Ishiyama Shell Mound

Japanese: 石山貝塚 - いしやまかいづか
Ishiyama Shell Mound

This early Jomon freshwater shell mound is located in a small park on the right bank of the Setagawa River in Ishiyama Terabe-cho, Otsu City, Shiga Prefecture. It was discovered in 1940 (Showa 15) and has been excavated several times since. The shells of the Seta Corbiculatus clam, which still live in abundance around the outlet of the Setagawa River from Lake Biwa, make up the majority of the shells. There are very few shell mounds facing inland lakes and marshes in Japan, and this is the only one on the shore of Lake Biwa. The shell layer stretches along the riverbank for about 50 meters north to south and 20 meters east to west, and is about 2 meters thick at its thickest point. It is one of the larger inland shell mounds and early Jomon shell mounds, and has unearthed many valuable artifacts from the late Jomon period, including several types of pottery from the late early period, five buried human skeletons, and ornaments made from shells and antlers.

[Esaka Teruya]

Ishiyama Shell Mound
Otsu City, Shiga Prefecture © Shiga Prefecture

Ishiyama Shell Mound


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

滋賀県大津市石山寺辺町(いしやまてらべちょう)、瀬田川(せたがわ)右岸の小公園内にある縄文早期の淡水貝塚。1940年(昭和15)発見、数次の発掘調査が行われた。琵琶(びわ)湖から瀬田川流出口付近に今日でも多量に生息するセタシジミの貝殻が過半を占める。日本では内陸の湖沼地帯に面する貝塚はきわめて少なく、琵琶湖岸でもこの遺跡が唯一のものである。貝層は河岸に沿って南北約50メートル、東西20メートルの範囲にあり、もっとも厚い部分で約2メートルあった。内陸部の貝塚として、また、縄文早期の貝塚として規模の大きいほうであり、早期末の数形式の土器とともに、埋葬人骨5体、貝製、鹿角(ろっかく)製の装身具など、早期末の貴重な遺物が多数出土している。

[江坂輝彌]

石山貝塚
滋賀県大津市©滋賀県">

石山貝塚


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