tobirakawa Site, Akita Pref.| pottery type | radiocarbon age | laboratory | material | half-life | 
| Obora C1 | 2,880±60 | (not given) | wood or charcoal  | 
	5,568 years | 
| 2,900±90 | ||||
| 2,850±70 | ||||
| 2,780±80 | ||||
| 2,800±80 | ||||
| 2,920±90 | ||||
| 2,900±60 | ||||
| 2,910±90 | ||||
| 2,910±70 | ||||
| 2,900±80 | ||||
| 2,880±80 | ||||
| 2,890±90 | ||||
| 2,850±60 | ||||
| 2,870±90 | ||||
| 2,790±80 | ||||
| 2,900±80 | ||||
| 2,790±90 | ||||
| 2,880±60 | ||||
| 2,9820±90 | ||||
| 2,880±70 | ||||
| unknown | 4,540±70 | (not given) | charcoal | |
| (Kokankyo Kenkyujo 2000, p. 213) | ||||
| pottery type | radiocarbon age | laboratory | material | half-life | 
| Plain | 12,680±140 | NUTA-6506 | charred adhesion  | 
	5,568 years | 
| 12,720±160 | NUTA-6509 | |||
| 13,030±170 | NUTA-6507 | |||
| 13,210±160 | NUTA-6515 | |||
| 13,780±170 | NUTA-6510 | |||
| 13,480±70 | Beta-125550 | charred conifer wood  | 
||
| (Odai Yamamoto I Iseki Hakkutsu Chosadan, 1999, pp. 110 & 136) | ||||
| pottery type | radiocarbon age | laboratory | material | half-life | 
| Obora C1 | 2,880±60 | (not given) | wood or charcoal  | 
	5,568 years | 
| (Kokankyo Kenkyujo, 2000, p. 213) | ||||