Miikedaira Tomb - Miikedaira Tomb

It is an early-style keyhole-shaped tumulus located in Hara-aza Miike, Ihara-cho, Shimizu-ku, Shizuoka City. It is located at the top of a hill at an altitude of 55 meters overlooking the plains, and the shape of the tumulus has changed considerably due to the presence of an orchard. It is 65 meters long, and external facilities include roofing stones and jar-shaped clay figures. Excavations were carried out jointly by Meiji University and Shizuoka University in 1958 (Showa 33). The internal structure consisted of a 2.4-meter-long split-bamboo-shaped stone sarcophagus at right angles to the main axis at the rear of the circular mound, and a 5-meter-long pit-style stone chamber covered by stone slabs. The inside of the sarcophagus was painted with vermilion vermilion, and at the bottom of the coffin were the remains of an adult male, along with one each of a magatama (comma-shaped jewel), a tubular bead, small beads, a wheel stone, and a stone bracelet. In the two spaces to the north and south of the stone chamber and the sarcophagus, two mirrors including a square four-deity mirror, two cylindrical bronze objects, four scallop-shell shaped stone products, a spindle-wheel shaped stone product, 25 iron farming tools, 19 iron swords, and approximately 100 iron arrowheads were buried as grave goods. Seven iron swords were also placed on the top of the sarcophagus lid. This is a representative Early Kofun tomb in the Ihara region in eastern Shizuoka Prefecture, and was built in the latter half of the 4th century.

[Hatsue Otsuka]

"Miikedaira Kofun by Akira Naito and Hatsushige Otsuka (1961, Ihara Village Board of Education)"

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

静岡市清水(しみず)区庵原町(いはらちょう)・原字三池にある前期形式の前方後円墳。平野を望む標高55メートルの丘陵上突端に立地し、果樹園のために墳丘の形態はかなり変化している。全長65メートル、外部施設として葺石(ふきいし)、壺形埴輪(つぼがたはにわ)が存在する。1958年（昭和33）に明治大学・静岡大学共同で発掘調査が行われた。内部構造は、後円部に主軸と直交した全長2.4メートルの割竹(わりだけ)形石棺と、石棺を被覆する板石小口(こぐち)積みの長さ5メートルの竪穴(たてあな)式石室であった。石棺内面には水銀朱が塗られ、棺身底面に成人男性の遺骸(いがい)1体と、勾玉(まがたま)、管玉(くだたま)、小玉と車輪石、石釧(いしくしろ)各1個が存在した。石室と石棺との南北の2空間には、方格四神鏡(ほうかくししんきょう)を含む鏡2、筒形銅器2、帆立貝(ほたてがい)形石製品4、紡錘(ぼうすい)車形石製品と鉄製農工具25、鉄刀剣19、鉄鏃(てつぞく)約100が副葬されていた。また石棺蓋の上面に鉄刀剣7が置いてあった。静岡県東部の庵原地方の代表的前期古墳で4世紀後半代の築造。

［大塚初重］

『内藤晃・大塚初重著『三池平古墳』（1961・庵原村教育委員会）』

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