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In the 1996 excavation, a large shell layer with a thickness of four meters and two shallow dish-shaped pits thought to be shell processing facilities were found. Since large and small roasted stones and lumps of oysters were excavated from the pit, it is presumed that this was a processing plant
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and two stone hearths. The canoe has a total length of 5.79 meters, maximum width of 0.72 meters, and is as thin as two cm at the bottom. Since there are burnt marks on various parts of the surface, it is thought that it was scraped with a stone tool while burning with fire. It is estimated to be
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about 6000 years ago, a sea-facing cliff was formed between
Akabane and Kaminoma by the invading waves. The Nakazato site is located just below this line. As the coastline receded, Nakazato became a wetland with a delta, and a peat layer containing a large amount of driftwood was deposited.
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were found, indicating that this was more of an industrial site specializing in processing dried shellfish for supply to inland areas than a normal midden associated with a settlement. It also raises the possibility that the cultivation of oysters, long thought to have been invented by
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with the Tōhoku
Shinkansen viaduct and the Shin-Tokyo Shinkansen Vehicle Center now occupying much of the area. Excavations conducted during the construction were performed at a rapid pace from 1982 to 1984. Subsequent investigations also revealed one
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During the early to middle Jōmon period (approximately 4000 to 2500 BC), sea levels were five to six meters higher than at present, and the ambient temperature was also two deg C higher. During this period, the Kantō region was inhabited by the
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used to open large quantities of shellfish by placing them in the pit, filling it with water, and then adding the heated stones to boil the water. From the excavated
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and oysters with a thickness of more than two meters was confirmed. Despite the significance of the site, much was destroyed during the construction of the
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about 4700 years old from the dating of the pottery excavated around it, and is the only Jōmon-period boat found thus far in the Tokyo area.
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was conducted in 1958 at the shell mound, which has been attracting attention since the
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Although the site is now located a considerable distance inland from the coast of
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and habits of Jōmon society. Most of these middens are found along the
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Artifacts from the site are preserved and displayed at the
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associated with the now-vanished inhabitants, and these
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490:(in Japanese). Agency for Cultural Affairs (Japan)
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548:Kita Ward Asukayama Museum official home page
518:(国指定史跡事典) National Historic Site Encyclopedia
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405:. The site is about a 10-minute walk from
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286:associated with such settlements contain
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464:List of Historic Sites of Japan (Tōkyō)
516:Isomura, Yukio; Sakai, Hideya (2012).
261:, extending about 1.1 kilometers from
38:cross-section of Nakazato Shell Midden
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242:in the Kaminakazato neighborhood of
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16:Archaeological site in Tokyo, Japan
556:Tokyo Cultural Properties Database
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210:National Historic Site of Japan
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343:archaeological excavation
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488:Cultural Heritage Online
335:Holocene glacial retreat
151:35.744472°N 139.754333°E
594:Historic Sites of Japan
584:Shell middens in Japan
418:Kami-Nakazato Station
263:Kami-Nakazato Station
221:Nakazato Shell Midden
156:35.744472; 139.754333
65:Nakazato Shell Midden
20:Nakazato Shell Midden
254:containing a middle
240:archaeological site
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422:Keihin Tōhoku Line
199:Public access
358:Tōhoku Shinkansen
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68:Show map of Tokyo
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589:History of Tokyo
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142:139°45′15.6″E
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492:. Retrieved
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456:Japan portal
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381:ancient Rome
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363:dugout canoe
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347:Meiji period
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306:, and other
280:Jōmon people
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259:shell midden
256:Jōmon period
248:Kantō region
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202:Yes (museum)
188:Jōmon period
139:35°44′40.1″N
124:Kantō region
579:Kita, Tokyo
407:Oku Station
376:aquaculture
326:of Japan.
154: /
130:Coordinates
568:Categories
470:References
294:material,
194:Site notes
494:11 August
331:Tokyo Bay
308:artifacts
292:botanical
246:, in the
428:See also
394:北区飛鳥山博物館
352:Hamaguri
316:features
312:ecofacts
273:Overview
106:Location
520:. 学生社.
420:on the
409:on the
304:lithics
284:middens
186:middle
183:Periods
178:History
524:
484:"中里貝塚"
300:sherds
238:is an
172:midden
170:shell
120:Region
354:clams
320:diets
252:Japan
114:Japan
522:ISBN
496:2020
310:and
288:bone
227:中里貝塚
219:The
167:Type
26:中里貝塚
416:or
265:to
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411:JR
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