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Tsukuriyama Kofun – Newly uncovered moat bolsters identification

14 Jan

Tsukuriyama Kofun 造山古墳, located in Okayama city, Okayama prefecture, is a zenpoukouenfun 前方後円墳 measuring approximately 350 meters in total length and dating to the early 5th century; it is the fourth largest kofun in Japan.

Okayama University announced on March 17, 2010, that the remains of a moat surrounding the tumulus had been uncovered. The find is drawing considerable attention as it not only confirms that the chieftain of the area now Okayama — the ancient kingdom of Kibi (吉備地方) — held comparable power as the Kinki Great King, but also built its giant tombs in roughly the same manner. The kingdom of Kibi, which centered on the current Okayama, possessed a distinct culture from the nearby Yamato dynasts and remained highly independent during the Yayoi and early Kofun periods.

During an investigation of the kouenbu (後円部), the rounded rear of the tomb’s keyhole shape, the remains of a dirt embankment were discovered.

(Picture source)

Measuring only 0.35 meters in height, it is nothing more than a path through the rice fields that populate the area. When the tomb was first constructed, however, it was most likely much taller. Judging from the distance from the tomb to the embankment, the moat is estimated to have been around 20 meters wide.

Until this definitive find, debate over its existence had troubled archaeologists for the past fifty years.

岡山の造山古墳で周濠確認、大王クラス裏付け
2010.3.17 19:45
岡山市にある前方後円墳で、全国4番目の墳丘規模の造山古墳(5世紀前半、全長約350メートル)で周濠跡が確認され、17日、岡山大が発表した。
吉備地方を支配した王の墓とされる造山古墳が近畿の天皇陵と同じように築造され、大王家と肩を並べる力を持っていたことを示す発見として注目されそうだ。
岡山大によると、後円部付近の調査区で、山の土を盛り上げた堤を確認。堤の高さは0・35メートルだったが、築造時はもっと高かった可能性が高いという。墳丘と堤との距離から周濠の幅は約20メートルあったと推測される。
周濠の有無をめぐっては約半世紀にわたり意見が分かれていた。
現地説明会は20日午後1時から。

http://sankei.jp.msn.com/culture/academic/100317/acd1003171946004-n1.htm

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Posted by on January 14, 2011 in Uncategorized

 

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